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<?php $x = array('z'=>1,'a'=>3,'x'=>5,'b'=>6,'y'=>4,'c'=>2); var_dump(array_keys($x), array_values($x));
Output for 4.3.0 - 7.1.0
array(6) { [0]=> string(1) "z" [1]=> string(1) "a" [2]=> string(1) "x" [3]=> string(1) "b" [4]=> string(1) "y" [5]=> string(1) "c" } array(6) { [0]=> int(1) [1]=> int(3) [2]=> int(5) [3]=> int(6) [4]=> int(4) [5]=> int(2) }