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ini_restore

(PHP 4, PHP 5, PHP 7)

ini_restore — Restores the value of a configuration option

Description

代码语言:javascript
复制
void ini_restore ( string $varname )

Restores a given configuration option to its original value.

Parameters

varname

The configuration option name.

Return Values

No value is returned.

Examples

Example #1 ini_restore() example

代码语言:javascript
复制
<?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;
?>

The above example will output:

代码语言:javascript
复制
Current value for 'y2k_compliance': 1
New value for 'y2k_compliance': 0
Original value for 'y2k_compliance': 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

← ini_get

ini_set →

代码语言:txt
复制
 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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