Re: [PHP-DEV] PHP web farms (i.e. why msession or something like it)
[EMAIL PROTECTED] wrote: At 10:20 25/05/2002 -0400, [EMAIL PROTECTED] wrote: Marginalizing this capability IMHO is not the right direction, I think there should, in fact, be a stronger push for this sort of capability to be built in by default. Agree with that too... but if something like this should be mainstream, all components should in be in the PHP source tree, including the daemon. I personally think the best solution would be something like the postgresql session extension, except generalized to work with any (or at least several) databases. Built-in MySQL session support is definitely needed. Right now I don't run any web farms, but I used to work for a company with 125+ web servers, so I understand the problem. Steve Meyers -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] CVS Account Request: archiweb
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Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to bepassed by reference]
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion, it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only variables can be
passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if (EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR, Cannot pass
parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
NEXT_OPCODE();
}
- zend_error(E_ERROR, Only variables can be
passed by reference);
+ /* Should only occur with an uninitialized
variable */
+ goto send_by_var;
}
NEXT_OPCODE();
case ZEND_SEND_VAR:
--
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Re: [PHP-DEV] PHP linux binary and Super global variables
Stig S. Bakken wrote:
Are you sure that it is in fact the CGI binary you are using? The CLI
version of PHP will not register these variables.
I have php 4.2.1 binary installed as CLI and $_SERVER is registered.
[asterix@apenguin asterix]$ php -v
4.2.1
[asterix@apenguin asterix]$ php -r 'var_dump(PHP_SAPI);'
string(3) cli
[asterix@apenguin asterix]$ php -r 'var_dump($_SERVER);' | head
array(32) {
[PWD]=
string(13) /home/asterix
[XAUTHORITY]=
string(25) /home/asterix/.Xauthority
[KONSOLE_DCOP]=
string(29) DCOPRef(konsole-1482,konsole)
[GS_LIB]=
string(30) /home/asterix/.kde/share/fonts
[HOSTNAME]=
[asterix@apenguin asterix]$
--
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Unix IS user friendly. It's just selective about who its friends are
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Re: [PHP-DEV] PHP web farms (i.e. why msession or something like it)
[EMAIL PROTECTED] wrote: At 10:20 25/05/2002 -0400, [EMAIL PROTECTED] wrote: Marginalizing this capability IMHO is not the right direction, I think there should, in fact, be a stronger push for this sort of capability to be built in by default. Agree with that too... but if something like this should be mainstream, all components should in be in the PHP source tree, including the daemon. I personally think the best solution would be something like the postgresql session extension, except generalized to work with any (or at least several) databases. Built-in MySQL session support is definitely needed. The problem with using databases are they they are expensive and they are slow. A generalized PostgreSQL session manager would be cool, I have actually been thinking about such an extension. Using the schema from the PG msession plugin, it would be fairly easy. Alas, the problems with PostgreSQL as a session manager are many. MySQL is just as bad, but for different reasons. :-) It is because the databases fall flat as session managers that I wrote msession in the first place. Right now I don't run any web farms, but I used to work for a company with 125+ web servers, so I understand the problem. 125??!! All serving the same content? All maintaining a coherent environment? What did you use for session data? -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Client socket
Hi,
Continuing with the problem that I've been having...
I made changes to the php_apache.c file and added a new php function of
my own, which is supposed to return the client socket when called from a
php script. Here is the code for the function -
---
/* {{{ proto int apache_client_socket()
Get the client socket */
PHP_FUNCTION(apache_client_socket)
{
RETURN_LONG(((request_rec
*)SG(server_context))-connection-client-fd);
}
---
I recompiled php and made a module out of it. Worked perfectly. Now, I
wrote a php script with the following code -
---
?
echo apache_client_socket();
?
---
This script I call from the browser, and everytime it displays a '3'. I
even called it from different browser windows, still the same.
That cant be alright since if the fd is 3 as shown in one browser
window, it has to be something different in the other window since the
browser defaults to a keep-alive connection, and the fd's have to be
different.
I'll would tell you why I need the socket, but I've described it so many
times that I'm gonna die :( I'll forward you a mail if you are really
interested.
Tx,
Vinod.
---
Vinod Panicker [EMAIL PROTECTED]
Sr. Software Designer
Geodesic Information Systems Ltd.
