Hi,
I've tried to profile scripts with Zend Profiler (Zend Studio 5.5 Linux
trial on local host + Zend Platform 3.0.2 Linux trial on remote vmware
host) and noticed that script with include() call has higher load time. I
have't found explanation of performance differences between include and
include_once in PHP manual. Maybe somebody could explain it.
sample files
--- test.php ---
<?php
/** profiled file */
include_once('./test2.php');
echo $test;
---
--- test2.php ---
<?php
/** included with include_once() */
$test = 'test';
/** lower load time if include() replaced with include_once() */
include('./test3.php');
---
--- test3.php ---
<?php
/** included with include()*/
---
In real scripts there are not functions in test2.php and test3.php.
test2.php is a configuration file with lots of string and array variables.
test3.php is a second configuration file and usually has only comment
section.
--
Tomas
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