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run code in 300+ PHP versions simultaneously
<?php $a1 = ['a' => 0, 'c' => 1, 'e' => 2]; $a2 = ['b' => 3, 'd' => 4, 'f' => 5]; $result = []; for ($i = 0, $count = count($a1); $i < $count; ++$i) { $result += array_slice($a1, $i, 1) + array_slice($a2, $i, 1); } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'a' => 0, 'b' => 3, 'c' => 1, 'd' => 4, 'e' => 2, 'f' => 5, )

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