property_exists()

property_exists() — Checks if the object or class has a property.

Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.1.0, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

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

Signature

property_exists(object|string $object_or_class, string $property): bool

Parameters

Parameter	Type	What it takes
$object_or_class	object\|string	The class name or an object of the class to test for
$property	string	The name of the property

Return value

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

Example

A runnable snippet:

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();