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is_object

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Finds whether a variable is an object

Description

is_object(mixed $value): bool

Finds whether the given variable is an object.

Parameters

value: The variable being evaluated.

Return Values

Returns true if value is an object, false otherwise.

Changelog

Version	Description
7.2.0	`is_object()` now returns true for unserialized objects without a class definition (class of `__PHP_Incomplete_Class`). Previously false was returned.

Examples

is_object() example

php

<?php
// Declare a simple function to return an 
// array from our object
function get_students($obj)
{
    if (!is_object($obj)) {
        return false;
    }

    return $obj->students;
}

// Declare a new class instance and fill up 
// some values
$obj = new stdClass();
$obj->students = array('Kalle', 'Ross', 'Felipe');

var_dump(get_students(null));
var_dump(get_students($obj));
?>