method_exists
(PHP 4, PHP 5)
method_exists -- Checks if the class method exists
Beskrivelse
bool
method_exists ( object object, string method_name )
Checks if the class method exists in the given
object
.
Parameterliste
object
An object instance
method_name
The method name
Returneringsværdier
Returns TRUE if the method given by method_name
has been defined for the given object
, FALSE
otherwise.
Eksempler
Eksempel 1. method_exists() example
<?php $directory = new Directory('.'); var_dump(method_exists($directory,'read')); ?>
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Ovenstående eksempel vil udskrive: |