Functions added in PHP 5.4

Functions added in PHP 5.4

1.hex2bin()
2.http_Response_codes()
3.get_declared_traits()
4.getimagesizefromstring()
5.trait_exists()
6.header_register_callback()
7.class_uses()
8.session_status()
9.session_register_shutdown()
10.mysqli_error_list()
11.mysqli_stmt_error_list()