I'd still like some actual recommendations for a good book for
beginners.
My "PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide" has
already been mentioned by someone and gets good reviews. If you want
something more basic, I wrote "PHP for the World Wide Web: Visual
QuickStart G
I have been trying going thru the PHP manual to find if there are any
equivalent to the __contruct and __destruct in PHP 4, but I cannot
find any
solution for this part. I know it was introduced in PHP 5, but as
__sleep
and __wakeup exist in PHP 4 already I was hoping there is something
like
I'm currently writing the second edition of my PHP Advanced book and
need a technical reviewer. It is a paid job and some people think
it's interesting/looks good on a resume/etc. Obviously you'll need to
be an expert in PHP and pay close attention to detail. My definition
of "advanced" for
I'm thinking of getting an iBook for reasons not really to do with
webbing but really need to do occasional php/mysql stuff to
justify the expense. I believe that they all come with an Apache
testing server installed and wondered if anyone had any success
with getting php/mysql/phpMyAdmin
How do I clear out the POST variables, or the variables that I have
set from the POST variables, so that when the page is refreshed it
will not resubmit. I have tried unset() and have tried to set it
to and
empty value, but it doesn't seem to work.
You can clear out POST by doing this:
$_PO
I have a news page which is getting quite long now and I would like
to split
the news to two pages. Now I have one SQL query for all the rows
and I think
I could use LIMIT to limit the results but how to limit the results
for
example to 15 rows for page one and from 16 to the last on second
I need to check that user input text is less than 300 characters
long. How?
if (strlen($_POST['input']) < 300) { ...
You may want to also apply trim() to the input text to get rid of
extraneous white space at the beginning and end of the input.
Larry
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Does anyone of you know of a good forum that is easy to customize
and
supports sticky notes, user registration, bb code and stuff like
that?
I would suggest that Phorum (www.phorum.org) and phpBB
(www.phpbb.com) are the two biggies (written in PHP). Both have all
these features plus many
On Wed, November 9, 2005 6:54 pm, Joseph Szobody wrote:
*sigh* I'm a hardcore PHP programmer.. I've been using it for over
five years now, and would consider myself fairly advanced. I have
a project
where I'm being forced to do some ASP.NET development, which I've
never
touched. I need to le
Is there a way to fix ID sequence in a MySQL table using PHP?
Basically I have some tables with a lot of records, 1000 to 5000.
‘ID’ is
the Primary Key column in these tables, and at the time the code was
originally written, there weren’t much verification of data being
input
going on. Thus
I have shared my windows folder 'wwwroot' across the network but
when I
preview my .php file it connot find it because the specified php
folder on
the mac is http://127.0.0.1/~myname/Sites
Actually the folder is ~myname/Sites but the URL should just be
http://127.0.0.1/~myname You should n
> One of the fallacies in your argument is that the lack of an
official
> forum on php.net implies "such distaste for message boards". I don't
> have a big screen TV but I have anything but distaste for them!
Well, let me give you a different example. I don't have a TV at
all, even though I c
AFAIK, there are no "official" forums for PHP. Considering the fact
that PHP is a web development tool, such distaste for message
boards is ironic at the least. So why exactly there aren't any
forums on php.net?
One of the fallacies in your argument is that the lack of an official
forum o
mail($to, stripslashes($_POST["subject"]), wordwrap($_POST
["message"], 60), "From: $_POST["from"]\r\n");
and I get:
Parse error: parse error, unexpected '\"', expecting T_STRING or
T_VARIABLE or T_NUM_STRING in /www-html/emailer/index.html on line 41
The use of $var['index'] or $var["index"
I have windows XP sevice pack 1 and 2, PHPv5.0.5, Mysql v1. I am
working in web design. I am unable to connect to the mysql server.
Althought my php files running fine and my mysql server is also
running fine.
i) i had changed the php.ini-dist file to php.ini.
ii)i uncommented the extension
I'm trying to setcookie('username',$username,15552000) but on
subsequent pages $_COOKIE('username') is always null.
