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<?php $array_2 = [ [ 1, 2, 7 ], [ 4, 5, 6 ] ]; $t = 0; array_map(function($v) use (&$t){ $t += array_sum($v);}, $array_2); echo $t;
Output for 7.1.25 - 7.1.30, 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 - 8.2.19, 8.3.0 - 8.3.7
25
preferences:
160.13 ms | 407 KiB | 172 Q