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Re: [PHP-DEV] SOAP, XMLRPC and WSDL
As phpsuft said Brad Lafountain is working on the php_soap module. I'm writing my bachelor thesis on its basis and I can say that it is quite stable for alpha(Brad says it is alpha). I have not tested interoperability with other SOAP enoviroments but PHP to PHP is working very well. I had problems when wanted to transfer Cyrilic text from the server to the client - the communication fails. Also there is a problem with oupt buffering - if the programmer does not close every ob_start() the module crashes. This is because Brad wants to suppress any output from the script and does this by using ob_start() ob_end_clean() in the module space. The speed is not bad. I've tested a simple Hello World examples and the result is thata php_SOAP is 3 times faster than XMLRPC extension and many many times than SOAPx4 now called NuSOAP (of course it is in the user space). If the service method is fast than most of the time is spent in the Zend part - compiling the PHP. I've tested my sources and can say that it tooks Zend to start presence.php 15 and the time to enter in the method is 16ms - so 1ms to process the request. Best regards, Andrey Hristov - Original Message - From: Lukas Smith [EMAIL PROTECTED] To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, May 23, 2002 4:57 PM Subject: [PHP-DEV] SOAP, XMLRPC and WSDL Aloha, What is the current status in terms of SOAP, XMLRPC and WSDL in php? How mature are the solutions? When will they be ready for primetime? Does anyone already use them in production (that can be used to show off how great the support is) or are there any other prominent examples? (I know the pear installer uses XMLRPC and Sebastian did something with Googles Webservices) I think getting a status on this might be of general interest, but if you don't feel so you can send an email to me directly. The reason I am asking is because a while back I used a Java Tool for a presentation. I later talked to some of the developers via mail and they asked me to keep them posted on the development inside PHP. Best regards, Lukas Smith [EMAIL PROTECTED] ___ DybNet Internet Solutions GbR Reuchlinstr. 10-11 Gebäude 4 1.OG Raum 6 (4.1.6) 10553 Berlin Germany Tel. : +49 30 83 22 50 00 Fax : +49 30 83 22 50 07 www.dybnet.de [EMAIL PROTECTED] -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Re: Client socket
Since apache is multi-processed rather than multi-threaded, I'd imagine that
you're getting the same socket file descriptor since each new connection
means a new fork of httpd, resulting in three file descriptors by the time
you get to what you're doing.
Are you trying to get ahold of the socket/port number itself? Or connect to
the actual socket?
J
Vinod Panicker wrote:
Hi,
Continuing with the problem that I've been having...
I made changes to the php_apache.c file and added a new php function of
my own, which is supposed to return the client socket when called from a
php script. Here is the code for the function -
---
/* {{{ proto int apache_client_socket()
Get the client socket */
PHP_FUNCTION(apache_client_socket)
{
RETURN_LONG(((request_rec
*)SG(server_context))-connection-client-fd);
}
---
I recompiled php and made a module out of it. Worked perfectly. Now, I
wrote a php script with the following code -
---
?
echo apache_client_socket();
?
---
This script I call from the browser, and everytime it displays a '3'. I
even called it from different browser windows, still the same.
That cant be alright since if the fd is 3 as shown in one browser
window, it has to be something different in the other window since the
browser defaults to a keep-alive connection, and the fd's have to be
different.
I'll would tell you why I need the socket, but I've described it so many
times that I'm gonna die :( I'll forward you a mail if you are really
interested.
Tx,
Vinod.
---
Vinod Panicker [EMAIL PROTECTED]
Sr. Software Designer
Geodesic Information Systems Ltd.
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[PHP-DEV] CVS Account Request: surfmax
I should like to participate of the manual Pt_BR translation. I want have acess the PHP-doc, PHP_pt_BR, and other directories necessary for to do translation. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion, it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
NEXT_OPCODE();
}
- zend_error(E_ERROR, Only
variables can be passed by reference);
+ /* Should only occur with an
uninitialized variable */
+ goto send_by_var;
}
NEXT_OPCODE();
case ZEND_SEND_VAR:
--
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Re: [PHP-DEV] PHP web farms (i.e. why msession or something like it)
[EMAIL PROTECTED] wrote: The problem with using databases are they they are expensive and they are slow. A generalized PostgreSQL session manager would be cool, I have actually been thinking about such an extension. Using the schema from the PG msession plugin, it would be fairly easy. Alas, the problems with PostgreSQL as a session manager are many. MySQL is just as bad, but for different reasons. :-) It is because the databases fall flat as session managers that I wrote msession in the first place. I agree that msession is better than using MySQL or PostgreSQL as a session manager. However, most people who use PHP on web farms already have some sort of database set up, so it seems logical to me to be able to use it for storing sessions. MySQL actually isn't too bad, as long as you use HASH (in-memory) tables. Right now I don't run any web farms, but I used to work for a company with 125+ web servers, so I understand the problem. 125??!! All serving the same content? All maintaining a coherent environment? What did you use for session data? MySQL. They weren't all serving the same content, but almost all of them were sharing a session. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]
the problem is that if you define some function :
function someFunc(myParam) {
...
}
then you can call :
someFunc($someVar);
but not :
define(MY_CONSTANT, 0);
someFunc(MY_CONSTANT);
the goal is not to pass a constant by reference, but to be allowed to
(exceptionnaly) pass a constant as a parameter to a function that was
designed to receive parameters by reference.
and this could also let people define default values for params and still
have them passed by reference ...
