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property_exists

(no version information, might be only in CVS)

property_exists --  Checks if the object or class has a property

Description

bool property_exists ( mixed class, string property )

This function checks if the given property exists in the specified class (and if it was declared as public).

Note: As opposed with isset(), property_exists() returns TRUE even if the property has the value NULL.

Parameters

class

A string with the class name or an object of the class to test for

property

The name of the property

Return Values

Returns TRUE if the property exists or FALSE otherwise.

Examples

Example 1. A property_exists() example

<?php

class myClass {
    public $mine;
    private $xpto;
}

var_dump(property_exists('myClass', 'mine'));   //true
var_dump(property_exists(new myClass, 'mine')); //true
var_dump(property_exists('myClass', 'xpto'));   //false, isn't public

?>

See Also

method_exists()

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Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/. Please see full copyright text at http://www.php.net/manual/en/copyright.php Original version of the above documentation is available at http://www.php.net/manual/en/



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