hphp/test/zend/bad/ext-standard-general_functions/is_bool.php

   1 <?php
   2 /* Prototype: bool is_bool ( mixed $var );
   3  * Description: Finds whether the given variable is a boolean
   4  */
   5
   6 echo "*** Testing is_bool() with valid boolean values ***\n";
   7 // different valid  boolean vlaues
   8 $valid_bools = array(
   9   TRUE,
  10   FALSE,
  11   true,
  12   false,
  13 );
  14 /* loop to check that is_bool() recognizes different
  15    bool values, expected output: bool(true) */
  16 $loop_counter = 1;
  17 foreach ($valid_bools as $bool_val ) {
  18   echo "-- Iteration $loop_counter --\n"; $loop_counter++;
  19   var_dump( is_bool($bool_val) );
  20 }
  21
  22 echo "\n*** Testing is_bool() on non boolean values ***\n";
  23
  24 // get a resource type variable
  25 $fp = fopen (__FILE__, "r");
  26 $dfp = opendir ( dirname(__FILE__) );
  27
  28 // unset variable
  29 $unset_bool1 = true;
  30 $unset_bool2 = false;
  31 $unset_var = 0;
  32 unset ($unset_bool1);
  33 unset ($unset_bool2);
  34 unset ($unset_var);
  35
  36 // other types in a array
  37 $not_bool_types = array (
  38   /* integers */
  39   0,
  40   1,
  41   -1,
  42   -0,
  43   543915,
  44   -5322,
  45   0x0,
  46   0x1,
  47   0x55F,
  48   -0xCCF,
  49   0123,
  50   -0654,
  51   00,
  52   01,
  53
  54   /* strings */
  55   "",
  56   '',
  57   "0",
  58   '0',
  59   "1",
  60   '1',
  61   'string',
  62   "string",
  63   "true",
  64   "false",
  65   "FALSE",
  66   "TRUE",
  67   'true',
  68   'false',
  69   'FALSE',
  70   'TRUE',
  71   "NULL",
  72   "null",
  73
  74   /* floats */
  75   0.0,
  76   1.0,
  77   -1.0,
  78   10.0000000000000000005,
  79   .5e6,
  80   -.5E7,
  81   .5E+8,
  82   -.5e+90,
  83   1e5,
  84   -1e5,
  85   1E5,
  86   -1E7,
  87
  88   /* objects */
  89   new stdclass,
  90
  91   /* resources */
  92   $fp,
  93   $dfp,
  94
  95   /* nulls */
  96   null,
  97   NULL,
  98
  99   /* arrays */
 100   array(),
 101   array(0),
 102   array(1),
 103   array(NULL),
 104   array(null),
 105   array("string"),
 106   array(true),
 107   array(TRUE),
 108   array(false),
 109   array(FALSE),
 110   array(1,2,3,4),
 111   array(1 => "One", "two" => 2),
 112
 113   /* unset bool vars and undefined var */
 114   @$unset_bool1,
 115   @$unset_bool2,
 116   @$unset_var,
 117   @$undefined_var
 118 );
 119 /* loop through the $not_bool_types to see working of
 120    is_bool() on non bull types, expected output: bool(false) */
 121 $loop_counter = 1;
 122 foreach ($not_bool_types as $type ) {
 123   echo "-- Iteration $loop_counter --\n"; $loop_counter++;
 124   var_dump( is_bool($type) );
 125 }
 126
 127 echo "\n*** Testing error conditions ***\n";
 128 //Zero argument
 129 var_dump( is_bool() );
 130
 131 //arguments more than expected
 132 var_dump( is_bool(TRUE, FALSE) );
 133
 134 echo "Done\n";
 135
 136 // close resources
 137 fclose($fp);
 138 closedir($dfp);
 139
 140 ?>