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run code in 300+ PHP versions simultaneously
<?php $wrap = array(); $a = array(); $a10 = 'a10'; $a11 = 'a11'; $a20 = 'a20'; $a21 = 'a21'; $b = array(); $b1 = 'bbbbbbbbbbbbbbb'; $a[] = $a10; $a[] = $a11; $a[] = $a20; $a[] = $a21; $b[] = $b1; $wrap[] = $a; $wrap[] = $b; //var_dump($wrap); //$sorted = array(); //foreach($wrap as $content) { // $sorted[] = $content; //} $sorted = call_user_func_array('array_merge', $wrap); var_dump($sorted); ?>
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> string(3) "a10" [1]=> string(3) "a11" [2]=> string(3) "a20" [3]=> string(3) "a21" [4]=> string(15) "bbbbbbbbbbbbbbb" }

preferences:
292.67 ms | 406 KiB | 460 Q