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<?php $array = array( 'filters'=> array('where'=>array('yr'=>1994))); echo array_shift($keys = array_keys($array['filters']['where']));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) could not be passed by reference in /in/QNI7P:3 Stack trace: #0 {main} thrown in /in/QNI7P on line 3
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
Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) cannot be passed by reference in /in/QNI7P:3 Stack trace: #0 {main} thrown in /in/QNI7P on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Only variables should be passed by reference in /in/QNI7P on line 3 yr
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 7.3.32 - 7.3.33
yr
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/QNI7P on line 3 yr

preferences:
225.68 ms | 402 KiB | 314 Q