set_include_path

(PHP 4 >= 4.3.0, PHP 5, PHP 7)
Sets the include_path configuration option
string set_include_path ( string $new_include_path )

Sets the include_path configuration option for the duration of the script.

Parameters:
new_include_path

The new value for the include_path

Returns:

Returns the old include_path on success or FALSE on failure.

Examples:
set_include_path() example
<?php
// Works as of PHP 4.3.0
set_include_path('/usr/lib/pear');

// Works in all PHP versions
ini_set('include_path', '/usr/lib/pear');
?>

Adding to the include path

Making use of the PATH_SEPARATOR constant, it is possible to extend the include path regardless of the operating system.

In this example we add /usr/lib/pear to the end of the existing include_path.

<?php
$path = '/usr/lib/pear';
set_include_path(get_include_path() . PATH_SEPARATOR . $path);
?>

See also:

ini_set() -

get_include_path() -

restore_include_path() -

include -

doc_php
2016-02-24 15:54:03
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