[PHP-DEV] PHP compiler
After seeing the conversation on the PHP archive idea (having a PHP equivalent of a jar file), it reminded me of an idea I had a long time ago. Has anyone ever thought of writing a PHP compiler which would compile a PHP script into native machine code? If you have thought of it, what stopped you from building it? I would be highly interested in joining a team which wanted to push the limits of PHP by doing something like this. I think this is the next logical step in the PHP for anything and everything goal. Jeremy
RE: Re[4]: [PHP-DEV] PHP compiler
PS: I am one of the last people you should be complaining at about php isn't intended for that; perhaps you should study your PHP history before you make your next post. That is why I apologized if I came off rude. I snapped back without realizing who had actually made the post I was responding to. Jeremy -Original Message- From: Wez Furlong [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 11:11 AM To: Jeremy S. Johnstone Cc: [EMAIL PROTECTED] Subject: Re: Re[4]: [PHP-DEV] PHP compiler Damn, and I was just about to respond suggesting that you cancel your cvs account too ;-) It's easy to think that PHP can and should be applied to everything that you might want to do, ranging from your web pages to managing the power on your ACPI laptop and so on, but you do need to keep sight of the fact that PHP was designed for The Web Problem, and that The Web Problem will always be the primary focus of PHP. Anything that *really* doesn't fit with that just isn't going to get into the core. However, quite often, you can extend or otherwise modify PHP to suit your own needs - it is OpenSource after all. --Wez. - Original Message - From: Jeremy S. Johnstone [EMAIL PROTECTED] To: 'Wez Furlong' [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 4:54 PM Subject: RE: Re[4]: [PHP-DEV] PHP compiler I apologize if I sounded rude at all, it's just that I am sick of people telling me php isn't intended for that, when I come up with new ideas. I ask those same people what they think PHP is for, and inevitably I get some variation on LAMP. If PHP is only intended to ever be a web programming language and has no plans of branching out in the future, I think PHP is grossly limiting itself. Jeremy -Original Message- From: Jeremy S. Johnstone [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 10:42 AM To: 'Wez Furlong' Subject: RE: Re[4]: [PHP-DEV] PHP compiler Okay, so you want to arbitrarily limit PHP's use to simple web applications? With attitudes like this, maybe I should just cancel my CVS account at php.net and go join a Microsoft ASP team somewhere. If myself and other person who started the Java-alike thread want to discuss PHP having internal support for features such as this, I think we are well entitled to. Of course that doesn't mean the core programmers have to head our desires and actually allow it to be included, but it doesn't stop us from discussing the merits of such a solution. Jeremy -Original Message- From: Wez Furlong [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 10:30 AM To: Simeon Koptelov; [EMAIL PROTECTED] Subject: Re: Re[4]: [PHP-DEV] PHP compiler This isn't really an internals matter, and isn't going to happen in the core (for various reasons). It is something you can implement yourself using your own extension and the streams API. Can we please drop this thread (and related Java-alike threads) now and replace them with more technical issues actually related to the internals of PHP ? :-) --Wez. -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
RE: Re[2]: [PHP-DEV] PHP compiler
The only problem with that approach is that you have to distribute the php executable and your program is loaded using a command line similar to: Php -par someapp.par Instead of simply: ./someapp I know this is a small difference, but it makes a big difference when you are dealing with customers who are, how should I say this, not as computer savy as they should be. Jeremy -Original Message- From: Simeon Koptelov [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 10:37 AM To: [EMAIL PROTECTED] Subject: Re[2]: [PHP-DEV] PHP compiler Hello Jeremy, Wednesday, August 6, 2003, 8:16:49 PM, you wrote: JSJ No that is not what I meant. What I meant is so when you write an JSJ application using PHP-GTK you could distribute a single executable JSJ instead of the current method. Personally the current method JSJ doesn't bother me, but to a laymen user it is not what they are JSJ used to and causes issues. I am not looking for a speed improvement JSJ really, just a useability improvement for those who choose PHP is JSJ equally as suited to desktop applications as it is to web JSJ applications. JSJ Jeremy Then the jar-like archives is all that we really need :) And in web apps this will be very handy too. There's no need in PHP code compilation in this case -- you simply pack all package files and dirs in one archive using tar+bz2 or zip or something else. -- Best regards, Simeonmailto:[EMAIL PROTECTED] -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] [Proposal] Idea for Application level variables
I noticed something which you said, and forgive me if this part may be
obvious, but you mentioned across instances of applications? Do you mean
something like a shared memory between all web connections to the
server? One issue I could forsee if this is the case, what happens when
there is no connections to the server for an extended period of time
(extended being even as short as a few minutes)? Should PHP store this
superglobal's value indefinitely, or perform some type of garbage
collection? If PHP should clean up after itself, what criteria would you
expect to be followed for deciding if something is no longer useful? I
don't think you would want this criteria configurable in a ini setting
for example, because hosting companies all do something different. If a
developer were to use this feature, they would need a standardized
timeframe that the values would last. This is just a couple things I
think would need to be considered before implementing something like
this. If I am way out in left field, I apologize.
