ini_set

(PHP 4, PHP 5, PHP 7)

ini_setSets the value of a configuration option

Description

ini_set ( string $varname , string $newvalue ) : string

Sets the value of the given configuration option. The configuration option will keep this new value during the script's execution, and will be restored at the script's ending.

Parameters

varname

Not all the available options can be changed using ini_set(). There is a list of all available options in the appendix.

newvalue

The new value for the option.

Return Values

Returns the old value on success, false on failure.

Examples

Example #1 Setting an ini option

<?php
echo ini_get('display_errors');

if (!ini_get('display_errors')) {
    ini_set('display_errors', '1');
}

echo ini_get('display_errors');
?>

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.ini-set.php