json_encode_basic.phpt   [plain text]

--TEST--
Test json_encode() function : basic functionality
--SKIPIF--
<?php if (!extension_loaded("json")) print "skip"; ?>
--FILE--
<?php
echo "*** Testing json_encode() : basic functionality ***\n";

//get an unset variable
$unset_var = 10;
unset ($unset_var);

// get a resource variable
$fp = fopen(__FILE__, "r");

// get an object
class sample  {
}

$obj = new sample();
$obj->MyInt = 99;
$obj->MyFloat = 123.45;
$obj->MyBool = true;
$obj->MyNull = null;
$obj->MyString = "Hello World";

// array with different values for $string
$inputs =  array (
	// integers
	0,
	123,
	-123,
	 2147483647,
	-2147483648,

	// floats
	123.456,
	1.23E3,
	-1.23E3,
  
	// boolean
	TRUE,
	true,
	FALSE,
	false,

	// NULL
	NULL,
	null,
  
	// strings
	"abc",
	'abc',
	"Hello\t\tWorld\n",

	// arrays
	array(),
	array(1,2,3,4,5),
	array(1 => "Sun", 2 => "Mon", 3 => "Tue", 4 => "Wed", 5 => "Thur", 6 => "Fri", 7 => "Sat"),
	array("Jan" => 31, "Feb" => 29, "Mar" => 31, "April" => 30, "May" => 31, "June" => 30),

	// empty data
	"",
	'',

	// undefined data
	@$undefined_var,

	// unset data
	@$unset_var,

	// resource variable
	$fp,

	// object variable
	$obj
  
);  

// loop through with each element of the $inputs array to test json_encode() function
$count = 1;
foreach($inputs as $input) {
	echo "-- Iteration $count --\n";
	var_dump(json_encode($input));
	$count ++;
}

?>
===Done===
--EXPECTF-- 
*** Testing json_encode() : basic functionality ***
-- Iteration 1 --
string(1) "0"
-- Iteration 2 --
string(3) "123"
-- Iteration 3 --
string(4) "-123"
-- Iteration 4 --
string(10) "2147483647"
-- Iteration 5 --
string(11) "-2147483648"
-- Iteration 6 --
string(7) "123.456"
-- Iteration 7 --
string(4) "1230"
-- Iteration 8 --
string(5) "-1230"
-- Iteration 9 --
string(4) "true"
-- Iteration 10 --
string(4) "true"
-- Iteration 11 --
string(5) "false"
-- Iteration 12 --
string(5) "false"
-- Iteration 13 --
string(4) "null"
-- Iteration 14 --
string(4) "null"
-- Iteration 15 --
string(5) ""abc""
-- Iteration 16 --
string(5) ""abc""
-- Iteration 17 --
string(18) ""Hello\t\tWorld\n""
-- Iteration 18 --
string(2) "[]"
-- Iteration 19 --
string(11) "[1,2,3,4,5]"
-- Iteration 20 --
string(72) "{"1":"Sun","2":"Mon","3":"Tue","4":"Wed","5":"Thur","6":"Fri","7":"Sat"}"
-- Iteration 21 --
string(58) "{"Jan":31,"Feb":29,"Mar":31,"April":30,"May":31,"June":30}"
-- Iteration 22 --
string(2) """"
-- Iteration 23 --
string(2) """"
-- Iteration 24 --
string(4) "null"
-- Iteration 25 --
string(4) "null"
-- Iteration 26 --
bool(false)
-- Iteration 27 --
string(82) "{"MyInt":99,"MyFloat":123.45,"MyBool":true,"MyNull":null,"MyString":"Hello World"}"
===Done===