PHP is_object() function

Author：Eve Cole Update Time：2024-12-28 08:24:01

The is_object() function is used to detect whether a variable is an object.

PHP version requirements: PHP 4, PHP 5, PHP 7

grammar

 bool is_object (mixed $var)

Parameter description:

$var: The variable to be tested.

return value

Returns TRUE if the specified variable is an object, otherwise returns FALSE.

Example

<?php function get_subjects ( $obj_name ) { if ( ! is_object ( $obj_name ) ) { return ( false ) ; } return ( $obj_name -> subjects ) ; } $obj_name = new stdClass ; $obj_name -> subjects = Array ( ' Google ' , ' Codercto ' , ' Facebook ' ) ; var_dump ( get_subjects ( NULL ) ) ; var_dump ( get_subjects ( $obj_name ) ) ; ?>

The output is:

 bool(false)array(3) { [0]=> string(6) "Google" [1]=> string(6) "Codercto" [2]=> string(8) "Facebook"}