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wordpress-azure/wp-includes/class-json.php at linux-appservice · MissionBit/wordpress-azure · GitHub
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<?php
_deprecated_file
(
basename
(
__FILE__
),
'
5.3.0
'
,
''
,
'
The PHP native JSON extension is now a requirement.
'
);
if
( !
class_exists
(
'
Services_JSON
'
) ) :
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Converts to and from JSON format.
*
* JSON (JavaScript Object Notation) is a lightweight data-interchange
* format. It is easy for humans to read and write. It is easy for machines
* to parse and generate. It is based on a subset of the JavaScript
* Programming Language, Standard ECMA-262 3rd Edition - December 1999.
* This feature can also be found in Python. JSON is a text format that is
* completely language independent but uses conventions that are familiar
* to programmers of the C-family of languages, including C, C++, C#, Java,
* JavaScript, Perl, TCL, and many others. These properties make JSON an
* ideal data-interchange language.
*
* This package provides a simple encoder and decoder for JSON notation. It
* is intended for use with client-side JavaScript applications that make
* use of HTTPRequest to perform server communication functions - data can
* be encoded into JSON notation for use in a client-side javaScript, or
* decoded from incoming JavaScript requests. JSON format is native to
* JavaScript, and can be directly eval()'ed with no further parsing
* overhead
*
* All strings should be in ASCII or UTF-8 format!
*
* LICENSE: Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met: Redistributions of source code must retain the
* above copyright notice, this list of conditions and the following
* disclaimer. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* @category
* @package Services_JSON
* @author Michal Migurski <mike-json@teczno.com>
* @author Matt Knapp <mdknapp[at]gmail[dot]com>
* @author Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
* @copyright 2005 Michal Migurski
* @version CVS: $Id: JSON.php 305040 2010-11-02 23:19:03Z alan_k $
* @license http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=198
*/
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define
(
'
SERVICES_JSON_SLICE
'
,
1
);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define
(
'
SERVICES_JSON_IN_STR
'
,
2
);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define
(
'
SERVICES_JSON_IN_ARR
'
,
3
);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define
(
'
SERVICES_JSON_IN_OBJ
'
,
4
);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define
(
'
SERVICES_JSON_IN_CMT
'
,
5
);
/**
* Behavior switch for Services_JSON::decode()
*/
define
(
'
SERVICES_JSON_LOOSE_TYPE
'
,
16
);
/**
* Behavior switch for Services_JSON::decode()
*/
define
(
'
SERVICES_JSON_SUPPRESS_ERRORS
'
,
32
);
/**
* Behavior switch for Services_JSON::decode()
*/
define
(
'
SERVICES_JSON_USE_TO_JSON
'
,
64
);
/**
* Converts to and from JSON format.
*
* Brief example of use:
*
* <code>
* // create a new instance of Services_JSON
* $json = new Services_JSON();
*
* // convert a complex value to JSON notation, and send it to the browser
* $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
* $output = $json->encode($value);
*
* print($output);
* // prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
*
* // accept incoming POST data, assumed to be in JSON notation
* $input = file_get_contents('php://input', 1000000);
* $value = $json->decode($input);
* </code>
*/
class
Services_JSON
{
/**
* constructs a new JSON instance
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param int $use object behavior flags; combine with boolean-OR
*
* possible values:
* - SERVICES_JSON_LOOSE_TYPE: loose typing.
* "{...}" syntax creates associative arrays
* instead of objects in decode().
* - SERVICES_JSON_SUPPRESS_ERRORS: error suppression.
* Values which can't be encoded (e.g. resources)
* appear as NULL instead of throwing errors.
* By default, a deeply-nested resource will
* bubble up with an error, so all return values
* from encode() should be checked with isError()
* - SERVICES_JSON_USE_TO_JSON: call toJSON when serializing objects
* It serializes the return value from the toJSON call rather
* than the object itself, toJSON can return associative arrays,
* strings or numbers, if you return an object, make sure it does
* not have a toJSON method, otherwise an error will occur.
*/
function
__construct
(
$
use
=
0
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
$
this
->
use
=
$
use
;
$
this
->
_mb_strlen
=
function_exists
(
'
mb_strlen
'
);
$
this
->
_mb_convert_encoding
=
function_exists
(
'
mb_convert_encoding
'
);
$
this
->
_mb_substr
=
function_exists
(
'
mb_substr
'
);
}
/**
* PHP4 constructor.
*
* @deprecated 5.3.0 Use __construct() instead.
