--TEST--
Test array_chunk() function : usage variations - different 'size' values  
--FILE--
<?php
/* Prototype  : array array_chunk(array $array, int $size [, bool $preserve_keys])
 * Description: Split array into chunks
 *            : Chunks an array into size large chunks
 * Source code: ext/standard/array.c
*/

/*
 * Testing array_chunk() function with following conditions
 *   1. -ve size value
 *   2. size value is more than the no. of elements in the input array
 *   3. size value is zero
 *   4. Decimal size value
*/

echo "*** Testing array_chunk() : usage variations ***\n";

// input array
$input_array = array(1, 2, 3);

// different magnitude's
$sizes = array(-1, count($input_array) + 1, 0, 1.5);

// loop through the array for size argument
foreach ($sizes as $size){
  echo "\n-- Testing array_chunk() when size = $size --\n";
  var_dump( array_chunk($input_array, $size) );
  var_dump( array_chunk($input_array, $size, true) );
  var_dump( array_chunk($input_array, $size, false) );
}
echo "Done";
?>
--EXPECTF--
*** Testing array_chunk() : usage variations ***

-- Testing array_chunk() when size = -1 --

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

-- Testing array_chunk() when size = 4 --
array(1) {
  [0]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
}
array(1) {
  [0]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
}
array(1) {
  [0]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
}

-- Testing array_chunk() when size = 0 --

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

Warning: array_chunk(): Size parameter expected to be greater than 0 in %s on line %d
NULL

-- Testing array_chunk() when size = 1.5 --
array(3) {
  [0]=>
  array(1) {
    [0]=>
    int(1)
  }
  [1]=>
  array(1) {
    [0]=>
    int(2)
  }
  [2]=>
  array(1) {
    [0]=>
    int(3)
  }
}
array(3) {
  [0]=>
  array(1) {
    [0]=>
    int(1)
  }
  [1]=>
  array(1) {
    [1]=>
    int(2)
  }
  [2]=>
  array(1) {
    [2]=>
    int(3)
  }
}
array(3) {
  [0]=>
  array(1) {
    [0]=>
    int(1)
  }
  [1]=>
  array(1) {
    [0]=>
    int(2)
  }
  [2]=>
  array(1) {
    [0]=>
    int(3)
  }
}
Done