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Re: php include()

On Jun 29, 2004, at 9:39 PM, Gary Minato wrote:

I use the php require() function when the same content must be included
on every page, eg

<?php require("navigation.inc"); ?>

I use include() if I need to provide options when using if, else or
other statements, eg

<?php
$request="boy";
if ($request=='boy') {
include("boy.php");
}
else {
include("girl.php");
}
?>

Note that require & include are now almost identical, as of PHP 4.0.2, and it doesn't seem necessary to make this distinction in your case. (Previously, require() was evaluated, even if the line wasn't executed.)

From <http://us2.php.net/require>

require() and include() are identical in every way except how they handle failure. include() produces a Warning while require() results in a Fatal Error. In other words, don't hesitate to use require() if you want a missing file to halt processing of the page. include() does not behave this way, the script will continue regardless. Be sure to have an appropriate include_path setting as well.

Other useful commands are require_once & include_once, which make sure the files are only included once -- useful if you're including a block of functions & another included file might try to include them as well.

Hope these help,
Tim
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References: 
 >php include() (From: John Crockford <email@hidden>)
 >Re: php include() (From: Gary Minato <email@hidden>)



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