I verified that I'm setting it before any other output is sent to
the browser. I verified that $username does have some valid
contents. I also verified that the browsers I'm t
I'm trying to expand my understanding of PHP by looking at some pre-
built code modules. I don't fully understand the syntax "$site->Run
();" in the following code. Can someone offer a helpful explanation?
Run();
?>
The $site variable is an object, specifically an instance of the
CSite c
can you guys give the names of any schools/colleges that have formal
programs to teach web development/security applications.
I was teaching one online through the University of California at
Berkeley. I'm no longer teaching it but my understanding is that
they'll be hiring a replacement and
The National Coalition for Dialogue and Deliberation (NCDD) is seeking
an independent contractor or company to perform some PHP and MySQL Web
development work. In simplest terms, the Web site is a MySQL-driven
content management system (CMS), written in PHP, running on a
Unix/Linux server. The
I might have asked this already but I am still ignorent ;-)
How to check if a same name file already exists in a upload directory
when
uploading new file?
Use the appropriately named file_exists() function.
L.
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Please can someone tell me how you pass arrays between PHP pages.
$var = serialize($testArray);
echo "";
Then unserialize the variable on the receiving page.
Larry
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Thanks for replying.
You're quite welcome.
If you want to see some results, regardless of the 50% threshold, use
the IN BOOLEAN MODE feature. Keep in mind, though, that in your case
any search will return either 0 or 700 results.
I dont want to do that as its only mysql 4.1+ compatable,
IN BOOLEAN
which means because I i getting a match for well over 50% of the
records...its disregarding it.
Yes, this is exactly the problem.
Now i am in two minds if i should use this or go back to the same old
dirty
way...of exploding the search and using LIKE '%%' for each word
FULLTEXT searches are great;
WORK WITH PHP FILES REMOTELY WITH NotePad ? YES/NO ?
I want to know if when be online I CAN OPEN A FILE FROM A WEB LOCATION
HOST - MINE and after I modify it save it again to my hosting space
WITHOUT save it to my PC first using NotePad and I mean entering the
host username&password when OPEN / SAV
Guys, this is trivial. It takes the same effort to provide the answer
to
whoever this guy was, than to lecture him on how to think.
"Teach a person to fish ..."
That's a good and true adage and certainly a philosophy to be put forth
by this list. But, the question is, does an answer of "Yes" teac
While "Yes" may be a technically accurate answer to a question like
"Can I ..." or "Can anyone ...", a couple of points must be
acknowledged:
1) Such an answer doesn't help the original poster. Period. And the
purpose of a resource like this is to help, right? Even a "RTFM" or
"search Google"
if i have for example this variable
$name = "John";
how can i echo the first letter only so the result on the browser will
be "J"
echo $name[0];
You could also use the substr() function.
Larry
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Is there any way of getting the clients screenheight in PHP? (or do I
have
to do it in Javascript)
You have to do it with JavaScript.
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err i mean ... an 'or' statement sry
is there an 'and' statement for mysql, when you are doing multiple
"where"s?
MySQL allows SQL statements that support both AND and OR. With OR, you
can often use IN instead.
SELECT columns FROM tablename WHERE (condition1) AND (condition2)...
All of this is
Hi there - I was wondering if anyone could point me in the right
direction to be able to add data to two different tables (I am using
mysql and php V4). I understand joins, etc for the query of the data,
however adding the data - still getting my head wrapped around it
(multiple tables).
You'll
In html, there is the alert() function that makes a popup with a ok
button.
Is there such a thing in php?
Actually, that's a JavaScript function. You can't do the same thing in
PHP although you can use PHP to create the JavaScript. Printing an
error message, like you already had, is probably a b
Yes of course...but was confused since some says it is so and some
says it
is not...So thought of asking the pros..
It is. PHP4 had limited support for OOP, though it was quite usable.
PHP5 goes further and provides pretty much everything else. See the
documentation on php.net for the complete lan
Is PHP an object oriented language. If not is it gonna be?
PHP is not an object oriented language (like Java). Although PHP
supports the creation of objects, you can still do pretty much
everything without ever using OOP. I can't imagine PHP ever being
turned into a true OO language, but I could
is there a function that gets the screen resolution of the user?
you can also reply directly to me... [EMAIL PROTECTED]
No, you cannot get the screen resolution using PHP. You must use
JavaScript.
