hphp/test/zend/bad/ext-standard-array/array_slice_variation3.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  * Pass different data types as $length argument to array_slice to test behaviour
   9  */
  10
  11 echo "*** Testing array_slice() : usage variations ***\n";
  12
  13 // Initialise function arguments not being substituted
  14 $input_array = array('one' => 1, 2, 'three' => 3, 4);
  15 $offset = 2;
  16
  17 //get an unset variable
  18 $unset_var = 10;
  19 unset ($unset_var);
  20
  21 // heredoc string
  22 $heredoc = <<<EOT
  23 hello world
  24 EOT;
  25
  26 // unexpected values to be passed to $length argument
  27 $inputs = array(
  28
  29        // int data
  30 /*1*/  0,
  31        1,
  32        12345,
  33        -2345,
  34
  35        // float data
  36 /*5*/  10.5,
  37        -10.5,
  38        12.3456789000e10,
  39        12.3456789000E-10,
  40        .5,
  41
  42        // null data
  43 /*10*/ NULL,
  44        null,
  45
  46        // boolean data
  47 /*12*/ true,
  48        false,
  49        TRUE,
  50        FALSE,
  51
  52        // empty data
  53 /*16*/ "",
  54        '',
  55        array(),
  56
  57        // string data
  58 /*19*/ "string",
  59        'string',
  60        $heredoc,
  61
  62        // undefined data
  63 /*22*/ @$undefined_var,
  64
  65        // unset data
  66 /*23*/ @$unset_var,
  67 );
  68
  69 // loop through each element of $inputs to check the behavior of array_slice
  70 $iterator = 1;
  71 foreach($inputs as $input) {
  72   echo "\n-- Iteration $iterator --\n";
  73   var_dump( array_slice($input_array, $offset, $input) );
  74   $iterator++;
  75 };
  76
  77 echo "Done";
  78 ?>