hphp/test/zend/good/ext-standard-array/array_shift_variation6.php

   1 <?php
   2 /* Prototype  : mixed array_shift(array &$stack)
   3  * Description: Pops an element off the beginning of the array
   4  * Source code: ext/standard/array.c
   5  */
   6
   7 /*
   8  * Test how array_shift when passed:
   9  * 1. a variable that is referenced to an array
  10  * 2. an array that contains a referenced array
  11  */
  12
  13 echo "*** Testing array_shift() : usage variations ***\n";
  14
  15 echo "\n-- Variable is referenced array --\n";
  16 $original_array = array('zero', 'one', 'two');
  17 $copied_array = &$original_array;
  18
  19 echo "Result: ";
  20 var_dump(array_shift($copied_array));
  21 echo "\n\$original_array:\n";
  22 var_dump($original_array);
  23 echo "\n\$copied_array:\n";
  24 var_dump($copied_array);
  25
  26 echo "\n-- Element is referenced array --\n";
  27 $new_array = array (&$copied_array, 1, 'two');
  28 echo "Result: ";
  29 var_dump(array_shift($new_array[0]));
  30 echo "\n\$new_array:\n";
  31 var_dump($new_array);
  32 echo "\n\$copied_array\n";
  33 var_dump($copied_array);
  34
  35 echo "Done";
  36 ?>