method_exists
method_exists
(PHP 4, PHP 5, PHP 7)
method_exists — Checks if the class method exists
Description
bool method_exists ( mixed $object , string $method_name )
Checks if the class method exists in the given object.
Parameters
-
object -
An object instance or a class name
-
method_name -
The method name
Return Values
Returns TRUE if the method given by method_name has been defined for the given object, FALSE otherwise.
Notes
Note:
Using this function will use any registered autoloaders if the class is not already known.
Examples
Example #1 method_exists() example
<?php
$directory = new Directory('.');
var_dump(method_exists($directory,'read'));
?> The above example will output:
bool(true)
Example #2 Static method_exists() example
<?php
var_dump(method_exists('Directory','read'));
?> The above example will output:
bool(true)
See Also
- function_exists() - Return TRUE if the given function has been defined
- is_callable() - Verify that the contents of a variable can be called as a function
- class_exists() - Checks if the class has been defined
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.method-exists.php
