hphp/test/zend/bad/ext-standard-class_object/is_subclass_of_variation_004.php

   1 <?php
   2 /* Prototype  : proto bool is_subclass_of(object object, string class_name)
   3  * Description: Returns true if the object has this class as one of its parents
   4  * Source code: Zend/zend_builtin_functions.c
   5  * Alias to functions:
   6  */
   7 // Note: basic use cases in Zend/tests/is_a.phpt
   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
  18 echo "*** Testing is_subclass_of() : usage variations ***\n";
  19
  20 // Initialise function arguments not being substituted (if any)
  21 $class_name = 'stdClass';
  22
  23 //get an unset variable
  24 $unset_var = 10;
  25 unset ($unset_var);
  26
  27 //array of values to iterate over
  28 $values = array(
  29
  30       // int data
  31       0,
  32       1,
  33       12345,
  34       -2345,
  35
  36       // float data
  37       10.5,
  38       -10.5,
  39       10.1234567e10,
  40       10.7654321E-10,
  41       .5,
  42
  43       // array data
  44       array(),
  45       array(0),
  46       array(1),
  47       array(1, 2),
  48       array('color' => 'red', 'item' => 'pen'),
  49
  50       // null data
  51       NULL,
  52       null,
  53
  54       // boolean data
  55       true,
  56       false,
  57       TRUE,
  58       FALSE,
  59
  60       // empty data
  61       "",
  62       '',
  63
  64       // string data
  65       "string",
  66       'String',
  67
  68       // undefined data
  69       $undefined_var,
  70
  71       // unset data
  72       $unset_var,
  73 );
  74
  75 // loop through each element of the array for object
  76
  77 foreach($values as $value) {
  78       echo "\nArg value $value \n";
  79       var_dump( is_subclass_of($value, $class_name) );
  80 };
  81
  82 echo "Done";
  83 ?>