<?php
class myparent {
public function foo($bar) {
// do stuff
}
}
class mychild extends myparent {
public $val;
public function bar(myparent &$baz) {
// do stuff
}
public function __construct($val) {
$this->val = $val;
}
}
$child = new mychild('hello world');
$child->foo('test');
$child->bar('test');
Fatal error: Uncaught Error: mychild::bar(): Argument #1 ($baz) could not be passed by reference in /in/4k2nA:24
Stack trace:
#0 {main}
thrown in /in/4k2nA on line 24
Process exited with code 255.
Fatal error: Uncaught Error: mychild::bar(): Argument #1 ($baz) cannot be passed by reference in /in/4k2nA:24
Stack trace:
#0 {main}
thrown in /in/4k2nA on line 24
Process exited with code 255.
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/4k2nA:24
Stack trace:
#0 {main}
thrown in /in/4k2nA on line 24
Process exited with code 255.
Fatal error: Cannot pass parameter 1 by reference in /in/4k2nA on line 24
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4k2nA on line 5
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/4k2nA on line 5
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/4k2nA on line 5
Process exited with code 255.