-Jeremy
-Original Message-
From: Davey [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 07, 2003 8:15 AM
To: [EMAIL PROTECTED]
Subject: Re: [PHP-DEV] [Proposal] Idea for Application level variables
Andrey,
// masv = my application shared vars. This is the name of the shared
var. // Only the first 4 chars are used to calculate memory address.
$_APPLICATION = new Shm_Protected_Var(masv, 1024 /*memory*/);
$_APPLICATION-start_section() var_dump($_APPLICATION-getVal());
$_APPLICATION-end_section();
This isn't quite as transparent as $_SESSION is and $_APPLICATION would
also not be a superglobal. What I would like to see at the end of this
is a $_APPLICATION variable (or $_APP? some poeple complained that
$_APPLICATION is too long) that behaves *exactly* like $_SESSION (in
assignment etc) except that its values are available not across
sessions but across applications and instances of applications.
- Davey
Andrey Hristov wrote:
Hi Davey,
I don't know whether this will be implemented in an extension but
there are sollutions in userland : to use sysvshm+sysvsem or shmop.
The sysvshm+sysvsem extension exposes the C api. I know for 2 wrappers
around this API to make the use of shared memory (and thus something
like application wide variables) easy to implement in userspace:
1)
http://www.php-tools.de/site.php?PHPSESSID=b4a4ab7142b7d3209c7eee976912
0cba
file=patMisc/shmc.xml
2)http://www.hristov.com/andrey/projects/php_stuff/shm.php.gz
The second one is written according to PEAR CS. It exposes 4 classes.
Shm_Protected_Var is what is needed to implement $_APPLICATION:
// masv = my application shared vars. This is the name of the shared
var. // Only the first 4 chars are used to calculate memory address.
$_APPLICATION = new Shm_Protected_Var(masv, 1024 /*memory*/);
$_APPLICATION-start_section() var_dump($_APPLICATION-getVal());
$_APPLICATION-end_section();
Regards,
Andrey
- Original Message -
From: Davey [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, August 07, 2003 3:36 PM
Subject: [PHP-DEV] [Proposal] Idea for Application level variables
Hey,
I'm quite new to this, so please don't shoot this down too harshly. If
I don't explain something clearly enough, please ask me.
Because Application variables are pretty much shared session
variables, I wonder if perhaps the session code can be modified to
handle these variables.
In userland, the implementation would be similar to sessions, and can
work on two levels, for a single file or for a group of files.
Userland usage examples:
// cross file (i.e. an entire website)
application_vars_start('my_website'); // my_website is used as the SID
$_APPLICATION['website_users'] += 1;
// single file
application_vars_start(); // uses filename based SID, see below
$_APPLICATION['page_users'] += 1;
I figured that by using the following in place of the user-input SID,
you can easily have page-wide application vars, and by using the arg
for
application_var_start() in the the place of
SG(request_info).path_translated you can have it across whatever you
like, problem is when you have multiple sites on the same server,
someone else might choose the same name
PHP_MD5_CTX context;
PHP_MD5Init(context);
PHP_MD5Update(context, SG(request_info).path_translated,
strlen(SG(request_info).path_translated));
PHP_MD5Final(key, context);
I don't know if this is clear enough, but in my head at least, it
seems a inexpensive solution to something PHP is (in some peoples
opinion) lacking. (Note: SRM seems like overkill just for this).
