hphp/test/zend/good/ext-standard-array/array_slice_variation9.php

   1 <?php
   2 /* Prototype  : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
   3  * Description: Returns elements specified by offset and length
   4  * Source code: ext/standard/array.c
   5  */
   6
   7 /*
   8  * Test array_slice() when:
   9  * 1. Passed an array of referenced variables
  10  * 2. $input argument is passed by reference
  11  */
  12
  13 echo "*** Testing array_slice() : usage variations ***\n";
  14
  15 $val1 = 'one';
  16 $val2 = 'two';
  17 $val3 = 'three';
  18
  19 echo "\n-- Array of referenced variables (\$preserve_keys = default) --\n";
  20 $input = array(3 => &$val1, 2 => &$val2, 1 => &$val3);
  21 var_dump(array_slice($input, 1, 2));
  22
  23 echo "-- Change \$val2 (\$preserve_keys = TRUE) --\n";
  24 $val2 = 'hello, world';
  25 var_dump(array_slice($input, 1, 2, true));
  26
  27 echo "Done";
  28 ?>