--TEST--
Test printf() function : usage variations - with all types of values for arg1 argument
--FILE--
<?php
/* Prototype  : int printf  ( string $format  [, mixed $args  [, mixed $...  ]] )
 * Description: Produces output according to format .
 * Source code: ext/standard/formatted_print.c
 */

error_reporting(E_ALL & ~E_NOTICE);

echo "*** Testing printf() : with different types of values passed for arg1 argument ***\n";

// initialing required variables
$format = '%s';
$arg2 = 'third argument';

//get an unset variable
$unset_var = 10;
unset ($unset_var);

// declaring class
class sample
{
  public function __toString() {
    return "Object";
  } 
}

// creating a file resource
$file_handle = fopen(__FILE__, 'r');

//array of values to iterate over
$values = array(

	      // int data
/*1*/     0,
	      1,
	      12345,
	      -2345,
	
	      // float data
/*5*/     10.5,
	      -10.5,
	      10.1234567e10,
	      10.7654321E-10,
	      .5,
	
	      // array data
/*10*/    array(),
	      array(0),
	      array(1),
	      array(1, 2),
	      array('color' => 'red', 'item' => 'pen'),
	
	      // null data
/*15*/    NULL,
	      null,
	
	      // boolean data
/*17*/    true,
	      false,
	      TRUE,
	      FALSE,
	
	      // empty data
/*21*/    "",
	      '',
	
	      // string data
/*23*/    "string",
	      'string',
	
	      // object data
/*25*/    new sample(),
	
	      // undefined data
/*26*/    @$undefined_var,
	
	      // unset data
/*27*/    @$unset_var,
	
	      // resource data
/*28*/    $file_handle
);

// loop through each element of the array for arg1

$count = 1;
foreach($values as $value) {
  echo "\n-- Iteration $count --\n";
  
  // with two arguments
  $result = printf($format, $value);
  echo "\n";
  var_dump($result);

  // with three arguments
  $result = printf($format, $value, $arg2);
  echo "\n";
  var_dump($result);
 
  $count++;   
};

// closing the resource
fclose($file_handle);

?>
===DONE===
--EXPECTF--
*** Testing printf() : with different types of values passed for arg1 argument ***

-- Iteration 1 --
0
int(1)
0
int(1)

-- Iteration 2 --
1
int(1)
1
int(1)

-- Iteration 3 --
12345
int(5)
12345
int(5)

-- Iteration 4 --
-2345
int(5)
-2345
int(5)

-- Iteration 5 --
10.5
int(4)
10.5
int(4)

-- Iteration 6 --
-10.5
int(5)
-10.5
int(5)

-- Iteration 7 --
101234567000
int(12)
101234567000
int(12)

-- Iteration 8 --
1.07654321E-9
int(13)
1.07654321E-9
int(13)

-- Iteration 9 --
0.5
int(3)
0.5
int(3)

-- Iteration 10 --
Array
int(5)
Array
int(5)

-- Iteration 11 --
Array
int(5)
Array
int(5)

-- Iteration 12 --
Array
int(5)
Array
int(5)

-- Iteration 13 --
Array
int(5)
Array
int(5)

-- Iteration 14 --
Array
int(5)
Array
int(5)

-- Iteration 15 --

int(0)

int(0)

-- Iteration 16 --

int(0)

int(0)

-- Iteration 17 --
1
int(1)
1
int(1)

-- Iteration 18 --

int(0)

int(0)

-- Iteration 19 --
1
int(1)
1
int(1)

-- Iteration 20 --

int(0)

int(0)

-- Iteration 21 --

int(0)

int(0)

-- Iteration 22 --

int(0)

int(0)

-- Iteration 23 --
string
int(6)
string
int(6)

-- Iteration 24 --
string
int(6)
string
int(6)

-- Iteration 25 --
Object
int(6)
Object
int(6)

-- Iteration 26 --

int(0)

int(0)

-- Iteration 27 --

int(0)

int(0)

-- Iteration 28 --
Resource id #%d
int(%d)
Resource id #%d
int(%d)
===DONE===