hphp/test/zend/bad/ext/standard/tests/class_object/class_exists_variation_002.php

   1 <?php
   2 /* Prototype  : proto bool class_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 function __autoload($className) {
   9         echo "In __autoload($className)\n";
  10 }
  11
  12 function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
  13         echo "Error: $err_no - $err_msg, $filename($linenum)\n";
  14 }
  15 set_error_handler('test_error_handler');
  16
  17 echo "*** Testing class_exists() : usage variations ***\n";
  18
  19 // Initialise function arguments not being substituted (if any)
  20 $classname = 'string_val';
  21
  22 //get an unset variable
  23 $unset_var = 10;
  24 unset ($unset_var);
  25
  26 //array of values to iterate over
  27 $values = array(
  28
  29       // int data
  30       0,
  31       1,
  32       12345,
  33       -2345,
  34
  35       // float data
  36       10.5,
  37       -10.5,
  38       10.1234567e10,
  39       10.7654321E-10,
  40       .5,
  41
  42       // array data
  43       array(),
  44       array(0),
  45       array(1),
  46       array(1, 2),
  47       array('color' => 'red', 'item' => 'pen'),
  48
  49       // null data
  50       NULL,
  51       null,
  52
  53       // boolean data
  54       true,
  55       false,
  56       TRUE,
  57       FALSE,
  58
  59       // empty data
  60       "",
  61       '',
  62
  63       // string data
  64       "string",
  65       'string',
  66
  67       // object data
  68       new stdclass(),
  69
  70       // undefined data
  71       $undefined_var,
  72
  73       // unset data
  74       $unset_var,
  75 );
  76
  77 // loop through each element of the array for autoload
  78
  79 foreach($values as $value) {
  80       echo "\nArg value $value \n";
  81       var_dump( class_exists($classname, $value) );
  82 };
  83
  84 echo "Done";
  85 ?>