<?php
class a {}
class b extends a {public function foo() { var_dump(get_parent_class(null)); } }
$b = new b;
$b->foo();
var_dump(get_parent_class('b'));
Fatal error: Uncaught TypeError: get_parent_class(): Argument #1 ($object_or_class) must be an object or a valid class name, null given in /in/Y5s9S:3
Stack trace:
#0 /in/Y5s9S(3): get_parent_class(NULL)
#1 /in/Y5s9S(6): b->foo()
#2 {main}
thrown in /in/Y5s9S on line 3
Process exited with code 255.
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Y5s9S on line 3
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Y5s9S on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Y5s9S on line 3
Process exited with code 255.