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<?php /*function ref(&$a) {} function val($a) {}*/ $b = []; $a = $b['a']['b']; $a =& $b['a']['b']; ref($b['a']['b']); val($b['a']['b']);
Output for 8.3.0 - 8.3.6
Warning: Undefined array key "a" in /in/WcD4K on line 7 Warning: Trying to access array offset on null in /in/WcD4K on line 7 Fatal error: Uncaught Error: Call to undefined function ref() in /in/WcD4K:9 Stack trace: #0 {main} thrown in /in/WcD4K on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined array key "a" in /in/WcD4K on line 7 Warning: Trying to access array offset on value of type null in /in/WcD4K on line 7 Fatal error: Uncaught Error: Call to undefined function ref() in /in/WcD4K:9 Stack trace: #0 {main} thrown in /in/WcD4K on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined index: a in /in/WcD4K on line 7 Notice: Trying to access array offset on value of type null in /in/WcD4K on line 7 Fatal error: Uncaught Error: Call to undefined function ref() in /in/WcD4K:9 Stack trace: #0 {main} thrown in /in/WcD4K on line 9
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to undefined function ref() in /in/WcD4K:9 Stack trace: #0 {main} thrown in /in/WcD4K on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined index: a in /in/WcD4K on line 7 Fatal error: Uncaught Error: Call to undefined function ref() in /in/WcD4K:9 Stack trace: #0 {main} thrown in /in/WcD4K on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined index: a in /in/WcD4K on line 7 Fatal error: Call to undefined function ref() in /in/WcD4K on line 9
Process exited with code 255.

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