--TEST-- Test array_diff_uassoc() function : error conditions --FILE-- "green", "b" => "brown", "c" => "blue", "red"); $array2 = array("a" => "green", "yellow", "red"); $array3 = array("a" => "green", "red"); $array4 = array(); $extra_arg = array(1, 2, 3, 4); function key_compare_func($a, $b) { if ($a === $b) { return 0; } return ($a > $b)? 1:-1; } //Test array_diff_uassoc with one more than the expected number of arguments echo "\n-- Testing array_diff_uassoc() function with more than expected no. of arguments --\n"; try { var_dump( array_diff_uassoc($array1, $array2, "key_compare_func", $extra_arg) ); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } try { var_dump( array_diff_uassoc($array1, $array2, $array3, $array4, "key_compare_func", $extra_arg) ); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } // Testing array_diff_uassoc with one less than the expected number of arguments echo "\n-- Testing array_diff_uassoc() function with less than expected no. of arguments --\n"; try { var_dump( array_diff_uassoc($array1, $array2) ); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } ?> --EXPECT-- *** Testing array_diff_uassoc() : error conditions *** -- Testing array_diff_uassoc() function with more than expected no. of arguments -- array_diff_uassoc(): Argument #4 must be a valid callback, array callback must have exactly two members array_diff_uassoc(): Argument #6 must be a valid callback, array callback must have exactly two members -- Testing array_diff_uassoc() function with less than expected no. of arguments -- array_diff_uassoc(): Argument #2 must be a valid callback, array callback must have exactly two members