property_exists
(PHP 5 >= 5.1.0RC1)
property_exists -- Checks if the object or class has a property
Descrizione
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).
Nota: As opposed with isset(), property_exists() returns TRUE even if the property has the value NULL.
Elenco dei parametri
- class
A string with the class name or an object of the class to test for
- property
The name of the property
Valori restituiti
Returns TRUE if the property exists or FALSE otherwise.
Esempi
Esempio 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
?> |
|