--TEST--
Test array_shift() function : usage variations - Pass arrays of different data types
--SKIPIF--
<?php
if (true) die("skip AOT does not support undefined variables");
?>

--FILE--
<?php
// get a class
class classA
{
    public function __toString(): string {
        return "Class A object";
    }
}
function main()
{
    /*
     * Pass arrays where values are of one data type to test behaviour of array_shift()
     */
    echo "*** Testing array_shift() : usage variations ***\n";
    //get an unset variable
    $unset_var = 10;
    unset($unset_var);
    // heredoc string
    $heredoc = <<<EOT
    hello world
    EOT;
    // get a resource variable
    $fp = fopen(__FILE__, "r");
    // arrays of different data types to be passed to $stack argument
    $inputs = array(
        // int data
        /*1*/
        'int' => array(0, 1, 12345, -2345),
        // float data
        /*2*/
        'float' => array(10.5, -10.5, 123456789000.0, 1.23456789E-9, 0.5),
        // null data
        /*3*/
        'null' => array(NULL, null),
        // boolean data
        /*4*/
        'bool' => array(true, false, TRUE, FALSE),
        // empty data
        /*5*/
        'empty string' => array("", ''),
        /*6*/
        'empty array' => array(),
        // string data
        /*7*/
        'string' => array("string", 'string', $heredoc),
        // object data
        /*8*/
        'object' => array(new classA()),
        // undefined data
        /*9*/
        'undefined' => array(@$undefined_var),
        // unset data
        /*10*/
        'unset' => array(@$unset_var),
        // resource variable
        /*11*/
        'resource' => array($fp),
    );
    // loop through each element of $inputs to check the behavior of array_shift
    $iterator = 1;
    foreach ($inputs as $key => $input) {
        echo "\n-- Iteration {$iterator}: {$key} data --\n";
        var_dump(array_shift($input));
        var_dump($input);
        $iterator++;
    }
    fclose($fp);
    echo "Done";
}
?>
--EXPECTF--
*** Testing array_shift() : usage variations ***

-- Iteration 1: int data --
int(0)
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(12345)
  [2]=>
  int(-2345)
}

-- Iteration 2: float data --
float(10.5)
array(4) {
  [0]=>
  float(-10.5)
  [1]=>
  float(123456789000)
  [2]=>
  float(1.23456789E-9)
  [3]=>
  float(0.5)
}

-- Iteration 3: null data --
NULL
array(1) {
  [0]=>
  NULL
}

-- Iteration 4: bool data --
bool(true)
array(3) {
  [0]=>
  bool(false)
  [1]=>
  bool(true)
  [2]=>
  bool(false)
}

-- Iteration 5: empty string data --
string(0) ""
array(1) {
  [0]=>
  string(0) ""
}

-- Iteration 6: empty array data --
NULL
array(0) {
}

-- Iteration 7: string data --
string(6) "string"
array(2) {
  [0]=>
  string(6) "string"
  [1]=>
  string(11) "hello world"
}

-- Iteration 8: object data --
object(classA)#%d (0) {
}
array(0) {
}

-- Iteration 9: undefined data --
NULL
array(0) {
}

-- Iteration 10: unset data --
NULL
array(0) {
}

-- Iteration 11: resource data --
resource(%d) of type (stream)
array(0) {
}
Done