(PHP 4, PHP 5)
ini_restore — Restores the value of a configuration option
Restores a given configuration option to its original value.
The configuration option name.
没有返回值。
Example #1 ini_restore() example 以上例程会输出:
<?php
$setting = 'y2k_compliance';
echo 'Current value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;
ini_set($setting, ini_get($setting) ? 0 : 1);
echo 'New value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;
ini_restore($setting);
echo 'Original value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;
?>
Current value for 'y2k_compliance': 1
New value for 'y2k_compliance': 0
Original value for 'y2k_compliance': 1