PHP - Function method_exists()


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Syntax

method_exists ( $object, $method_name );

Definition and Usage

Checks if the class method exists in the given object.

Parameters

ParameterDescription
objectRequired. The tested object
mthod_nameRequired. The method name.

Return Value

Returns TRUE if the method given by method_name has been defined for the given object, FALSE otherwise.

Example

Following is the usage of this function:

<?php
$directory = new Directory('.');
var_dump(method_exists($directory,'read'));
?> 

It will produce following result:

bool(true)

php_function_reference.htm

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