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<?php function handler($errno, $errstr) { var_dump($errno); } error_set_handler('handler'); function test($string) { $string = 'bar'; } $a = 'foo'; test(&$a);
Output for 5.4.0 - 5.4.15
Fatal error: Call-time pass-by-reference has been removed; If you would like to pass argument by reference, modify the declaration of test(). in /in/G4vQt on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.25
Deprecated: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of test(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file in /in/G4vQt on line 11 Fatal error: Call to undefined function error_set_handler() in /in/G4vQt on line 5
Process exited with code 255.