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run code in 300+ PHP versions simultaneously
<?php $array = [ [30, 5, 6, 7, 8, 9, 2, 5], [50, 4, 8, 4, 4, 6, 9, 2] ]; var_export( array_map(fn(...$col) => array_sum($col), ...$array) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 80, 1 => 9, 2 => 14, 3 => 11, 4 => 12, 5 => 15, 6 => 11, 7 => 7, )

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