3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array('Dan', 'Lisa', 'Eric'); function funtimes($data) { echo implode(", ", $data); $data[] = 'John'; } funtimes(&$data); var_dump($data);
Output for 5.4.0 - 5.4.32
Fatal error: Call-time pass-by-reference has been removed; If you would like to pass argument by reference, modify the declaration of funtimes(). in /in/S7ogJ on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of funtimes(). 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/S7ogJ on line 9 Dan, Lisa, Ericarray(4) { [0]=> string(3) "Dan" [1]=> string(4) "Lisa" [2]=> string(4) "Eric" [3]=> string(4) "John" }
Output for 5.2.5 - 5.2.17
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of funtimes(). 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/S7ogJ on line 9 Dan, Lisa, Ericarray(4) { [0]=> string(3) "Dan" [1]=> string(4) "Lisa" [2]=> string(4) "Eric" [3]=> string(4) "John" }
Output for 5.2.1 - 5.2.4
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of funtimes(). 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/S7ogJ on line 9 Dan, Lisa, Ericarray(4) { [0]=> string(3) "Dan" [1]=> string(4) "Lisa" [2]=> string(4) "Eric" [3]=> string(4) "John" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of funtimes(). 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. However, future versions may not support this any longer. in /in/S7ogJ on line 9 Dan, Lisa, Ericarray(4) { [0]=> string(3) "Dan" [1]=> string(4) "Lisa" [2]=> string(4) "Eric" [3]=> string(4) "John" }

preferences:
216.85 ms | 1397 KiB | 123 Q