-Original Message-
From: Andi Gutmans [mailto:[EMAIL PROTECTED]]
Sent: mercredi 29 mai 2002 17:26
To: Stig S. Bakken; Jason T. Greene
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH]
Allow constants / expressions to be passed by reference]
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion,
it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the
ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference
parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input
must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
NEXT_OPCODE();
}
- zend_error(E_ERROR, Only
variables can be passed by reference);
+ /* Should only occur with an
Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]
I have ran into this limitation too
or something like
foo();
or
foo($bar);
function foo($bar = null)
{
}
--- Andi Gutmans [EMAIL PROTECTED] wrote:
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion, it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
NEXT_OPCODE();
}
- zend_error(E_ERROR, Only
variables can be passed by reference);
+ /* Should only occur with an
uninitialized variable */
+ goto send_by_var;
}
NEXT_OPCODE();
case ZEND_SEND_VAR:
--
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Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allowconstants / expressions to be passed by reference]
Andi Gutmans wrote: I don't see any reason to allow passing non-variables by reference. It is semantically incorrect. +1 -- Sebastian Bergmann http://sebastian-bergmann.de/ http://phpOpenTracker.de/ Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/ -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]
brad lafountain wrote:
function foo($bar = null)
{
}
This has already been fixed for the Zend Engine 2:
* Parameters that are passed by reference to a function
may now have default values.
Example:
?php
function my_function($var = null) {
if ($var === null) {
die('$var needs to have a value');
}
}
?
(Source: /ZendEngine2/ZEND_CHANGES)
--
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http://sebastian-bergmann.de/ http://phpOpenTracker.de/
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[PHP-DEV] Question about print_r
Hi all, Does anyone know any problem related to print_r($foo) if $foo is a resource, I'm developing a module where a function returns a resource, that is then used by other functions, if I use a print_r($resource) in the middle things change. I'm starting to think that print_r changes the resource in some way, do you know if this might be right? Garland. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.362 / Virus Database: 199 - Release Date: 5/16/02
Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH]Allow constants / expressions to be passed by reference]
Andi,
I do not see how this is semantically incorrect, or how it is that much
different than allowing default values for pass by reference arguments.
IMO The only useful reason to deny passing a constant/expression in a
function is to provide a warning message. Some of the problems I
outlined in my post can be solved using default values(only using ZE2,
which allows defaults on reference args); however, default values only
solve rightmost optional parameters. i.e. there is no way to do:
function a($arg1, $arg2=blah, $arg3=blah){}
a(1, ,3)
In respect to not passing by reference, this problem is solved by doing
the following
function magic_function($var1, $var2, $var3) {
// Note just an example - I would usually use func_get_args...
if ($var2 === NULL) {
$var2 = blah;
}
}
magic_function(1, NULL, 3);
This technique of course will not work with the current semantics of not
allowing constants/expressions to pass by reference.
-Jason
On Wed, 2002-05-29 at 10:26, Andi Gutmans wrote:
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion, it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
[Fwd: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]]
Hamster ate my mail? Resent, just in case.
Sebastian Bergmann wrote:
brad lafountain wrote:
function foo($bar = null)
{
}
This has already been fixed for the Zend Engine 2:
* Parameters that are passed by reference to a function
may now have default values.
Example:
?php
function my_function($var = null) {
if ($var === null) {
die('$var needs to have a value');
}
}
?
(Source: /ZendEngine2/ZEND_CHANGES)
--
Sebastian Bergmann
http://sebastian-bergmann.de/ http://phpOpenTracker.de/
Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/
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Re: [Fwd: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT][PATCH] Allow constants / expressions to be passed by reference]]
Yes and as I said in my argument, this solves some of the problems but
does not solve a non-rightmost parameter being optional.
-Jason
On Wed, 2002-05-29 at 11:43, Sebastian Bergmann wrote:
Hamster ate my mail? Resent, just in case.
Sebastian Bergmann wrote:
brad lafountain wrote:
function foo($bar = null)
{
}
This has already been fixed for the Zend Engine 2:
* Parameters that are passed by reference to a function
may now have default values.
Example:
?php
function my_function($var = null) {
if ($var === null) {
die('$var needs to have a value');
}
}
?
(Source: /ZendEngine2/ZEND_CHANGES)
--
Sebastian Bergmann
http://sebastian-bergmann.de/ http://phpOpenTracker.de/
Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/
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Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allowconstants / expressions to be passed by reference]
Even if it is semantically incorrect( which I disagree.) How is allowing a constant/expression to be passed by reference more semantically incorrect than allowing a default (which is a constant) on a pass by reference argument? -Jason On Wed, 2002-05-29 at 10:53, Sebastian Bergmann wrote: Andi Gutmans wrote: I don't see any reason to allow passing non-variables by reference. It is semantically incorrect. +1 -- Sebastian Bergmann http://sebastian-bergmann.de/ http://phpOpenTracker.de/ Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/ -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] bundling libxml2 / bundling locations
Hello all, It was mentioned before about bundling libxml2 with php with expat or instead of expat. Where do we stand with this? I emailed the developer asking permission to bundle it if we choose to do it (no response yet). Also I remember reading on here before someone suggested putting bundled libaries in a common place so many extensions can use the bundled software. Is this something we want to persue too? php4/bundled/libxml2 php4/bundled/mysql php4/bundled/gd you get the point.. This will be usefull if i am writing an extension that maybe does database replication (just a stupid sample) and i want to create nice graphics for my stastics i can just write some gd code and link against the bundled libary. - Brad __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
On Wed, 29 May 2002, brad lafountain wrote: Hello all, It was mentioned before about bundling libxml2 with php with expat or instead of expat. Where do we stand with this? I emailed the developer asking permission to bundle it if we choose to do it (no response yet). öhm, libxml2 is a relatively huge project with a fast developement cycle.. I don't see the point in bundling that with php. It's actively maintained (not as for example gd), we don't need any patches to get it running and it comes with most (all?) distros (not installed by default everywhere, but it's available). And installation from source is also no pain at all... chregu -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. Build outta the box - Brad --- Christian Stocker [EMAIL PROTECTED] wrote: On Wed, 29 May 2002, brad lafountain wrote: Hello all, It was mentioned before about bundling libxml2 with php with expat or instead of expat. Where do we stand with this? I emailed the developer asking permission to bundle it if we choose to do it (no response yet). öhm, libxml2 is a relatively huge project with a fast developement cycle.. I don't see the point in bundling that with php. It's actively maintained (not as for example gd), we don't need any patches to get it running and it comes with most (all?) distros (not installed by default everywhere, but it's available). And installation from source is also no pain at all... chregu -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Re: [Zend Engine 2] RE: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV][RESENT] [PATCH] Allow constants / expressions to be passed by reference]
Ahh yes, I've been bitten by this limitation a few times, quite
agravating. I would definitly like to have this work.