Larry
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I am new to PHP and couldn't find any Globals for the User's Screen
Resolution. (don't laugh at me please)
I used to use a Javascript function to pass the resolution using
screen.width and screen.height.
What I am actually trying to do is make a page resize depending on
screen
resolution, in case
Hi guys, I just like to ask those using Macs here as to what editor
and/or
IDE they are using for writing PHP codes.
BBEdit is generally consider to be one of the best (note: I said "one
of the best", not "best", so let's not start about how emacs, vi, and
vim are better) text editors available
What is the best way to determine if a variable is empty?
I have a feeling there is a better way than the way I'm doing it now...
if ($variable == "")
You could try the empty() or isset() functions, depending upon exactly
what you're wanting to test. See the manual for descriptions of both.
Larry
How do I get an xml tag to work with a php script?
php is trying to parse that.
Either turn off the Short Tags setting in your php.ini file or have PHP
echo out that line.
Larry
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Does a book for complete beginners exist that also demonstrates basic
good programming practices, has decent examples, and perhaps
exercises/quizzes (not as important as the first two)?
The newest edition of my PHP for the World Wide Web: Visual QuickStart
Guide takes into account register globals
I've seen cases where extra buffer content gets added to the
downloaded file. The problem was fixed by deleting any existing
buffer before sending the file to the client. Not sure that will
solve the problem but it's worth a shot.
How does one delete an existing buffer? ob_end_flush();?
ob_end_
It appears as though some readers (such as adobe acrobat) can read
this file fine yet others (such as the program gv in *NIX) cannot read
it.
The reason for this is that somehow a hex 0A is added before the
inital %PDF-1.2 which marks the start of the PDF file causing some
readers to not recog
Rocky,
First off, when working with mailing lists like these, you generally
should reply to the entire group, not to an individual person. Doing so
takes the burden off of the person who initially replied to you.
Moreover it means that you won't have to wait for that one person to
get back to y
So I have Internet Explorer 6.0 with XP and have also installed
Microsoft .NET framework 1.1. I
can't get my .php files to be viewed with my web browser. html files
are diplayed okay but with
php files i get a blank screen.
I guess i need plug-ins for Internet Explorer but i thought that .NET
c
I have been experimenting with defining functions as constants.
Below is what I am using to test "Function Constants":
define(DBLOGIN,dblogin(LOGIN,PASS,DB));
This is simply not allowed.
see:
http://php.net/define
Can you elaborate on what is not allowed?
Are you saying defining function consta
We've just bought a new Power Mac G5 Macintosh computer for the office
and
I'll need to do some backend engineering work using it. I've never
worked
with PHP on MAC, so I really have no experience with what happens on a
MAC... are there on issues regarding working with PHP on a MAC?
Not at all. O
I have a query that returns lots of rows so I want to display the
results in blocks of 25 or so on my web page and have forward and back
buttons to navigate the results. Can someone point me in the right
directions please I have tried to look around for something using
google but cant think of
how can i retrieve the last day of the month?
like 31 - Jul, 30 - Jun , 28 - Feb
$lastdayofmonth = mktime(12,0,0,$month+1,0,$year);
?>
You could also use the date() function with the t parameter. Of course,
that also requires a timestamp...
Larry
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/* Select User's First Name From Table */
$sql = "SELECT UserFirstName FROM RegisteredMembers WHERE
UserID='$_POST[TXT_UserID]'";
$result5 = mysql_query($sql) or die ("couldn't select UserID from
database");
$num = mysql_num_rows($result);
/* Welcome Registsred Member */
echo "welcome to th
I wonder why my website runs smooth in PHP 4.1.1 but it does not in
4.3.7.
Without knowing any relevant details at all, I would suggest that the
settings are different between the two servers, particularly
register_globals and magic_quotes.
Larry
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I ave a strange problem with my error reporting!
I have set php.ini to: error_reporting = E_ALL but I don't see any
errors.
(After I was happy things were working on my Apache Test Server, I
uploaded
to my web host and discovered errors.)
Make sure that display_errors is on and that you restart
im posting a form to itself... and im wondering if there is any
way to clear the post data from the page after if have dealt with it?
