--TEST--
Test current() function : usage variations - arrays containing 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 of different data types as $array_arg to current() to test behaviour
     */
    echo "*** Testing current() : 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 $array_arg 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 current()
    $iterator = 1;
    foreach ($inputs as $key => $input) {
        echo "\n-- Iteration {$iterator} : {$key} data --\n";
        var_dump(current($input));
        $iterator++;
    }
    fclose($fp);
}
?>
--EXPECTF--
*** Testing current() : usage variations ***

-- Iteration 1 : int data --
int(0)

-- Iteration 2 : float data --
float(10.5)

-- Iteration 3 : null data --
NULL

-- Iteration 4 : bool data --
bool(true)

-- Iteration 5 : empty string data --
string(0) ""

-- Iteration 6 : empty array data --
bool(false)

-- Iteration 7 : string data --
string(6) "string"

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

-- Iteration 9 : undefined data --
NULL

-- Iteration 10 : unset data --
NULL

-- Iteration 11 : resource data --
resource(%d) of type (stream)