PYTHON property_exists

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Python replacement for PHP's property_exists [ edit | history ]
hasattr(class, property)
Note: there is no distinction between fields and methods of an object in Python (a method is just a field that is callable)

PHP property_exists

PHP original manual for property_exists [ show | php.net ]

property_exists

(PHP 5 >= 5.1.0)

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.

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

Parameters

class

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, FALSE if it doesn't exist or NULL in case of an error.

Changelog

Version Description
5.3.0 This function checks the existence of a property independent of accessibility.

Examples

Example #1 A property_exists() 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, as of PHP 5.3.0
var_dump(property_exists('myClass''bar'));    //false
var_dump(property_exists('myClass''test'));   //true, as of PHP 5.3.0
myClass::test();

?>

See Also