*
* @see Services_JSON::__construct()
*/
public
function
Services_JSON
(
$
use
=
0
) {
_deprecated_constructor
(
'
Services_JSON
'
,
'
5.3.0
'
,
get_class
(
$
this
) );
self
::
__construct
(
$
use
);
}
// private - cache the mbstring lookup results..
var
$
_mb_strlen
=
false
;
var
$
_mb_substr
=
false
;
var
$
_mb_convert_encoding
=
false
;
/**
* convert a string from one UTF-16 char to one UTF-8 char
*
* Normally should be handled by mb_convert_encoding, but
* provides a slower PHP-only method for installations
* that lack the multibye string extension.
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string $utf16 UTF-16 character
* @return string UTF-8 character
* @access private
*/
function
utf162utf8
(
$
utf16
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
// oh please oh please oh please oh please oh please
if
(
$
this
->
_mb_convert_encoding
) {
return
mb_convert_encoding
(
$
utf16
,
'
UTF-8
'
,
'
UTF-16
'
);
}
$
bytes
= (
ord
(
$
utf16
[
0
]) <<
8
) |
ord
(
$
utf16
[
1
]);
switch
(
true
) {
case
((
0x7F
&
$
bytes
) ==
$
bytes
):
// this case should never be reached, because we are in ASCII range
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
chr
(
0x7F
&
$
bytes
);
case
(
0x07FF
&
$
bytes
) ==
$
bytes
:
// return a 2-byte UTF-8 character
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
chr
(
0xC0
| ((
$
bytes
>>
6
) &
0x1F
))
.
chr
(
0x80
| (
$
bytes
&
0x3F
));
case
(
0xFFFF
&
$
bytes
) ==
$
bytes
:
// return a 3-byte UTF-8 character
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
chr
(
0xE0
| ((
$
bytes
>>
12
) &
0x0F
))
.
chr
(
0x80
| ((
$
bytes
>>
6
) &
0x3F
))
.
chr
(
0x80
| (
$
bytes
&
0x3F
));
}
// ignoring UTF-32 for now, sorry
return
''
;
}
/**
* convert a string from one UTF-8 char to one UTF-16 char
*
* Normally should be handled by mb_convert_encoding, but
* provides a slower PHP-only method for installations
* that lack the multibyte string extension.
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string $utf8 UTF-8 character
* @return string UTF-16 character
* @access private
*/
function
utf82utf16
(
$
utf8
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
// oh please oh please oh please oh please oh please
if
(
$
this
->
_mb_convert_encoding
) {
return
mb_convert_encoding
(
$
utf8
,
'
UTF-16
'
,
'
UTF-8
'
);
}
switch
(
$
this
->
strlen8
(
$
utf8
)) {
case
1
:
// this case should never be reached, because we are in ASCII range
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
$
utf8
;
case
2
:
// return a UTF-16 character from a 2-byte UTF-8 char
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
chr
(
0x07
& (
ord
(
$
utf8
[
0
]) >>
2
))
.
chr
((
0xC0
& (
ord
(
$
utf8
[
0
]) <<
6
))
| (
0x3F
&
ord
(
$
utf8
[
1
])));
case
3
:
// return a UTF-16 character from a 3-byte UTF-8 char
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return
chr
((
0xF0
& (
ord
(
$
utf8
[
0
]) <<
4
))
| (
0x0F
& (
ord
(
$
utf8
[
1
]) >>
2
)))
.
chr
((
0xC0
& (
ord
(
$
utf8
[
1
]) <<
6
))
| (
0x7F
&
ord
(
$
utf8
[
2
])));
}
// ignoring UTF-32 for now, sorry
return
''
;
}
/**
* encodes an arbitrary variable into JSON format (and sends JSON Header)
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a string, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function
encode
(
$
var
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
header
(
'
Content-type: application/json
'
);
return
$
this
->
encodeUnsafe
(
$
var
);
}
/**
* encodes an arbitrary variable into JSON format without JSON Header - warning - may allow XSS!!!!)
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a string, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function
encodeUnsafe
(
$
var
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
// see bug #16908 - regarding numeric locale printing
$
lc
=
setlocale
(
LC_NUMERIC
,
0
);
setlocale
(
LC_NUMERIC
,
'
C
'
);
$
ret
=
$
this
->
_encode
(
$
var
);
setlocale
(
LC_NUMERIC
,
$
lc
);
return
$
ret
;
}
/**
* PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a string, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function
_encode
(
$
var
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
switch
(
gettype
(
$
var
)) {
case
'
boolean
'
:
return
$
var
?
