How to check whether property exists in object or class in php

0 votes

I understand PHP does not have a pure object variable, but I want to check whether a property is in the given object or class.

$ob = (object) array('a' => 1, 'b' => 12); 

or

$ob = new stdClass;
$ob->a = 1;
$ob->b = 2;

In JS, I can write this to check if variable a exists in an object:

if ('a' in ob)

In PHP, can anything like this be done?

Oct 1, 2020 in PHP by kartik
• 37,530 points
843 views

1 answer to this question.

0 votes

Hello @kartik,

Using 

property_exists( mixed $class , string $property )

if (property_exists($ob, 'a')) 

isset( mixed $var [, mixed $... ] )

if (isset($ob->a))

isset() will return false if property is null

Hope it helps!!

ThanK You!!

answered Oct 1, 2020 by Niroj
• 82,820 points

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