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Private Access Private Access
This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
Summery Summery
Check if the passed extension or function are available.
Syntax Syntax
Description Description
Make the check for available PHP modules into a simple boolean operator for a cleaner test runner.
Parameters Parameters
- $extension
-
(Optional) The extension name to test.
Default value: null
- $function
-
(Optional) The function name to test.
Default value: null
- $constant
-
(Optional) The constant name to test for.
Default value: null
- $class
-
(Optional) The class name to test for.
Default value: null
Return Return
(bool) Whether or not the extension and function are available.
Source Source
File: wp-admin/includes/class-wp-site-health.php
* @param string $function Optional. The function name to test. Default null.
* @param string $constant Optional. The constant name to test for. Default null.
* @param string $class Optional. The class name to test for. Default null.
* @return bool Whether or not the extension and function are available.
*/
private function test_php_extension_availability( $extension = null, $function = null, $constant = null, $class = null ) {
// If no extension or function is passed, claim to fail testing, as we have nothing to test against.
if ( ! $extension && ! $function && ! $constant && ! $class ) {
return false;
}
if ( $extension && ! extension_loaded( $extension ) ) {
return false;
}
if ( $function && ! function_exists( $function ) ) {
return false;
}
if ( $constant && ! defined( $constant ) ) {
return false;
}
if ( $class && ! class_exists( $class ) ) {
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Changelog Changelog
| Version | Description |
|---|---|
| 5.3.0 | The $constant and $class parameters were added. |
| 5.2.0 | Introduced. |