'
true
'
:
'
false
'
;
case
'
NULL
'
:
return
'
null
'
;
case
'
integer
'
:
return
(
int
)
$
var
;
case
'
double
'
:
case
'
float
'
:
return
(
float
)
$
var
;
case
'
string
'
:
// STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
$
ascii
=
''
;
$
strlen_var
=
$
this
->
strlen8
(
$
var
);
/*
* Iterate over every character in the string,
* escaping with a slash or encoding to UTF-8 where necessary
*/
for
(
$
c
=
0
;
$
c
<
$
strlen_var
; ++
$
c
) {
$
ord_var_c
=
ord
(
$
var
[
$
c
]);
switch
(
true
) {
case
$
ord_var_c
==
0x08
:
$
ascii
.=
'
\b
'
;
break
;
case
$
ord_var_c
==
0x09
:
$
ascii
.=
'
\t
'
;
break
;
case
$
ord_var_c
==
0x0A
:
$
ascii
.=
'
\n
'
;
break
;
case
$
ord_var_c
==
0x0C
:
$
ascii
.=
'
\f
'
;
break
;
case
$
ord_var_c
==
0x0D
:
$
ascii
.=
'
\r
'
;
break
;
case
$
ord_var_c
==
0x22
:
case
$
ord_var_c
==
0x2F
:
case
$
ord_var_c
==
0x5C
:
// double quote, slash, slosh
$
ascii
.=
'\\'
.
$
var
[
$
c
];
break
;
case
((
$
ord_var_c
>=
0x20
) && (
$
ord_var_c
<=
0x7F
)):
// characters U-00000000 - U-0000007F (same as ASCII)
$
ascii
.=
$
var
[
$
c
];
break
;
case
((
$
ord_var_c
&
0xE0
) ==
0xC0
):
// characters U-00000080 - U-000007FF, mask 110XXXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
if
(
$
c
+
1
>=
$
strlen_var
) {
$
c
+=
1
;
$
ascii
.=
'
?
'
;
break
;
}
$
char
=
pack
(
'
C*
'
,
$
ord_var_c
,
ord
(
$
var
[
$
c
+
1
]));
$
c
+=
1
;
$
utf16
=
$
this
->
utf82utf16
(
$
char
);
$
ascii
.=
sprintf
(
'
\u%04s
'
,
bin2hex
(
$
utf16
));
break
;
case
((
$
ord_var_c
&
0xF0
) ==
0xE0
):
if
(
$
c
+
2
>=
$
strlen_var
) {
$
c
+=
2
;
$
ascii
.=
'
?
'
;
break
;
}
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
char
=
pack
(
'
C*
'
,
$
ord_var_c
,
@
ord
(
$
var
[
$
c
+
1
]),
@
ord
(
$
var
[
$
c
+
2
]));
$
c
+=
2
;
$
utf16
=
$
this
->
utf82utf16
(
$
char
);
$
ascii
.=
sprintf
(
'
\u%04s
'
,
bin2hex
(
$
utf16
));
break
;
case
((
$
ord_var_c
&
0xF8
) ==
0xF0
):
if
(
$
c
+
3
>=
$
strlen_var
) {
$
c
+=
3
;
$
ascii
.=
'
?
'
;
break
;
}
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
char
=
pack
(
'
C*
'
,
$
ord_var_c
,
ord
(
$
var
[
$
c
+
1
]),
ord
(
$
var
[
$
c
+
2
]),
ord
(
$
var
[
$
c
+
3
]));
$
c
+=
3
;
$
utf16
=
$
this
->
utf82utf16
(
$
char
);
$
ascii
.=
sprintf
(
'
\u%04s
'
,
bin2hex
(
$
utf16
));
break
;
case
((
$
ord_var_c
&
0xFC
) ==
0xF8
):
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
if
(
$
c
+
4
>=
$
strlen_var
) {
$
c
+=
4
;
$
ascii
.=
'
?
'
;
break
;
}
$
char
=
pack
(
'
C*
'
,
$
ord_var_c
,
ord
(
$
var
[
$
c
+
1
]),
ord
(
$
var
[
$
c
+
2
]),
ord
(
$
var
[
$
c
+
3
]),
ord
(
$
var
[
$
c
+
4
]));
$
c
+=
4
;
$
utf16
=
$
this
->
utf82utf16
(
$
char
);
$
ascii
.=
sprintf
(
'
\u%04s
'
,
bin2hex
(
$
utf16
));
break
;
case
((
$
ord_var_c
&
0xFE
) ==
0xFC
):
if
(
$
c
+
5
>=
$
strlen_var
) {
$
c
+=
5
;
$
ascii
.=
'
?
