php man page for method_exists

METHOD_EXISTS(3)							 1							  METHOD_EXISTS(3)

method_exists - Checks if the class method exists

SYNOPSIS
       bool method_exists (mixed  $object, string  $method_name)

DESCRIPTION
	Checks if the class method exists in the given $object.

PARAMETERS
	      o $object
		- An object instance or a class name

	      o $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(3) example

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

	      The above example will output:

	      bool(true)

       Example #2

	      Static method_exists(3) example

	      <?php
	      var_dump(method_exists('Directory','read'));
	      ?>

	      The above example will output:

	      bool(true)

SEE ALSO
       function_exists(3), is_callable(3), class_exists(3).

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