3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1, 2, 3);foreach ($a as $v) { prev(&$a); var_dump($v); }
based on VWWkB
Output for 5.4.0 - 5.4.34
Fatal error: Call-time pass-by-reference has been removed in /in/NVbpX on line 1
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated in /in/NVbpX on line 1 int(1) int(2) int(3)
Output for 5.2.7 - 5.2.17
Warning: Call-time pass-by-reference has been deprecated in /in/NVbpX on line 1 int(1) int(2) int(3)
Output for 5.2.5 - 5.2.6
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of prev(). 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/NVbpX on line 1 int(1) int(2) int(3)
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 prev(). 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/NVbpX on line 1 int(1) int(2) int(3)
Output for 4.3.0 - 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 prev(). 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/NVbpX on line 1 int(1) int(2) int(3)