'
;
break
;
}
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
char
=
pack
(
'
C*
'
,
$
ord_var_c
,
ord
(
$
var
[
$
c
+
1
]),
ord
(
$
var
[
$
c
+
2
]),
ord
(
$
var
[
$
c
+
3
]),
ord
(
$
var
[
$
c
+
4
]),
ord
(
$
var
[
$
c
+
5
]));
$
c
+=
5
;
$
utf16
=
$
this
->
utf82utf16
(
$
char
);
$
ascii
.=
sprintf
(
'
\u%04s
'
,
bin2hex
(
$
utf16
));
break
;
}
}
return
'
"
'
.
$
ascii
.
'
"
'
;
case
'
array
'
:
/*
* As per JSON spec if any array key is not an integer
* we must treat the whole array as an object. We
* also try to catch a sparsely populated associative
* array with numeric keys here because some JS engines
* will create an array with empty indexes up to
* max_index which can cause memory issues and because
* the keys, which may be relevant, will be remapped
* otherwise.
*
* As per the ECMA and JSON specification an object may
* have any string as a property. Unfortunately due to
* a hole in the ECMA specification if the key is a
* ECMA reserved word or starts with a digit the
* parameter is only accessible using ECMAScript's
* bracket notation.
*/
// treat as a JSON object
if
(
is_array
(
$
var
) &&
count
(
$
var
) && (
array_keys
(
$
var
) !==
range
(
0
,
sizeof
(
$
var
) -
1
))) {
$
properties
=
array_map
(
array
(
$
this
,
'
name_value
'
),
array_keys
(
$
var
),
array_values
(
$
var
));
foreach
(
$
properties
as
$
property
) {
if
(Services_JSON::
isError
(
$
property
)) {
return
$
property
;
}
}
return
'
{
'
.
join
(
'
,
'
,
$
properties
) .
'
}
'
;
}
// treat it like a regular array
$
elements
=
array_map
(
array
(
$
this
,
'
_encode
'
),
$
var
);
foreach
(
$
elements
as
$
element
) {
if
(Services_JSON::
isError
(
$
element
)) {
return
$
element
;
}
}
return
'
[
'
.
join
(
'
,
'
,
$
elements
) .
'
]
'
;
case
'
object
'
:
// support toJSON methods.
if
((
$
this
->
use
&
SERVICES_JSON_USE_TO_JSON
) &&
method_exists
(
$
var
,
'
toJSON
'
)) {
// this may end up allowing unlimited recursion
// so we check the return value to make sure it's not got the same method.
$
recode
=
$
var
->
toJSON
();
if
(
method_exists
(
$
recode
,
'
toJSON
'
)) {
return
(
$
this
->
use
&
SERVICES_JSON_SUPPRESS_ERRORS
)
?
'
null
'
:
new
Services_JSON_Error
(
get_class
(
$
var
).
"
toJSON returned an object with a toJSON method.
"
);
}
return
$
this
->
_encode
(
$
recode
);
}
$
vars
=
get_object_vars
(
$
var
);
$
properties
=
array_map
(
array
(
$
this
,
'
name_value
'
),
array_keys
(
$
vars
),
array_values
(
$
vars
));
foreach
(
$
properties
as
$
property
) {
if
(Services_JSON::
isError
(
$
property
)) {
return
$
property
;
}
}
return
'
{
'
.
join
(
'
,
'
,
$
properties
) .
'
}
'
;
default
:
return
(
$
this
->
use
&
SERVICES_JSON_SUPPRESS_ERRORS
)
?
'
null
'
:
new
Services_JSON_Error
(
gettype
(
$
var
).
"
can not be encoded as JSON string
"
);
}
}
/**
* array-walking function for use in generating JSON-formatted name-value pairs
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string $name name of key to use
* @param mixed $value reference to an array element to be encoded
*
* @return string JSON-formatted name-value pair, like '"name":value'
* @access private
*/
function
name_value
(
$
name
,
$
value
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
$
encoded_value
=
$
this
->
_encode
(
$
value
);
if
(Services_JSON::
isError
(
$
encoded_value
)) {
return
$
encoded_value
;
}
return
$
this
->
_encode
((
string
)
$
name
) .
'
:
'
.