Shane
phpsurf wrote:
the problem is that if you define some function :
function someFunc(myParam) {
...
}
then you can call :
someFunc($someVar);
but not :
define(MY_CONSTANT, 0);
someFunc(MY_CONSTANT);
the goal is not to pass a constant by reference, but to be allowed to
(exceptionnaly) pass a constant as a parameter to a function that was
designed to receive parameters by reference.
and this could also let people define default values for params and still
have them passed by reference ...
-Original Message-
From: Andi Gutmans [mailto:[EMAIL PROTECTED]]
Sent: mercredi 29 mai 2002 17:26
To: Stig S. Bakken; Jason T. Greene
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH]
Allow constants / expressions to be passed by reference]
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion,
it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the
ability to modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference
parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input
must be passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d by reference, EX(opline)-op2.u.opline_num);
- }
{
zval *valptr;
zval *value;
@@ -2329,7 +2325,8 @@
zend_ptr_stack_push(EG(argument_stack), varptr);
NEXT_OPCODE();
}
- zend_error(E_ERROR, Only
variables can be passed by reference);
+ /* Should only occur with an
uninitialized variable */
+ goto send_by_var;
}
Re: [PHP-DEV] bundling libxml2 / bundling locations
brad lafountain wrote: Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. I'd make it an optional download, because there are always people like me who have all the libraries already installed with their distro. People with non-deb distros or who are lacking skills with Linux but want to do it anyway would definately benefit from this. It would be for pure convinience, like all the precompiled libraries bundled with the Windows-download, gdlib is an entirely different matter. regards Wagner -- When did ignorance become a point of view? -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH] Allow constants / expressions to be passed by reference]
Okay I'll try and look at your patch in the next couple of days.
It's quite sensitive code which this changes (has harmless as it might
seem) so I need some time to read over it.
Andi
At 11:37 29/05/2002 -0500, Jason T. Greene wrote:
Andi,
I do not see how this is semantically incorrect, or how it is that much
different than allowing default values for pass by reference arguments.
IMO The only useful reason to deny passing a constant/expression in a
function is to provide a warning message. Some of the problems I
outlined in my post can be solved using default values(only using ZE2,
which allows defaults on reference args); however, default values only
solve rightmost optional parameters. i.e. there is no way to do:
function a($arg1, $arg2=blah, $arg3=blah){}
a(1, ,3)
In respect to not passing by reference, this problem is solved by doing
the following
function magic_function($var1, $var2, $var3) {
// Note just an example - I would usually use func_get_args...
if ($var2 === NULL) {
$var2 = blah;
}
}
magic_function(1, NULL, 3);
This technique of course will not work with the current semantics of not
allowing constants/expressions to pass by reference.
-Jason
On Wed, 2002-05-29 at 10:26, Andi Gutmans wrote:
I don't see any reason to allow passing non-variables by reference.
It is semantically incorrect.
Andi
At 09:40 29/05/2002 +0200, Stig S. Bakken wrote:
If this patch doesn't break anything, and it doesn't give us any
difficulties with ZE2 or major design issues, I'm +1.
- Stig
On Tue, 2002-05-28 at 21:12, Jason T. Greene wrote:
Due to this patch being sent during the msession discussion, it has not
been noticed, so I am resending.
-Jason
From: Jason Greene [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [PHP-DEV] [PATCH] Allow constants / expressions to be passed
by reference
Date: 25 May 2002 02:18:52 -0500
Problem
---
There are some scenarios where a function requires the ability to
modify
parameters that may also be optional. Optional parameters work well,
except in the scenario where all of the pass by reference
parameters can
be optional. ex the socket_select() function. Since select is
argument-result, all three arrays that are taken as input must be
passed
by reference, yet any can be excluded. So for example if you were
calling socket_select with a read socket array, a write socket array,
yet no exception array (quite common), you are currently forced to do
something like the following:
$wfds = array($sock1, $sock2);
$rfds = array($sock3, $sock4);
$null = NULL;
socket_select($rfds, $wfds, $null);
I have ran into this problem before several times while developing in
user space. (Especially when passing around semi-complex data
structures)
Proposed Solution
--
Allow all expressions to be passed by reference. This will allow
something like the following
function normalize($element_tree, $node_mapping, $max_depth){
//Code
}
normalize($my_tree, NULL, 25000);
Patch
--
I have attached a patch against ZE2 that accomplishes this.
