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--TEST-- Test array_diff_assoc() function : usage variations - compare integers, floats and strings --FILE-- <?php /* Prototype : array array_diff_assoc(array $arr1, array $arr2 [, array ...]) * Description: Returns the entries of arr1 that have values which are not present * in any of the others arguments but do additional checks whether the keys are equal * Source code: ext/standard/array.c */ /* * Test how array_diff_assoc compares integers, floats and string */ echo "*** Testing array_diff_assoc() : usage variations ***\n"; $arr_default_int = array(1, 2, 3, 'a'); $arr_float = array(0 => 1.00, 1.00 => 2.00, 2.00 => 3.00, 'b'); $arr_string = array('1', '2', '3', 'c'); $arr_string_float = array('0' => '1.00', '1.00' => '2.00', '2.00' => '3.00', 'd'); echo "-- Result of comparing integers and floating point numbers: --\n"; var_dump(array_diff_assoc($arr_default_int, $arr_float)); var_dump(array_diff_assoc($arr_float, $arr_default_int)); echo "-- Result of comparing integers and strings containing an integers : --\n"; var_dump(array_diff_assoc($arr_default_int, $arr_string)); var_dump(array_diff_assoc($arr_string, $arr_default_int)); echo "-- Result of comparing integers and strings containing floating points : --\n"; var_dump(array_diff_assoc($arr_default_int, $arr_string_float)); var_dump(array_diff_assoc($arr_string_float, $arr_default_int)); echo "-- Result of comparing floating points and strings containing integers : --\n"; var_dump(array_diff_assoc($arr_float, $arr_string)); var_dump(array_diff_assoc($arr_string, $arr_float)); echo "-- Result of comparing floating points and strings containing floating point: --\n"; var_dump(array_diff_assoc($arr_float, $arr_string_float)); var_dump(array_diff_assoc($arr_string_float, $arr_float)); echo "-- Result of comparing strings containing integers and strings containing floating points : --\n"; var_dump(array_diff_assoc($arr_string, $arr_string_float)); var_dump(array_diff_assoc($arr_string_float, $arr_string)); echo "-- Result of comparing more than two arrays: --\n"; var_dump(array_diff_assoc($arr_default_int, $arr_float, $arr_string, $arr_string_float)); echo "Done"; ?> --EXPECTF-- *** Testing array_diff_assoc() : usage variations *** -- Result of comparing integers and floating point numbers: -- array(1) { [3]=> string(1) "a" } array(1) { [3]=> string(1) "b" } -- Result of comparing integers and strings containing an integers : -- array(1) { [3]=> string(1) "a" } array(1) { [3]=> string(1) "c" } -- Result of comparing integers and strings containing floating points : -- array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> string(1) "a" } array(4) { [0]=> string(4) "1.00" ["1.00"]=> string(4) "2.00" ["2.00"]=> string(4) "3.00" [1]=> string(1) "d" } -- Result of comparing floating points and strings containing integers : -- array(1) { [3]=> string(1) "b" } array(1) { [3]=> string(1) "c" } -- Result of comparing floating points and strings containing floating point: -- array(4) { [0]=> float(1) [1]=> float(2) [2]=> float(3) [3]=> string(1) "b" } array(4) { [0]=> string(4) "1.00" ["1.00"]=> string(4) "2.00" ["2.00"]=> string(4) "3.00" [1]=> string(1) "d" } -- Result of comparing strings containing integers and strings containing floating points : -- array(4) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "c" } array(4) { [0]=> string(4) "1.00" ["1.00"]=> string(4) "2.00" ["2.00"]=> string(4) "3.00" [1]=> string(1) "d" } -- Result of comparing more than two arrays: -- array(1) { [3]=> string(1) "a" } Done