This article describes several methods for setting the include path in PHP. By using include paths, you can centralize code that your web site frequently uses. Additionally, some features, such as PEAR, require you to set the include path so PHP can locate the appropriate files.
You can use a custom php.ini file to specify the include path. If you have not already set up a custom php.ini file, please read this article before you proceed.
To set the include path using a custom php.ini file:
include_path = ".:/home/USERNAME/include_directory"
Instead of setting the include path globally in a configuration file, you can set the path directly in a script file. To do this, you use the set_include_path() function.
The following sample code demonstrates how to set the include path using the set_include_path() function:
<?php set_include_path(".:/usr/lib/php:/usr/local/lib/php:/home/USERNAME/php"); ?>
A few of our VPS and dedicated servers use Apache modules instead of CGI binaries to run PHP. If your server uses an Apache module to run PHP, you can modify the .htaccess file in your web site's document root directory.
To set the include path using the .htaccess file:
php_value include_path ".:/path"
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