<?php $a = [ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5, 'f' => 6, ]; unset($a['b']); $b = [ 'a' => 1, 'c' => 3, 'd' => 4, 'e' => 5, 'f' => 6, ]; srand(1); var_dump(array_rand($a)); srand(1); var_dump(array_rand($b));
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