array_unshift_object.phpt   [plain text]

--TEST--
Test array_unshift() function : passing object for 'var' argument
--FILE--
<?php
/* Prototype  : int array_unshift(array $array, mixed $var [, mixed ...])
 * Description: Pushes elements onto the beginning of the array
 * Source code: ext/standard/array.c
*/

/*
 * Testing the functionality of array_unshift() by passing 
 * an object to the $var argument
*/

echo "*** Testing array_unshift() : Passing object to \$var argument ***\n";

// simple class with a variable and method
class SimpleClass
{
  public $var1 = 1;
  public function fun1() {
    return $var1;
  }
}

// class without members
class EmptyClass
{
}

// class with only one method and no variable
class FuncClass
{
  function fun() {
    echo "No variables here";
  }
}

// abstract class
abstract class AbstractClass
{
  protected $var2 = 5;
  abstract function emptyFunction();
}

// class deriving the above abstract class
class ChildClass extends AbstractClass
{
  private $var3;
  public function emptyFunction() {
    echo "defined in child";
  }
}

// class with final method
class FinalClass
{
  private $var4;
  final function finalMethod() {
    echo "This function can't be overloaded";
  }
}

// class with static members
class StaticClass
{
  static $var5 = 2;
  public static function staticMethod() {
    echo "This is a static method";
  }
}

// array to be passed to $array argument
$array = array('f' => "first", "s" => 'second', 1, 2.222);

// array containing different types of objects as elements
$vars = array(
  new SimpleClass(),
  new EmptyClass(),
  new FuncClass(),
  new ChildClass(),
  new FinalClass(),
  new StaticClass()
);

// loop through the various elements of $arrays to check the functionality of array_unshift
$iterator = 1;
foreach($vars as $var) {
  echo "-- Iteration $iterator --\n";

  /* with default argument */
  $temp_array = $array;
  var_dump( array_unshift($temp_array, $var) );  // pushes $var to $temp_array, return sizeof($temp_array)

  // dump the resulting array
  var_dump($temp_array);

  /* with more data values to be pushed  */
  $temp_array = $array;
  var_dump( array_unshift($temp_array, $var, "hello", 'world') );  // pushes 3 more data to $temp_array, return sizeof($temp_array)

  // dump the resulting array
  var_dump($temp_array);
  $iterator++;
}

echo "Done";
?>
--EXPECTF--
*** Testing array_unshift() : Passing object to $var argument ***
-- Iteration 1 --
int(5)
array(5) {
  [0]=>
  object(SimpleClass)#%d (1) {
    ["var1"]=>
    int(1)
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(SimpleClass)#%d (1) {
    ["var1"]=>
    int(1)
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
-- Iteration 2 --
int(5)
array(5) {
  [0]=>
  object(EmptyClass)#%d (0) {
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(EmptyClass)#%d (0) {
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
-- Iteration 3 --
int(5)
array(5) {
  [0]=>
  object(FuncClass)#%d (0) {
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(FuncClass)#%d (0) {
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
-- Iteration 4 --
int(5)
array(5) {
  [0]=>
  object(ChildClass)#%d (2) {
    ["var3:private"]=>
    NULL
    ["var2:protected"]=>
    int(5)
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(ChildClass)#%d (2) {
    ["var3:private"]=>
    NULL
    ["var2:protected"]=>
    int(5)
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
-- Iteration 5 --
int(5)
array(5) {
  [0]=>
  object(FinalClass)#%d (1) {
    ["var4:private"]=>
    NULL
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(FinalClass)#%d (1) {
    ["var4:private"]=>
    NULL
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
-- Iteration 6 --
int(5)
array(5) {
  [0]=>
  object(StaticClass)#%d (0) {
  }
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [1]=>
  int(1)
  [2]=>
  float(2.222)
}
int(7)
array(7) {
  [0]=>
  object(StaticClass)#%d (0) {
  }
  [1]=>
  string(5) "hello"
  [2]=>
  string(5) "world"
  ["f"]=>
  string(5) "first"
  ["s"]=>
  string(6) "second"
  [3]=>
  int(1)
  [4]=>
  float(2.222)
}
Done