Thanks,
-Jason
Index: zend_compile.c
===
RCS file: /repository/ZendEngine2/zend_compile.c,v
retrieving revision 1.285
diff -u -r1.285 zend_compile.c
--- zend_compile.c23 Apr 2002 18:06:53 - 1.285
+++ zend_compile.c25 May 2002 06:45:21 -
@@ -1271,7 +1271,7 @@
op = ZEND_SEND_REF;
break;
default:
- zend_error(E_COMPILE_ERROR, Only
variables can be passed by reference);
+ op = ZEND_SEND_VAR;
break;
}
}
Index: zend_execute.c
===
RCS file: /repository/ZendEngine2/zend_execute.c,v
retrieving revision 1.341
diff -u -r1.341 zend_execute.c
--- zend_execute.c8 May 2002 18:43:19 - 1.341
+++ zend_execute.c25 May 2002 06:45:25 -
@@ -2292,10 +2292,6 @@
NEXT_OPCODE();
}
case ZEND_SEND_VAL:
- if
(EX(opline)-extended_value==ZEND_DO_FCALL_BY_NAME
-
ARG_SHOULD_BE_SENT_BY_REF(EX(opline)-op2.u.opline_num, EX(fbc),
EX(fbc)-common.arg_types)) {
- zend_error(E_ERROR,
Cannot pass parameter %d
Re: [PHP-DEV] PHP web farms (i.e. why msession or something like it)
[EMAIL PROTECTED] wrote: The problem with using databases are they they are expensive and they are slow. A generalized PostgreSQL session manager would be cool, I have actually been thinking about such an extension. Using the schema from the PG msession plugin, it would be fairly easy. Alas, the problems with PostgreSQL as a session manager are many. MySQL is just as bad, but for different reasons. :-) It is because the databases fall flat as session managers that I wrote msession in the first place. I agree that msession is better than using MySQL or PostgreSQL as a session manager. However, most people who use PHP on web farms already have some sort of database set up, so it seems logical to me to be able to use it for storing sessions. MySQL actually isn't too bad, as long as you use HASH (in-memory) tables. That is where I disagree. At my last gig we used a combination of Oracle and PostgreSQL. The session management was a bigger Oracle hit than the rest of the site. It was horrible. It was partially some of this experience that encouraged me to do msession. The msession daemon can be setup on a backend box and completely forgotten. No table space worries, no query optimizaton. Right now I don't run any web farms, but I used to work for a company with 125+ web servers, so I understand the problem. 125??!! All serving the same content? All maintaining a coherent environment? What did you use for session data? MySQL. They weren't all serving the same content, but almost all of them were sharing a session. How many session transactions did you get per second? (i.e. select session data, update/insert session data) I would not suspect that MySQL could do this very well because it does not support NVCC and updates lock the entire table. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] PHP web farms (i.e. why msession or something like it)
[EMAIL PROTECTED] wrote: I agree that msession is better than using MySQL or PostgreSQL as a session manager. However, most people who use PHP on web farms already have some sort of database set up, so it seems logical to me to be able to use it for storing sessions. MySQL actually isn't too bad, as long as you use HASH (in-memory) tables. That is where I disagree. At my last gig we used a combination of Oracle and PostgreSQL. The session management was a bigger Oracle hit than the rest of the site. It was horrible. It was partially some of this experience that encouraged me to do msession. The msession daemon can be setup on a backend box and completely forgotten. No table space worries, no query optimizaton. Well, you didn't try it with MySQL, which is significantly faster than Oracle and Postgres for most stuff. In any case, I agree that msession is probably a better solution -- I just think that having built-in MySQL session support would be a good thing for PHP. MySQL. They weren't all serving the same content, but almost all of them were sharing a session. How many session transactions did you get per second? (i.e. select session data, update/insert session data) I would not suspect that MySQL could do this very well because it does not support NVCC and updates lock the entire table. I have no idea -- I do know that we never had any troubles with the box that had the session database on it. Incidentally, MySQL using InnoDB tables supports MVCC and row-level locking. However, I suspect that in this case the InnoDB tables would actually be slower than the table-locking MyISAM tables. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] Re: [Zend Engine 2] Re: [PHP-DEV] [RESENT] [PATCH]Allow constants / expressions to be passed by reference]
On Wed, 2002-05-29 at 13:53, Andi Gutmans wrote: Okay I'll try and look at your patch in the next couple of days. It's quite sensitive code which this changes (has harmless as it might seem) so I need some time to read over it. Thanks, I did test this very thoroughly. However, due to its possible far reaching effects, I would appreciate someone else taking their time on a careful review. I understand if it takes you awhile to get to it -Jason Andi -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] CVS Account Request: arzt
Helping you to translate parts of the php docu will be a good thing imho, so phpdoc would be a nice repository for me. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
Brad Lafountain wrote: Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? ext/xml/libxml2 ? Odd location, but domxml support without xml does not make much sense to me. -- Yasuo Ohgaki -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Fwd: Re: libxml2 - php
