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run code in 300+ PHP versions simultaneously
<?php $a=[]; $a[0]=[1,2,3]; $a[1]=[4,5,6]; $a[2]=[7,8,9]; $a[3]=[1,4,7]; $result = []; array_walk_recursive($a,function($val) use (&$result){ $result[] = $val; }); var_dump($result);
Output for 7.2.34, 8.1.23 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.27, 8.4.1 - 8.4.14
array(12) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(1) [10]=> int(4) [11]=> int(7) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(12) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(1) [10]=> int(4) [11]=> int(7) }
preferences:
82.13 ms | 408 KiB | 5 Q