hphp/test/zend/bad/ext-standard-array/array_diff_ukey_variation10.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 //Initialize variables
  10 $array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
  11 $array2 = array("a" => "green", "yellow", "red");
  12
  13 //function name within double quotes
  14 var_dump( array_diff_ukey($array1, $array1, "unknown_function") );
  15
  16 //function name within single quotes
  17 var_dump( array_diff_ukey($array1, $array1, 'unknown_function') );
  18
  19 //function name without quotes
  20 var_dump( array_diff_ukey($array1, $array1, unknown_function) );
  21
  22 ?>
  23 ===DONE===