The is_object() function is an inbuilt function in PHP which is used to check whether the given value is an object or not.
Syntax:
bool is_object( mixed $var )
Parameters: This function accepts single parameter as mentioned above and described below:
- $var: It contains the value of variable that need to be check.
Return Value: It returns TRUE if the value of variable is an object, FALSE otherwise.
Program 1:
<?php   // Create a class class GFG {        public $data1;     public $data2;     public $data3; }    // Create an object $obj = new GFG();   // Check the value of variable // is an object or not if(is_object($obj)) {     echo "Object"; } else {     echo "Not Object"; } ?> |
Output:
Object
Program 2:
<?php   // Create a class class GFG {     public $Geek_name =           "Welcome to neveropen"; }    // Create the class name alias class_alias('GFG', 'neveropen');   $obj1 = new GFG(); $obj2 = new neveropen(); $obj3 = 'neveropen';   var_dump(is_object($obj1)); var_dump(is_object($obj2)); var_dump(is_object($obj3));   ?> |
Output:
bool(true) bool(true) bool(false)
Reference: https://www.php.net/manual/en/function.is-object.php
