Rechercher une fonction PHP

method_exists

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(PHP 4, PHP 5, PHP 7)

method_exists — Checks if the class method exists

Description

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

Checks if the class method exists in the given object.

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Parameters

object

An object instance or a class name

method_name

The method name

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Return Values

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

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Notes

Note:

Using this function will use any registered autoloaders if the class is not already known.

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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)

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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