hphp/test/zend/bad/ext-standard-class_object/interface_exists_variation1.php

   1 <?php
   2 /* Prototype  : bool interface_exists(string classname [, bool autoload])
   3  * Description: Checks if the class exists
   4  * Source code: Zend/zend_builtin_functions.c
   5  * Alias to functions:
   6  */
   7
   8 echo "*** Testing interface_exists() : usage variation ***\n";
   9
  10 // Initialise function arguments not being substituted (if any)
  11 $autoload = true;
  12
  13 //get an unset variable
  14 $unset_var = 10;
  15 unset ($unset_var);
  16
  17 // define some classes
  18 class classWithToString
  19 {
  20         public function __toString() {
  21                 return "Class A object";
  22         }
  23 }
  24
  25 class classWithoutToString
  26 {
  27 }
  28
  29 // heredoc string
  30 $heredoc = <<<EOT
  31 hello world
  32 EOT;
  33
  34 // add arrays
  35 $index_array = array (1, 2, 3);
  36 $assoc_array = array ('one' => 1, 'two' => 2);
  37
  38 //array of values to iterate over
  39 $inputs = array(
  40
  41       // int data
  42       'int 0' => 0,
  43       'int 1' => 1,
  44       'int 12345' => 12345,
  45       'int -12345' => -2345,
  46
  47       // float data
  48       'float 10.5' => 10.5,
  49       'float -10.5' => -10.5,
  50       'float 12.3456789000e10' => 12.3456789000e10,
  51       'float -12.3456789000e10' => -12.3456789000e10,
  52       'float .5' => .5,
  53
  54       // array data
  55       'empty array' => array(),
  56       'int indexed array' => $index_array,
  57       'associative array' => $assoc_array,
  58       'nested arrays' => array('foo', $index_array, $assoc_array),
  59
  60       // null data
  61       'uppercase NULL' => NULL,
  62       'lowercase null' => null,
  63
  64       // boolean data
  65       'lowercase true' => true,
  66       'lowercase false' =>false,
  67       'uppercase TRUE' =>TRUE,
  68       'uppercase FALSE' =>FALSE,
  69
  70       // empty data
  71       'empty string DQ' => "",
  72       'empty string SQ' => '',
  73
  74       // object data
  75       'instance of classWithToString' => new classWithToString(),
  76       'instance of classWithoutToString' => new classWithoutToString(),
  77
  78       // undefined data
  79       'undefined var' => @$undefined_var,
  80
  81       // unset data
  82       'unset var' => @$unset_var,
  83 );
  84
  85 // loop through each element of the array for classname
  86
  87 foreach($inputs as $key =>$value) {
  88       echo "\n--$key--\n";
  89       var_dump( interface_exists($value, $autoload) );
  90 };
  91
  92 ?>
  93 ===DONE===