<?php $numbers = [[1,2],[3,4]];//хочу поменять местами цифры 1 и 2, 3 и 4foreach ($numbers as &$number){ $number = array_reverse($number);}var_dump($numbers);
Standard input is empty
array(2) { [0]=> array(2) { [0]=> int(2) [1]=> int(1) } [1]=> &array(2) { [0]=> int(4) [1]=> int(3) } }
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