--TEST--
Test ksort() function : object functionality - sort objects
--FILE--
<?php
// class declaration for integer objects
class IntegerObject
{
    public $class_value;
    // initializing object member value
    function __construct($value)
    {
        $this->class_value = $value;
    }
}
// class declaration for string objects
class StringObject
{
    public $class_value;
    // initializing object member value
    function __construct($value)
    {
        $this->class_value = $value;
    }
    // return string value
    function __tostring(): string {
        return (string) $this->value;
    }
}
function main()
{
    /*
     * testing ksort() by providing array ofinteger/string objects with following flag values:
     *  1.SORT_NUMERIC - compare items numerically
     *  2.SORT_STRING - compare items as strings
    */
    echo "*** Testing ksort() : object functionality ***\n";
    // array of integer objects
    $unsorted_int_obj = array(11 => new IntegerObject(11), 66 => new IntegerObject(66), 23 => new IntegerObject(23), -5 => new IntegerObject(-5), 1 => new IntegerObject(0.001), 0 => new IntegerObject(0));
    // array of string objects
    $unsorted_str_obj = array("axx" => new StringObject("axx"), "t" => new StringObject("t"), "w" => new StringObject("w"), "py" => new StringObject("py"), "apple" => new StringObject("apple"), "Orange" => new StringObject("Orange"), "Lemon" => new StringObject("Lemon"), "aPPle" => new StringObject("aPPle"));
    echo "\n-- Testing ksort() by supplying various object arrays, 'flag' value is default --\n";
    // testing ksort() function by supplying integer object array, flag value is default
    $temp_array = $unsorted_int_obj;
    var_dump(ksort($temp_array));
    var_dump($temp_array);
    // testing ksort() function by supplying string object array, flag value is default
    $temp_array = $unsorted_str_obj;
    var_dump(ksort($temp_array));
    var_dump($temp_array);
    echo "\n-- Testing ksort() by supplying various object arrays, 'flag' value is SORT_REGULAR --\n";
    // testing ksort() function by supplying integer object array, flag value = SORT_REGULAR
    $temp_array = $unsorted_int_obj;
    var_dump(ksort($temp_array, SORT_REGULAR));
    var_dump($temp_array);
    // testing ksort() function by supplying string object array, flag value = SORT_REGULAR
    $temp_array = $unsorted_str_obj;
    var_dump(ksort($temp_array, SORT_REGULAR));
    var_dump($temp_array);
    echo "Done\n";
}
?>
--EXPECTF--
*** Testing ksort() : object functionality ***

-- Testing ksort() by supplying various object arrays, 'flag' value is default --
bool(true)
array(6) {
  [-5]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(-5)
  }
  [0]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(0)
  }
  [1]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    float(0.001)
  }
  [11]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(11)
  }
  [23]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(23)
  }
  [66]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(66)
  }
}
bool(true)
array(8) {
  ["Lemon"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "Lemon"
  }
  ["Orange"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(6) "Orange"
  }
  ["aPPle"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "aPPle"
  }
  ["apple"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "apple"
  }
  ["axx"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(3) "axx"
  }
  ["py"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(2) "py"
  }
  ["t"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(1) "t"
  }
  ["w"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(1) "w"
  }
}

-- Testing ksort() by supplying various object arrays, 'flag' value is SORT_REGULAR --
bool(true)
array(6) {
  [-5]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(-5)
  }
  [0]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(0)
  }
  [1]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    float(0.001)
  }
  [11]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(11)
  }
  [23]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(23)
  }
  [66]=>
  object(IntegerObject)#%d (1) {
    ["class_value"]=>
    int(66)
  }
}
bool(true)
array(8) {
  ["Lemon"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "Lemon"
  }
  ["Orange"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(6) "Orange"
  }
  ["aPPle"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "aPPle"
  }
  ["apple"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(5) "apple"
  }
  ["axx"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(3) "axx"
  }
  ["py"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(2) "py"
  }
  ["t"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(1) "t"
  }
  ["w"]=>
  object(StringObject)#%d (1) {
    ["class_value"]=>
    string(1) "w"
  }
}
Done