method_exists
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Checks if the class method exists
Description
method_exists(object|string $object_or_class, string $method): bool
Checks if the class method exists in the given object_or_class.
Parameters
object_or_classAn object instance or a class name
methodThe method name
Return Values
Returns true if the method given by method has been defined for the given object_or_class, false otherwise.
Changelog
| Version | Description |
|---|---|
| 7.4.0 | Class checks against inherited private methods now return false. |
Examples
method_exists() example
php
<?php
$directory = new Directory('.');
var_dump(method_exists($directory,'read'));
?>The above example will output:
output
bool(true)Static method_exists() example
php
<?php
var_dump(method_exists('Directory','read'));
?>The above example will output:
output
bool(true)Notes Uses-autoload
Note
The method_exists() function cannot detect methods that are magically accessible using the __call magic method.