$_POST = array();
Larry
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When I use session_start function, I receive the following warning
messages:
Warning: session_start(): Cannot send session cookie - headers already
sent by (output started at
/home/w4t3c101/public_html/ListClientInfo.php:2) in
/home/w4t3c101/public_html/SessionControl.php on line 9
Warning: se
Can anyone point me to an existing script or tutorial to learn this?
I'm fairly sure there's a tutorial at PHPBuilder.com or Zend.com. Or
you can check the PEAR modules for code (I know there are database to
Excel classes).
If all else fails, Google's always helpful.
Larry
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PHP General Mailing
Thanks all makes sense, but, if I add this:
I don't get anything back when the page is called?
Yes, that can happen, which is why I said it wasn't perfect. I think
using some sort of form to go through is the better option.
Larry
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I have a .php page I don't want anyone being able to just open it
unless
they've been through a previous page that is a disclaimer http
referrer etc
come to mind but not exactly sure how to implement it in PHP.
Yes, you could check the value of $_SERVER['HTTP_REFERRER'] but that's
not perfect. I
if($var) do something;
verses
if(isset($var)) do something;
The simple form if($var) seems to work fine and I see it in code often.
Is there a good reason for using isset?
Yes, if you don't use isset(), you may see notices (errors) if the
variable is not set. This depends upon the error reporting
I know it's easy to find the screen res of a user from javascript- but
I
want to let my PHP script know what the resolution is. Is this
possible? I
would like the easiest way possible- I'd rather not resort to
sessions/cookies. Is there a way to make a variable available to PHP?
I
find the ge
Does Any One Knows How To Set And Get Cookies?
The PHP manual is really good for stuff like this. Check out the
setcookie() function.
Larry
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When using a link like xxx.proceed.php?language=gbr
the 'proceed.php' script does not receive any $language variable.
Does someone know how to get it run?
This is a register_globals issue. Refer to $_GET['language'] instead of
just language. Or, at the top of your script, add
$language = $_GET['la
Form takes parameter username, so I want to accept username taht
includes only numbers and letters.
How can I check if variable contains only letters and numbers?
Use regular expressions. See the PHP manual (for PCRE or POSIX) for
more. You'll also find a number of tutorials online about validati
I am looking for suggestions for a textbook for an undergraduate class
introducing PHP and MySQL (using PHP, not MySQL administration). Right
now
I am using the McCarty book "PHP 4 A Beginner's Guide" but there might
be
new and/or better books out there?
Both my "PHP for the World Wide Web: Visua
I have 2 list fields in a form. The second is populated basing on
selection in field 1. Can anyone pls tell me how to do this in PHP ?
You can't do this with PHP. PHP is server side which means it only
reacts after a request has been made to the server (by loading a Web
page or submitting a form
Correction: I meant to say: Are session variables stored server-side or
client-side like cookies?
The session data is stored on the server. The session cookie (if there
is one) is stored in the browser.
How do I go about making a session last longer that the duration of
the
browser?
Set the expi
Why PHP is a recursive acronym?, I know that before was called
Personal Home Page, I now is Hypertext PreProcessor, but why is
recursive?, I person told me that it could be wroten as Pre Hypertxt
Processor, thanks.
PHP stands for "PHP: Hypertext Preprocessor". It's called a recursive
acronym be
However, I don't see the point in discussing this topic any longer. You
won't change your opinion and Apple afficionados won't change their
opinion either. I would like to suggest that you try Linux, BSD or OS X
before you speak.
On the bright side, Linux, Windows, and Mac OS X all run PHP. And thi
Anyone that can inform me of good books to buy or free tutorials on
the net
that can guide me through building a good dynamic website.
People seem to think my books are pretty good
(http://www.amazon.com/exec/obidos/ASIN/0321186486/dmcinsiinc-20/002
-8800445-6161652). PHP and MySQL Web Develop
I've got a form with a text entry list allowing the visitor to select
more
than one entry. The multiple entries are passed in the URL properly
(see
below) but the QUERY is only using the last one listed. What's up?
