hphp/test/zend/good/ext-standard-array/array_diff_ukey_variation7.php

   1 <?php
   2 /* Prototype  : array array_diff_ukey(array arr1, array arr2 [, array ...], callback key_comp_func)
   3  * Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments.
   4  * Source code: ext/standard/array.c
   5  */
   6
   7 echo "*** Testing array_diff_ukey() : usage variation ***\n";
   8
   9 // Initialise function arguments not being substituted (if any)
  10 $input_array = array(0 => '0', 10 => '10', -10 => '-10', 20 =>'20');
  11 $float_indx_array = array(0.0 => '0.0', 10.5 => '10.5', -30.5 => '-30.5');
  12
  13 function key_compare_func($key1, $key2)
  14 {
  15   return strcasecmp($key1, $key2);
  16 }
  17
  18 echo "\n-- Testing array_diff_ukey() function with float indexed array --\n";
  19
  20 var_dump( array_diff_ukey($float_indx_array, $input_array, 'key_compare_func') );
  21 var_dump( array_diff_ukey($input_array, $float_indx_array, 'key_compare_func') );
  22
  23 ?>
  24 ===DONE===