--- Daniel Veillard [EMAIL PROTECTED] wrote: Date: Wed, 29 May 2002 23:28:11 +0200 From: Daniel Veillard [EMAIL PROTECTED] To: brad lafountain [EMAIL PROTECTED] CC: [EMAIL PROTECTED] Subject: Re: libxml2 - php Reply-to: [EMAIL PROTECTED] On Wed, May 29, 2002 at 10:35:44AM -0700, brad lafountain wrote: Hello, I'm a developer for php. We were recently talking about bundling libxml2 with the php distribution. I'm not to sure about the licensing issues involved here but I figured I'd just ask you and get your permission. Let me know your thoughts/concerns. libxml2 is licenced under the MIT Licence, I honnestly don't think bundling would be a problem at that level. However on a practical basis it would be better that you use the existing shared library if libxml2 is already installed on the system rather than always including it in the PHP module/binary. Others Apache modules may use libxml2 too and sharing the same instance can make a big change. for maintainance too ! Daniel -- Daniel Veillard | Red Hat Network http://redhat.com/products/network/ [EMAIL PROTECTED] | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/ __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] Fwd: Re: libxml2 - php
Hello, as you see he also gave the good reasons why NOT bundling it with PHP for which I am too. - Markus On Wed, May 29, 2002 at 04:53:48PM -0700, brad lafountain wrote : --- Daniel Veillard [EMAIL PROTECTED] wrote: Date: Wed, 29 May 2002 23:28:11 +0200 From: Daniel Veillard [EMAIL PROTECTED] To: brad lafountain [EMAIL PROTECTED] CC: [EMAIL PROTECTED] Subject: Re: libxml2 - php Reply-to: [EMAIL PROTECTED] On Wed, May 29, 2002 at 10:35:44AM -0700, brad lafountain wrote: Hello, I'm a developer for php. We were recently talking about bundling libxml2 with the php distribution. I'm not to sure about the licensing issues involved here but I figured I'd just ask you and get your permission. Let me know your thoughts/concerns. libxml2 is licenced under the MIT Licence, I honnestly don't think bundling would be a problem at that level. However on a practical basis it would be better that you use the existing shared library if libxml2 is already installed on the system rather than always including it in the PHP module/binary. Others Apache modules may use libxml2 too and sharing the same instance can make a big change. for maintainance too ! Daniel -- Daniel Veillard | Red Hat Network http://redhat.com/products/network/ [EMAIL PROTECTED] | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/ __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php -- GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc Wishlist: http://guru.josefine.at/~mfischer/wishlist -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
On Thu, May 30, 2002 at 08:12:27AM +0900, Yasuo Ohgaki wrote : Brad Lafountain wrote: Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? -1 It's very actively developed. What is the reason of shared libraries if we don't use it?! GD is a completely different story. I even think it's not necessary to bundle libmysqlclient because it's really installed everywhere where mysql is available. - Markus -- GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc Wishlist: http://guru.josefine.at/~mfischer/wishlist -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
On Thu, May 30, 2002 at 09:58:31AM +0900, Yasuo Ohgaki wrote : Markus Fischer wrote: Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? -1 It's very actively developed. What is the reason of shared libraries if we don't use it?! GD is a completely different story. I even think it's not necessary to bundle libmysqlclient because it's really installed everywhere where mysql is available. I undstand libxml2 develpment is very active. That's the one of the reason why I prefer to bundle. For example, I have to build libxml RPM by myself to install PHP 4.3.0, since it requires too new libxml2 :( Just another RPM build, though. So? What is wrong with that?! I don't install compiler to servers just in case cracker got access to my boxes. I think most of us don't install compiler to servers. If we go with this paradigm we'ld have to bundle everything with PHP. Typically, administrators of such systems already live with that they have to rebuild and update packages. - Markus -- GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc Wishlist: http://guru.josefine.at/~mfischer/wishlist -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
Markus Fischer wrote: On Thu, May 30, 2002 at 09:58:31AM +0900, Yasuo Ohgaki wrote : Markus Fischer wrote: Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? -1 It's very actively developed. What is the reason of shared libraries if we don't use it?! GD is a completely different story. I even think it's not necessary to bundle libmysqlclient because it's really installed everywhere where mysql is available. I undstand libxml2 develpment is very active. That's the one of the reason why I prefer to bundle. For example, I have to build libxml RPM by myself to install PHP 4.3.0, since it requires too new libxml2 :( Just another RPM build, though. So? What is wrong with that?! Just a pain to install :) I don't install compiler to servers just in case cracker got access to my boxes. I think most of us don't install compiler to servers. If we go with this paradigm we'ld have to bundle everything with PHP. Typically, administrators of such systems already live with that they have to rebuild and update packages. Not really, we just need to bundle libs that may have conflicts. GD is one, and libxml2 is another. (libxml2 changes too frequently and PHP requires specific version including patch level release. I think we can remove expat bundle now.) Most of us here have not problems to create custom packages for ourselves. Just matter of ease of use. -- Yasuo Ohgaki __ Do You Yahoo!? Yahoo! BB is Broadband by Yahoo! http://bb.yahoo.co.jp/ -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
