--TEST--
Test json_encode() function : basic functionality
--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
$obj = new stdClass();
$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 ++;
}

?>
--EXPECT--
*** 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"}"