hphp/test/zend/bad/ext-standard-math/mt_srand_variation1.php

   1 <?php
   2 /* Prototype  : void mt_srand  ([ int $seed  ] )
   3  * Description: Seed the better random number generator.
   4  * Source code: ext/standard/rand.c
   5  */
   6
   7 echo "*** Testing mt_srand() : usage variations ***\n";
   8
   9 //get an unset variable
  10 $unset_var = 10;
  11 unset ($unset_var);
  12
  13 // heredoc string
  14 $heredoc = <<<EOT
  15 abc
  16 xyz
  17 EOT;
  18
  19 // get a class
  20 class classA
  21 {
  22 }
  23
  24 // get a resource variable
  25 $fp = fopen(__FILE__, "r");
  26
  27 $inputs = array(
  28        // int data
  29 /*1*/  0,
  30        1,
  31        12345,
  32        -2345,
  33        2147483647,
  34
  35        // float data
  36 /*6*/  10.5,
  37        -10.5,
  38        12.3456789000e10,
  39        12.3456789000E-10,
  40        .5,
  41
  42        // null data
  43 /*11*/ NULL,
  44        null,
  45
  46        // boolean data
  47 /*13*/ true,
  48        false,
  49        TRUE,
  50        FALSE,
  51
  52        // empty data
  53 /*17*/ "",
  54        '',
  55        array(),
  56
  57        // string data
  58 /*20*/ "abcxyz",
  59        'abcxyz',
  60        $heredoc,
  61
  62        // object data
  63 /*23*/ new classA(),
  64
  65        // undefined data
  66 /*24*/ @$undefined_var,
  67
  68        // unset data
  69 /*25*/ @$unset_var,
  70
  71        // resource variable
  72 /*26*/ $fp
  73 );
  74
  75 // loop through each element of $inputs to check the behaviour of mt_srand()
  76 $iterator = 1;
  77 foreach($inputs as $input) {
  78         echo "\n-- Iteration $iterator --\n";
  79         var_dump(mt_srand($input));
  80         $iterator++;
  81 };
  82 fclose($fp);
  83 ?>
  84 ===Done===