<?php
/* Prototype  : array array_udiff_uassoc(array arr1, array arr2 [, array ...], callback data_comp_func, callback key_comp_func)
 * Description: Returns the entries of arr1 that have values which are not present in any of the others arguments but do additional checks whether the keys are equal. Keys and elements are compared by user supplied functions. 
 * Source code: ext/standard/array.c
 * Alias to functions: 
 */

echo "*** Testing array_udiff_uassoc() : usage variation ***\n";

// Initialise function arguments not being substituted (if any)
$arr1 = array(1, 2);

include('compare_function.inc');
$data_comp_func = 'compare_function';
$key_comp_func = 'compare_function';

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

// define some classes
class classWithToString
{
	public function __toString() {
		return "Class A object";
	}
}

class classWithoutToString
{
}

// heredoc string
$heredoc = <<<EOT
hello world
EOT;

// add arrays
$index_array = array (1, 2, 3);
$assoc_array = array ('one' => 1, 'two' => 2);

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

      // int data
      'int 0' => 0,
      'int 1' => 1,
      'int 12345' => 12345,
      'int -12345' => -2345,

      // float data
      'float 10.5' => 10.5,
      'float -10.5' => -10.5,
      'float 12.3456789000e10' => 12.3456789000e10,
      'float -12.3456789000e10' => -12.3456789000e10,
      'float .5' => .5,

      // null data
      'uppercase NULL' => NULL,
      'lowercase null' => null,

      // boolean data
      'lowercase true' => true,
      'lowercase false' =>false,
      'uppercase TRUE' =>TRUE,
      'uppercase FALSE' =>FALSE,

      // empty data
      'empty string DQ' => "",
      'empty string SQ' => '',

      // string data
      'string DQ' => "string",
      'string SQ' => 'string',
      'mixed case string' => "sTrInG",
      'heredoc' => $heredoc,

      // object data
      'instance of classWithToString' => new classWithToString(),
      'instance of classWithoutToString' => new classWithoutToString(),

      // undefined data
      'undefined var' => @$undefined_var,

      // unset data
      'unset var' => @$unset_var,
);

// loop through each element of the array for arr2

foreach($inputs as $key =>$value) {
      echo "\n--$key--\n";
      var_dump( array_udiff_uassoc($arr1, $value, $data_comp_func, $key_comp_func) );
};

?>
===DONE===
