Online PHP editor | refs for DKgms

<?php function compare($a, $b) { echo("$a : $b\n"); return strcmp($a, $b); } $a = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); $b = array('v' => 1, 'w' => 2, 'x' => 3, 'y' => 4, 'z' => 5); var_dump(array_diff_uassoc($a, $b, 'compare')); $a = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); $b = array('d' => 1, 'e' => 2, 'f' => 3, 'g' => 4, 'h' => 5); var_dump(array_diff_uassoc($a, $b, 'compare')); $a = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); $b = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); var_dump(array_diff_uassoc($a, $b, 'compare')); $a = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); $b = array('e' => 5, 'd' => 4, 'c' => 3, 'b' => 2, 'a' => 1); var_dump(array_diff_uassoc($a, $b, 'compare'));