My point of view is domxml does require a newish version of libxml2. It't not going to hurt if we bundle that version with php. The configure script can even detect a version that is installed on the system. If its greater than the packaged one then it can use that one instead alsogive the user to overide the bundled libxml2 --enable-domxml=/path/to/new/xml. I really don't see any ill effects with bundling. We bundle for the people don't regulary upgrade software and we allow auto config/overriding for people that do. Why do you think that .net will do so good (becides m$ forcing it on us). They run one installer and bingo everything works. People will say its easy to setup. - Brad --- Markus Fischer [EMAIL PROTECTED] wrote: On Thu, May 30, 2002 at 08:12:27AM +0900, Yasuo Ohgaki wrote : Brad Lafountain wrote: Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? -1 It's very actively developed. What is the reason of shared libraries if we don't use it?! GD is a completely different story. I even think it's not necessary to bundle libmysqlclient because it's really installed everywhere where mysql is available. - Markus -- GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc Wishlist: http://guru.josefine.at/~mfischer/wishlist __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] PHP web farms (i.e. why msession or something likeit)
I agree. Though I know we want to stay well away from bundling anything unnecessary with a base PHP installation, more sophisticated session support seems well warranted, possibly even enough to extend the capabilities of PHP's current built-in session management *and* include msession in some way. Chris Steve Meyers wrote: Well, you didn't try it with MySQL, which is significantly faster than Oracle and Postgres for most stuff. In any case, I agree that msession is probably a better solution -- I just think that having built-in MySQL session support would be a good thing for PHP. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] PHP web farms (i.e. why msession or something likeit)
Steve Meyers wrote: Well, you didn't try it with MySQL, which is significantly faster than Oracle and Postgres for most stuff. In any case, I agree that msession is probably a better solution -- I just think that having built-in MySQL session support would be a good thing for PHP. You can easily port session pgsql for mysql. BTW, as far as my benchmarks on session pgsql and files handler, they are almost equal. I didn't benchmark in detail, but I doubt mysql could be much faster than PostgreSQL. Just my guess. -- Yasuo Ohgaki -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] PHP web farms (i.e. why msession or something like
Steve Meyers wrote: Well, you didn't try it with MySQL, which is significantly faster than Oracle and Postgres for most stuff. In any case, I agree that msession is probably a better solution -- I just think that having built-in MySQL session support would be a good thing for PHP. You can easily port session pgsql for mysql. BTW, as far as my benchmarks on session pgsql and files handler, they are almost equal. I didn't benchmark in detail, but I doubt mysql could be much faster than PostgreSQL. Just my guess. MySQL's table locking during update pretty much make sure that performance will degrade under heavy load with many connections. PostgreSQL has a different problem. It doesn't lock the table except when you perform vacuum. Instead of locking, for updates, PostgreSQL simply adds a new row to the table. For every update a session value gets, a new physical tuple is added. If you have an active site, the table space grows to some number times the number of sessions times the size of your session data. In a database, each session update will incur (at a minimum) an fsync() call. -- Yasuo Ohgaki -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] PHP web farms (i.e. why msession or something like
[EMAIL PROTECTED] wrote: MySQL's table locking during update pretty much make sure that performance will degrade under heavy load with many connections. It's not actually as bad as you think. With a table like this, the table locking actually has a very minimal effect on it. In any case, I'm not arguing that using a database would perform better than using msession. I'm simply arguing that it would be good to have the built-in session management support databases. It might also be advantageous to add msession support to the core session support. I think my position on msession is misunderstood. Of course *I* like it because *I* wrote it, however, if I had it to do over again, I probably wouldn't do it the way I did, and I would have more reservations about submiting it to the group. Participation in this group has certainly been a mixed bag. When all is said and done, the reason I wrote msession still exists. There is a need for something which links multiple PHP systems together. Databases incur a disk I/O, the same as the file based session module, so maximums are controled by the disk subsystem. Msession is most similar to the mod_mm session manager, it has no disk I/O, although it does have network I/O latency. I don't know what *the* answer is. I have contributed msession as *an* answer. Idealy, there would be a mod_net which performs similarly to the session extension portion of msession. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Dynamically loaded extensions and PHP sessions
Is it possible to configure the PHP session system to use a dynamically loaded session manager? I am loading the extension, but the session extension seems to try to initialize itself prior to the dynamic extension being loaded. -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Re: Dynamically loaded extensions and PHP sessions
[EMAIL PROTECTED] wrote: Is it possible to configure the PHP session system to use a dynamically loaded session manager? I am loading the extension, but the session extension seems to try to initialize itself prior to the dynamic extension being loaded. This is the one of the main reason why I insisted session_pgsql should be in php4 source tree at first. We need smart ini parser/module loader to address this issue. -- Yasuo Ohgaki -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DEV] bundling libxml2 / bundling locations
