property_exists

property_exists

Checks if the object or class has a property

bool **property_exists**  $object_or_class string $property

This function checks if the given exists in the specified class. property

Opmerking: > As opposed with , returns true even if the property has the value null. isset``property_exists

object_or_classThe class name or an object of the class to test for

propertyThe name of the property

Returns true if the property exists, false if it doesn't exist.

Voorbeeld: A example

<?php

class myClass {
    public $mine;
    private $xpto;
    static protected $test;

    static function test() {
        var_dump(property_exists('myClass', 'xpto')); //true
    }
}

var_dump(property_exists('myClass', 'mine'));   //true
var_dump(property_exists(new myClass, 'mine')); //true
var_dump(property_exists('myClass', 'xpto'));   //true
var_dump(property_exists('myClass', 'bar'));    //false
var_dump(property_exists('myClass', 'test'));   //true
myClass::test();

?>

Opmerking: > The function cannot detect properties that are magically accessible using the magic method. property_exists__get

method_exists