URL being passed...
http://www.cancerreallysucks.org/RobesonWeb/robeson1searchB
Searched all the sites I could find for this problem to no avail. I
have
two dropdown menus in a form. The first menu contains a list of
MANUFACTURERS obtained from a database. The second contains a list of
MODELS also obtained from the database. I want the second menu to be
populated based upon t
Is it just me, or would everybody else like to see a case-insensitive
string
comparison operator introduced into PHP? It is a type of comparison
that I
use a lot, and having to strtolower() everything before comparison can
impact code readability, not to mention the angst, pain and trauma of
hav
which is more efficient to do:
1.
>Something1
>Something2
(or)
2.
instead of having the mixed in the HTML is it better to
echo/print the whole lines?
Really just a matter of personal preference. If I have a mostly PHP
page, I would use echo to print out chunks of HTML. If I have a mostly
HTML p
on the search_results page, what happens is:
-i use explode() to break the comma-delimited string down into array
elements, and count() to count the number of array elements
-then i use a for loop to cycle through the list of array elements and
run a sql query to search through a table for any ma
To make a donation, simply login to PayPal and click the "Send Money"
tab at the top of your screen. Once there, put
[EMAIL PROTECTED] in the "Recipient's Email" field and fill
out the remaining fields to your liking. :)
Even though this thread is much more PHP-related than many of the
topics
Does anyone know why my PHP pages won't work in Frames? I have 5
frames,
each of which are displaying PHP pages.and none of the PHP code
works.
PHP works just fine within frames because the two issues are completely
unrelated. That being said, I can't tell why you're having problems as
you
I need to create a feature that allows users to enter certain words
that can
be searched ie
search = 'red lion'
this would return all data found with the words red and lion.
If you're using MySQL 4.0, you can take advantage of its FULL TEXT
searching (it's actually available in earlier versions b
I am doing a receipt system whereby it can auto generate a
unique receipt
number for each receipt. It will be an increment of number eg.01,
02,
03, and so on.Wonder how should I go about doing this using
PHP? Do need
some help here..technologies used are:PHP and MySQL...
S
I have been trying to do this for weeks but i just cant figure this
out. I have categories that have subcategories and i want to insert
them into database. My table looks like this: cat_id, parent_id and
cat_name.
Let's say i wanna insert a subcategory that is associated with its
parent categor
I notice the use of "_GET" in some messages. Is this the same as
"HTTP_GET_VARS[]"?
More or less. $_GET was added in version 4.1 and has an added advantage
of being global in scope (it's a superglobal).
Where in the manual is this documented?
http://www.php.net/release_4_1_0.php
http://www.php.
if ($_POST["detail"][11][116] && !$_POST["detailtext"][19][114]) {
How can I encapsulate the array so it is a multi-dimensional array and
not just
a string length?
I'm not exactly sure what you're array structure is but that syntax is
correct.
$_POST['key1']['key2']...
Larry
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Nothing. But it I run:
function getData() {
etc..
print_r ($theArray);
return $theArray;
}
the data is definitely there.
I think the example in the PHP manual goes something like...
function getData () {
// blah, blah
return array ('value1', 'value2', ...);
}
Then you would call it w
I would like to call a function from a 's ACTION attribute. This
is
what I'm trying to do:
ACTION="www.example.com/PHP_FILENAME/function_name?
parameter1=x¶meter2=y
" etc...>
Well, you're not going to call a function that way, but you will submit
the form to the PHP page (PHP_FILENAME) and t
what do mac owners use for a webserver?
OS X users (Server and Client) use Apache 1.x, which is built-in.
People with earlier versions of the operating system (OS 9 and earlier)
used WebStar (I don't know if it supports PHP) or WebTen by Tenon
(which is just a version of Apache and does support
And I try to display it in the table using this :
>
if I try to echo the variable $email_1, I get the correct value i.e.
"thisisa long e-mail address"
/// However when it comes to displaying it using the table all I get
is the "thisisa" . It simply avoids the spaces. Can anyone tell me why
thi
Sorry the second "echo "Hello world";" was meant to have no semi colon
Just so you know, PHP allows the last command in a section to not have
a semi-colon. Therefore the code
would not cause an error message. If you're trying to purposefully
cause an error, you'll need to change your trigger.
