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<?php $aaa = [[1,2,3,4]]; $i = 5; foreach ($aaa as &$aa) { foreach ($aa as &$a) { $a = $i; $i--; } } unset($a); var_dump ($aaa); foreach ($aaa as &$aa) { foreach ($aa as $a) { } } var_dump ($aaa);
Output for 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
array(1) { [0]=> &array(4) { [0]=> int(5) [1]=> int(4) [2]=> int(3) [3]=> int(2) } } array(1) { [0]=> &array(4) { [0]=> int(5) [1]=> int(4) [2]=> int(3) [3]=> int(2) } }
preferences:
38.34 ms | 1137 KiB | 7 Q