wp_is_ini_value_changeable( string $setting )

Determines whether a PHP ini value is changeable at runtime.


Description Description


Parameters Parameters

$setting

(string) (Required) The name of the ini setting to check.


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Return Return

(bool) True if the value is changeable at runtime. False otherwise.


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Source Source

File: wp-includes/load.php

function wp_is_ini_value_changeable( $setting ) {
	static $ini_all;

	if ( ! isset( $ini_all ) ) {
		$ini_all = false;
		// Sometimes `ini_get_all()` is disabled via the `disable_functions` option for "security purposes".
		if ( function_exists( 'ini_get_all' ) ) {
			$ini_all = ini_get_all();
		}
 	}

	// Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17.
	if ( isset( $ini_all[ $setting ]['access'] ) && ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) ) ) {
		return true;
	}

	// If we were unable to retrieve the details, fail gracefully to assume it's changeable.
	if ( ! is_array( $ini_all ) ) {
		return true;
	}

	return false;
}

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Changelog Changelog

Changelog
Version Description
4.6.0 Introduced.

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