I think that XML is a core technology and giving plugplay access to our users is important. Having bundled the MySQL library made it easier for people to get started with MySQL. Does that mean I think every library should be bundled with PHP? No, I don't. But if libxml2 is a moving target and it's hard to stay in sync then it certainly sounds beneficial to take away this headache from our users. It also means that other XML based extensions could use it by default. Of course it also depends how big it is. If we can strip it down a lot I'd be a +1. If it'd add 1 MB to our .tar.gz I would be against. Andi At 18:35 29/05/2002 -0700, brad lafountain wrote: My point of view is domxml does require a newish version of libxml2. It't not going to hurt if we bundle that version with php. The configure script can even detect a version that is installed on the system. If its greater than the packaged one then it can use that one instead alsogive the user to overide the bundled libxml2 --enable-domxml=/path/to/new/xml. I really don't see any ill effects with bundling. We bundle for the people don't regulary upgrade software and we allow auto config/overriding for people that do. Why do you think that .net will do so good (becides m$ forcing it on us). They run one installer and bingo everything works. People will say its easy to setup. - Brad --- Markus Fischer [EMAIL PROTECTED] wrote: On Thu, May 30, 2002 at 08:12:27AM +0900, Yasuo Ohgaki wrote : Brad Lafountain wrote: Ok, But take ext/domxml it requires a newerversion of libxml2. I didn't have it installed on my machine when i installed php. If we bundle say a specfic version of libxml2 that domxml depends on, then it won't matter how fast pased the development is, ext/domxml won't use it. We can obvisouly peridocially upgrade the version that is bundled and you can have an override if you want to use a different version that is installed on a system. As xml gets more and more popular i feel that domxml will be more and more popular. Build outta the box +1 for libxml2 bundle. This already discussed, isn't this? -1 It's very actively developed. What is the reason of shared libraries if we don't use it?! GD is a completely different story. I even think it's not necessary to bundle libmysqlclient because it's really installed everywhere where mysql is available. - Markus -- GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc Wishlist: http://guru.josefine.at/~mfischer/wishlist __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] Unified XML Extension
I think the best solution would be to do what Sterling proposes in http://bumblebury.com/phptodo/xmsl.html. -- Sebastian Bergmann http://sebastian-bergmann.de/ http://phpOpenTracker.de/ Did I help you? Consider a gift: http://wishlist.sebastian-bergmann.de/ -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DEV] Re: Client socket
Makes sense. Dunno why it didn't occur to me before - the '3' says it
all.
I need the actual socket - which when written to will send data to the
client. Is it there in the request_rec structure?
Or can I get it some other way?
Tx,
Vinod.
---
Vinod Panicker [EMAIL PROTECTED]
Sr. Software Designer
Geodesic Information Systems Ltd.
-Original Message-
From: J Smith [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 29, 2002 8:13 PM
To: [EMAIL PROTECTED]
Subject: [PHP-DEV] Re: Client socket
Since apache is multi-processed rather than multi-threaded, I'd imagine
that
you're getting the same socket file descriptor since each new connection
means a new fork of httpd, resulting in three file descriptors by the
time
you get to what you're doing.
Are you trying to get ahold of the socket/port number itself? Or connect
to
the actual socket?
J
Vinod Panicker wrote:
Hi,
Continuing with the problem that I've been having...
I made changes to the php_apache.c file and added a new php function
of my own, which is supposed to return the client socket when called
from a php script. Here is the code for the function -
---
/* {{{ proto int apache_client_socket()
Get the client socket */
PHP_FUNCTION(apache_client_socket)
{
RETURN_LONG(((request_rec
*)SG(server_context))-connection-client-fd);
}
---
I recompiled php and made a module out of it. Worked perfectly. Now,
I wrote a php script with the following code -
---
?
echo apache_client_socket();
?
---
This script I call from the browser, and everytime it displays a '3'.
I even called it from different browser windows, still the same.
That cant be alright since if the fd is 3 as shown in one browser
window, it has to be something different in the other window since the
browser defaults to a keep-alive connection, and the fd's have to be
different.
I'll would tell you why I need the socket, but I've described it so
many times that I'm gonna die :( I'll forward you a mail if you are
really interested.
Tx,
Vinod.
---
Vinod Panicker [EMAIL PROTECTED]
Sr. Software Designer
Geodesic Information Systems Ltd.
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Re: [PHP-DEV] Unified XML Extension
On Thu, 30 May 2002, Sebastian Bergmann wrote: I think the best solution would be to do what Sterling proposes in http://bumblebury.com/phptodo/xmsl.html. that sounds interesting :) The DOM-ZVAL Transformation is really a problem and gives us much headache in domxml with memleaks and all those nasty things... but i didn't look much into ZE2 until now, so can't comment on this object overloading stuff. libxml2 supports almost every technology mentioned on sterlings page (not sure about XInclude, but soon it will support xsl:schema for example as well) and a lot is already in ext/domxml (but maybe not in the best way...) chregu -- PHP Development Mailing List http://www.php.net/ To unsubscribe, visit: http://www.php.net/unsub.php