The following function is from Larry Ullman's PHP and mySQL on page
217 -
script 6.8 - in which there is a connection to a mySQL database using
PHP.
My question is that I'm not sure of the global variable $dbc.
Hello Anthony,
The mysql_real_escape_string() requires a connection to the database.
$x = 4.5012412;
echo round($x, 2); // results in 4.5 --- however I want 4.50! I
want 2
decimal places!
echo number_format ( round ($x, 2), 2);
Larry
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Does anyone know of a good installation kit like FoxServ, phpTriad,
etc for
Mac OS X? I want a quick solution for adding MySQL, GD, phpLib
support for
my mac.
Follow Marc's instructions at http://www.entropy.ch/software/macosx/php/
He provides a compiled version of PHP that includes MySQL suppor
Does the php.ini file always go in the same place no matter the OS? I
did a
locate in the shell, and nothing came up. I could find .ini files, or
php.
files, but no php.ini files.
In all likelihood, you don't have a php.ini file on your computer,
which is why searching for it using conventional
Where would I go on the redHat site to ask when they are going to
upgrade to PHP 4.3 and MySQL 4.x (now in production). Our CS dept.
won't install them for me until RedHat bundles it. I'm using RH 7.3.
This question would probably be best directed towards:
1) The RedHat site
2) A RedHat newsgroup
The problem that I am facing is that I can get the script/browser/php
to pass such large file. I have modified the upload_max_size variable
in
php.ini to be larger the 60Mb but this still does not help!
Is there any hard limitation that I am unaware of?
You'll probably need to adjust the follow
i just want to figure out a way by which i can stop session theft.i
thought
if i can get something from user end that is unique for that user.for
e.g.
his/her IP .but it will not work when they are behind firewall.they
will be
assigned same IP.is there a way for me to get the IP
(e.g.202.202.20
OK, I can bypass my oversight by stripping out apostophes from the
variable values. There has to be a better way please.
Turn on Magic Quotes GPC or use the addslashes() function. Or, if you
want to be more precise and MySQL-specific, use the
mysql_escape_string() or mysql_real_escape_string() f
hi there , i was wondering on security of file uploads , i am currently
using the pear uploader class , i can check for allowed file
extensions ,
but it doesnt seem to check for file type , i can currently rename say
an
image to zip and it uploads , is there anyway a hacker could rename an
execut
Warning: ob_gzhandler() [ref.outcontrol]: output handler
'ob_gzhandler' cannot
be used twice in /blahblah/includes/bottom.inc on line 25
I can't speak as to why this would only happen occasionally, but I
believe that you should comment out the output_buffering line in the
php.ini file when using
The only product I know of that fits your description (I think) is
JaneBuilder (http://www.seejanecode.com). It's currently available for
Mac and will be on Windows soon. Never used it myself...
Larry
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Can the DB be on a different server than the page server?
Yes. For example, with MySQL, you just need to create a user with
permission to connect from a remote computer by setting the appropriate
host value.
Larry
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Is there an easy way to display the epoch time given by time() in a
human
readable format? Basically, if I do $time = time(); and the insert that
data into my mysql database and then pull that information out again
how
do I make it look like 2003-03-13 or a variant of that?
If you are pulling a d
I know, it can't be done in PHP. That's not exactly what I'm here
for. I have a client who would like to redirect people to a polite
'upgrade your browser' page whenever people visit his site (which has
been developed in PHP no less). My question here is, how can I make
this so that regar
Any performance issues re: using fetch_row vs. fetch_array?
No significant performance issues. If you want to be precise and save a
little overhead, use
$row = mysql_fetch_array ($result, MYSQL_ASSOC);
The returned record will ONLY be returned as an associative array.
Larry
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What are some of the more active MySQL lists? Do you have a URL or
two?
http://www.mysql.com/documentation/lists.html
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This is OT, I'm considering buying the MySQL, Second Edition Paul
DuBois
book. I'm using MySQL 3.23. Should I be buying the first edition
DuBois
book instead or does BuBois cover both 3 and 4 in the second edition?
Is
there a huge difference between 3 and 4?
Here's a URL for the second editio
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