1--TEST--
2Test json_encode() function : basic functionality
3--SKIPIF--
4<?php
5if (!extension_loaded("json")) {
6 	die('skip JSON extension not available in this build');
7}
8?>
9--FILE--
10<?php
11/* Prototype  : string json_encode  ( mixed $value  )
12 * Description: Returns the JSON representation of a value
13 * Source code: ext/json/php_json.c
14 * Alias to functions:
15 */
16echo "*** Testing json_encode() : basic functionality ***\n";
17
18//get an unset variable
19$unset_var = 10;
20unset ($unset_var);
21
22// get a resource variable
23$fp = fopen(__FILE__, "r");
24
25// get an object
26class sample  {
27}
28
29$obj = new sample();
30$obj->MyInt = 99;
31$obj->MyFloat = 123.45;
32$obj->MyBool = true;
33$obj->MyNull = null;
34$obj->MyString = "Hello World";
35
36// array with different values for $string
37$inputs =  array (
38
39		// integers
40/*1*/	0,
41  		123,
42  		-123,
43 		 2147483647,
44  		-2147483648,
45
46  		// floats
47/*6*/	123.456,
48  		1.23E3,
49  		-1.23E3,
50
51 		 // boolean
52/*9*/	TRUE,
53  		true,
54  		FALSE,
55  		false,
56
57		// NULL
58/*13*/	NULL,
59  		null,
60
61  		// strings
62/*15*/	"abc",
63        'abc',
64  		"Hello\t\tWorld\n",
65
66  		// arrays
67/*18*/	array(),
68  		array(1,2,3,4,5),
69 		array(1 => "Sun", 2=>"Mon", 3 => "Tue", 4 => "Wed", 5 => "Thur", 6 => "Fri", 7 => "Sat"),
70  		array("Jan" => 31, "Feb" => 29, "Mar" => 31, "April" => 30, "May" => 31, "June" => 30),
71
72       // empty data
73/*22*/ "",
74       '',
75
76       // undefined data
77/*24*/ @$undefined_var,
78
79       // unset data
80/*25*/ @$unset_var,
81
82       // resource variable
83/*26*/ $fp,
84
85	  // object variable
86/*27*/ $obj
87
88);
89
90// loop through with each element of the $inputs array to test json_encode() function
91$count = 1;
92foreach($inputs as $input) {
93  echo "-- Iteration $count --\n";
94  var_dump(json_encode($input));
95  $count ++;
96}
97
98?>
99===Done===
100--EXPECTF--
101*** Testing json_encode() : basic functionality ***
102-- Iteration 1 --
103string(1) "0"
104-- Iteration 2 --
105string(3) "123"
106-- Iteration 3 --
107string(4) "-123"
108-- Iteration 4 --
109string(10) "2147483647"
110-- Iteration 5 --
111string(11) "-2147483648"
112-- Iteration 6 --
113string(7) "123.456"
114-- Iteration 7 --
115string(4) "1230"
116-- Iteration 8 --
117string(5) "-1230"
118-- Iteration 9 --
119string(4) "true"
120-- Iteration 10 --
121string(4) "true"
122-- Iteration 11 --
123string(5) "false"
124-- Iteration 12 --
125string(5) "false"
126-- Iteration 13 --
127string(4) "null"
128-- Iteration 14 --
129string(4) "null"
130-- Iteration 15 --
131string(5) ""abc""
132-- Iteration 16 --
133string(5) ""abc""
134-- Iteration 17 --
135string(18) ""Hello\t\tWorld\n""
136-- Iteration 18 --
137string(2) "[]"
138-- Iteration 19 --
139string(11) "[1,2,3,4,5]"
140-- Iteration 20 --
141string(72) "{"1":"Sun","2":"Mon","3":"Tue","4":"Wed","5":"Thur","6":"Fri","7":"Sat"}"
142-- Iteration 21 --
143string(58) "{"Jan":31,"Feb":29,"Mar":31,"April":30,"May":31,"June":30}"
144-- Iteration 22 --
145string(2) """"
146-- Iteration 23 --
147string(2) """"
148-- Iteration 24 --
149string(4) "null"
150-- Iteration 25 --
151string(4) "null"
152-- Iteration 26 --
153
154Warning: json_encode(): type is unsupported, encoded as null in %s on line %d
155string(4) "null"
156-- Iteration 27 --
157string(82) "{"MyInt":99,"MyFloat":123.45,"MyBool":true,"MyNull":null,"MyString":"Hello World"}"
158===Done===