--TEST-- Test array_diff_uassoc() function : usage variation - Passing boolean indexed array --FILE-- '0', 1 => '1', -10 => '-10', 'true' => 1, 'false' => 0); $boolean_indx_array = array(true => 'boolt', false => 'boolf', TRUE => 'boolT', FALSE => 'boolF'); echo "\n-- Testing array_diff_key() function with float indexed array --\n"; var_dump( array_diff_uassoc($input_array, $boolean_indx_array, "strcasecmp") ); var_dump( array_diff_uassoc($boolean_indx_array, $input_array, "strcasecmp") ); ?> ===DONE=== --EXPECTF-- *** Testing array_diff_uassoc() : usage variation *** -- Testing array_diff_key() function with float indexed array -- array(5) { [0]=> string(1) "0" [1]=> string(1) "1" [-10]=> string(3) "-10" ["true"]=> int(1) ["false"]=> int(0) } array(2) { [1]=> string(5) "boolT" [0]=> string(5) "boolF" } ===DONE===