Restores the value of a configuration option

# ini_restore

(PHP 4, PHP 5, PHP 7, PHP 8)

ini_restore — Restores the value of a configuration option

### Description

ini_restore(string `$option`): void

Restores a given configuration option to its original value.

### Parameters

`option`

  The configuration option name.

### Return Values

No value is returned.

### Examples

Example #1 ini_restore() example

`<?php
$setting = 'html_errors';
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;
?>`

The above example will output:

    Current value for 'html_errors': 1
    New value for 'html_errors': 0
    Original value for 'html_errors': 1

### See Also

- ini_get() - Gets the value of a configuration option
- ini_get_all() - Gets all configuration options
- ini_set() - Sets the value of a configuration option

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