--TEST--
Test gettype() & settype() functions : usage variatoins
--SKIPIF--
<?php
if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
?>
--INI--
precision=14
--FILE--
<?php
/* Prototype: string gettype ( mixed $var );
   Description: Returns the type of the PHP variable var

   Prototype: bool settype ( mixed &$var, string $type );
   Description: Set the type of variable var to type 
*/

/* Test usage variation of gettype() and settype() functions: 
         settype() to null type. 
   Set type of the data to "null" and verify using gettype
   Following are performed in the listed sequence:
     get the current type of the variable 
     set the type of the variable to "null type"
     dump the variable to see its new data
     get the new type of the variable
*/
     
/* function to handle catchable errors */
function foo($errno, $errstr, $errfile, $errline) {
//	var_dump($errstr);
   // print error no and error string
   echo "$errno: $errstr\n";
}
//set the error handler, this is required as
// settype() would fail with catachable fatal error 
set_error_handler("foo"); 

$var1 = "another string";
$var2 = array(2,3,4);

// a variable which is unset
$unset_var = 10.5;
unset( $unset_var );

class point
{
  var $x;
  var $y;

  function point($x, $y) {
     $this->x = $x;
     $this->y = $y;
  }

  function __toString() {
     return "ObjectPoint";
  }
}

$var_values = array ( 
  /* nulls */
  null,  

  /* boolean */
  FALSE, 
  TRUE,
  true,
 
  /* strings */
  "\xFF",
  "\x66",
  "\0123",
  "",
  '',
  " ",
  ' ',
  /* numerics in the form of string */
  '10',
  "10",
  "10string",
  '10string',
  "1",  
  "-1",
  "1e2",
  " 1",
  "2974394749328742328432",
  "-1e-2",
  '1',
  '-1',
  '1e2',
  ' 1',
  '2974394749328742328432',
  '-1e-2',
  "0xff",
  '0x55',
  '0XA55',
  '0X123',
  "0123",
  '0123',
  "-0123",
  "+0123",
  '-0123',
  '+0123',
  "-0x80001", // invalid numerics as its prefix with sign or have decimal points
  "+0x80001",
  "-0x80001.5",
  "0x80001.5",
  "@$%#$%^$%^&^",

  /* arrays */
  array(),
  array(NULL),
  array(1,2,3,4),
  array(1 => "one", 2 => "two", "3" => "three", "four" => 4),
  array(1.5, 2.4, 6.5e6),

  /* integers */
  -2147483648, // max -ne int value
  2147483647,
  2147483649,
  1232147483649,
  0x55,
  0xF674593039, // a hex value > than max int
  -0X558F,
  0555,
  -0555,
  02224242434343152, // an octal value > than max int
  
  /* floats */
  1e5,
  -1e5,
  1E5, 
  -1E5,
  -1.5,
  .5,
  -.5,
  .5e6,
  -.5e6,
  -.5e-6,
  .5e+6,
  -.5e+6,
  .512E6,
  -.512E6,
  .512E-6,
  +.512E-6,
  .512E+6,
  -.512E+6,

  new point(NULL, NULL),
  new point(2.5, 40.5),
  new point(0, 0),

  /* undefined/unset vars */
  $unset_var,
  $undef_var
);

/* test conversion to null type */                
$type = "null";

echo "\n*** Testing gettype() & settype() functions : usage variations ***\n";
echo "\n-- Setting type of data to $type --\n";
$loop_count = 1;
foreach ($var_values as $var) {
  echo "-- Iteration $loop_count --\n"; $loop_count++;

  // get the current data type 
  var_dump( gettype($var) );
  
  // convert it to null 
  var_dump( settype($var, $type) );

  // dump the converted data 
  var_dump( $var );
  
  // check the new type after conversion
  var_dump( gettype($var) );
}

echo "Done\n";
?>
--EXPECTF--	
8: Undefined variable: unset_var
8: Undefined variable: undef_var

*** Testing gettype() & settype() functions : usage variations ***

-- Setting type of data to null --
-- Iteration 1 --
string(4) "NULL"
bool(true)
NULL
string(4) "NULL"
-- Iteration 2 --
string(7) "boolean"
bool(true)
NULL
string(4) "NULL"
-- Iteration 3 --
string(7) "boolean"
bool(true)
NULL
string(4) "NULL"
-- Iteration 4 --
string(7) "boolean"
bool(true)
NULL
string(4) "NULL"
-- Iteration 5 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 6 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 7 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 8 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 9 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 10 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 11 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 12 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 13 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 14 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 15 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 16 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 17 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 18 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 19 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 20 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 21 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 22 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 23 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 24 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 25 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 26 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 27 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 28 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 29 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 30 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 31 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 32 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 33 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 34 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 35 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 36 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 37 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 38 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 39 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 40 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 41 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 42 --
string(6) "string"
bool(true)
NULL
string(4) "NULL"
-- Iteration 43 --
string(5) "array"
bool(true)
NULL
string(4) "NULL"
-- Iteration 44 --
string(5) "array"
bool(true)
NULL
string(4) "NULL"
-- Iteration 45 --
string(5) "array"
bool(true)
NULL
string(4) "NULL"
-- Iteration 46 --
string(5) "array"
bool(true)
NULL
string(4) "NULL"
-- Iteration 47 --
string(5) "array"
bool(true)
NULL
string(4) "NULL"
-- Iteration 48 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 49 --
string(7) "integer"
bool(true)
NULL
string(4) "NULL"
-- Iteration 50 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 51 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 52 --
string(7) "integer"
bool(true)
NULL
string(4) "NULL"
-- Iteration 53 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 54 --
string(7) "integer"
bool(true)
NULL
string(4) "NULL"
-- Iteration 55 --
string(7) "integer"
bool(true)
NULL
string(4) "NULL"
-- Iteration 56 --
string(7) "integer"
bool(true)
NULL
string(4) "NULL"
-- Iteration 57 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 58 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 59 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 60 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 61 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 62 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 63 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 64 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 65 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 66 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 67 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 68 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 69 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 70 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 71 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 72 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 73 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 74 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 75 --
string(6) "double"
bool(true)
NULL
string(4) "NULL"
-- Iteration 76 --
string(6) "object"
bool(true)
NULL
string(4) "NULL"
-- Iteration 77 --
string(6) "object"
bool(true)
NULL
string(4) "NULL"
-- Iteration 78 --
string(6) "object"
bool(true)
NULL
string(4) "NULL"
-- Iteration 79 --
string(4) "NULL"
bool(true)
NULL
string(4) "NULL"
-- Iteration 80 --
string(4) "NULL"
bool(true)
NULL
string(4) "NULL"
Done