Another nice thing about this, as it'll be using the Session
infrastructure it could use the session handlers aswell (sqlite, mm
etc)
one problem that has been mentioned is multi-threaded situations, but
I would assume that either the current session code doesn't suffer
from this (and therefore neither will this) or that the session code
will need to be
RE: Re[4]: [PHP-DEV] PHP compiler
I apologize if I sounded rude at all, it's just that I am sick of people telling me php isn't intended for that, when I come up with new ideas. I ask those same people what they think PHP is for, and inevitably I get some variation on LAMP. If PHP is only intended to ever be a web programming language and has no plans of branching out in the future, I think PHP is grossly limiting itself. Jeremy -Original Message- From: Jeremy S. Johnstone [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 10:42 AM To: 'Wez Furlong' Subject: RE: Re[4]: [PHP-DEV] PHP compiler Okay, so you want to arbitrarily limit PHP's use to simple web applications? With attitudes like this, maybe I should just cancel my CVS account at php.net and go join a Microsoft ASP team somewhere. If myself and other person who started the Java-alike thread want to discuss PHP having internal support for features such as this, I think we are well entitled to. Of course that doesn't mean the core programmers have to head our desires and actually allow it to be included, but it doesn't stop us from discussing the merits of such a solution. Jeremy -Original Message- From: Wez Furlong [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 06, 2003 10:30 AM To: Simeon Koptelov; [EMAIL PROTECTED] Subject: Re: Re[4]: [PHP-DEV] PHP compiler This isn't really an internals matter, and isn't going to happen in the core (for various reasons). It is something you can implement yourself using your own extension and the streams API. Can we please drop this thread (and related Java-alike threads) now and replace them with more technical issues actually related to the internals of PHP ? :-) --Wez. -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] user contributed notes
I have been doing cleanups of the SNMP area over the past couple days. I am planning on bringing the documentation fully up to date with the source code. I also cleaned up some of the notes which had broken links or violated note policies. In regards to user notes, I am simply following the guidelines outlined in http://www.php.net/manual/howto/chapter-user-notes.html. -Jeremy -Original Message- From: Harrie Hazewinkel [mailto:[EMAIL PROTECTED] Sent: Monday, July 14, 2003 3:08 PM To: [EMAIL PROTECTED] Cc: Harrie Hazewinkel Subject: [PHP-DEV] user contributed notes Hi, Could someone explain what the purpose is of 'User Contributed Notes. I noticed some notes as part of snmpget.php which are not notes, but questions for help. http://www.php.net/manual/en/function.snmpget.php Not sure what to do with them, and if I can delete the questions?? regards, Harrie -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DEV] xml_set_element_handler and xml_parse
I am running into a strange problem which goes in direct opposition to what is said in the documentation. I need to know what is the correct behaviour before I update the documentation. Problem is this: With the function xml_set_element_handler, if you don't set an actual end element handler (you set it to or FALSE) the function xml_parse will return the following error: Xml_parse(): Unable to call handler () in /path/to/script on line ## The documentation explicitely states that If a handler function is set to an empty string, or FALSE, the handler in question is disabled. If I create a dummy function which actually does absolutely nothing and put it's name as the end element handler I do not get the above error message. Am I doing something wrong, is this a bug, or should I update the documentation for this function? PHP version: 4.3.2 XML expat version: 1.95.4 ,,, (Ô Ô) ===oOO==(_)==Ooo=== Jeremy Johnstone [EMAIL PROTECTED] .oooO Oooo. ==( )=( )== \ ( ) / \_) (_/ -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
