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<?php $a=array("1","2","3","4"); array_unshift($a); print_r($a);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_unshift() expects at least 2 parameters, 1 given in /in/ZtAQn on line 3 Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )
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 - 5.2.17
Warning: Wrong parameter count for array_unshift() in /in/ZtAQn on line 3 Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 )
preferences:
253.03 ms | 402 KiB | 342 Q