$
encoded_value
;
}
/**
* reduce a string by removing leading and trailing comments and whitespace
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param $str string string value to strip of comments and whitespace
*
* @return string string value stripped of comments and whitespace
* @access private
*/
function
reduce_string
(
$
str
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
$
str
=
preg_replace
(
array
(
// eliminate single line comments in '// ...' form
'
#^\s*//(.+)$#m
'
,
// eliminate multi-line comments in '/* ... */' form, at start of string
'
#^\s*/\*(.+)\*/#Us
'
,
// eliminate multi-line comments in '/* ... */' form, at end of string
'
#/\*(.+)\*/\s*$#Us
'
),
''
,
$
str
);
// eliminate extraneous space
return
trim
(
$
str
);
}
/**
* decodes a JSON string into appropriate variable
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string $str JSON-formatted string
*
* @return mixed number, boolean, string, array, or object
* corresponding to given JSON input string.
* See argument 1 to Services_JSON() above for object-output behavior.
* Note that decode() always returns strings
* in ASCII or UTF-8 format!
* @access public
*/
function
decode
(
$
str
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
$
str
=
$
this
->
reduce_string
(
$
str
);
switch
(
strtolower
(
$
str
)) {
case
'
true
'
:
return
true
;
case
'
false
'
:
return
false
;
case
'
null
'
:
return
null
;
default
:
$
m
=
array
();
if
(
is_numeric
(
$
str
)) {
// Lookie-loo, it's a number
// This would work on its own, but I'm trying to be
// good about returning integers where appropriate:
// return (float)$str;
// Return float or int, as appropriate
return
((
float
)
$
str
== (
integer
)
$
str
)
? (
integer
)
$
str
: (
float
)
$
str
;
}
elseif
(
preg_match
(
'
/^("|
\'
).*(\1)$/s
'
,
$
str
,
$
m
) &&
$
m
[
1
] ==
$
m
[
2
]) {
// STRINGS RETURNED IN UTF-8 FORMAT
$
delim
=
$
this
->
substr8
(
$
str
,
0
,
1
);
$
chrs
=
$
this
->
substr8
(
$
str
,
1
, -
1
);
$
utf8
=
''
;
$
strlen_chrs
=
$
this
->
strlen8
(
$
chrs
);
for
(
$
c
=
0
;
$
c
<
$
strlen_chrs
; ++
$
c
) {
$
substr_chrs_c_2
=
$
this
->
substr8
(
$
chrs
,
$
c
,
2
);
$
ord_chrs_c
=
ord
(
$
chrs
[
$
c
]);
switch
(
true
) {
case
$
substr_chrs_c_2
==
'
\b
'
:
$
utf8
.=
chr
(
0x08
);
++
$
c
;
break
;
case
$
substr_chrs_c_2
==
'
\t
'
:
$
utf8
.=
chr
(
0x09
);
++
$
c
;
break
;
case
$
substr_chrs_c_2
==
'
\n
'
:
$
utf8
.=
chr
(
0x0A
);
++
$
c
;
break
;
case
$
substr_chrs_c_2
==
'
\f
'
:
$
utf8
.=
chr
(
0x0C
);
++
$
c
;
break
;
case
$
substr_chrs_c_2
==
'
\r
'
:
$
utf8
.=
chr
(
0x0D
);
++
$
c
;
break
;
case
$
substr_chrs_c_2
==
'\\
"
'
:
case
$
substr_chrs_c_2
==
'\\\''
:
case
$
substr_chrs_c_2
==
'\\\\'
:
case
$
substr_chrs_c_2
==
'\\
/
'
:
if
((
$
delim
==
'
"
'
&&
$
substr_chrs_c_2
!=
'\\\''
) ||
(
$
delim
==
"
'
"
&&
$
substr_chrs_c_2
!=
'\\
"
'
)) {
$
utf8
.=
$
chrs
[++
$
c
];
}
break
;
case
preg_match
(
'
/
\\
\u[0-9A-F]{4}/i
'
,
$
this
->
substr8
(
$
chrs
,
$
c
,
6
)):
// single, escaped unicode character
$
utf16
=
chr
(
hexdec
(
$
this
->
substr8
(
$
chrs
, (
$
c
+
2
),
2
)))
.
chr
(
hexdec
(
$
this
->
substr8
(
$
chrs
, (
$
c
+
4
),
2
)));
$
utf8
.=
$
this
->
utf162utf8
(
$
utf16
);
$
c
+=
5
;
break
;
case
(
$
ord_chrs_c
>=
0x20
) && (
$
ord_chrs_c
<=
0x7F
):
$
utf8
.=
$
chrs
[
$
c
];
break
;
case
(
$
ord_chrs_c
&
0xE0
) ==
0xC0
:
// characters U-00000080 - U-000007FF, mask 110XXXXX
//see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
utf8
.=
$
this
->
substr8
(
$
chrs
,
$
c
,
2
);
++
$
c
;
break
;
case
(
$
ord_chrs_c
&
0xF0
) ==
0xE0
:
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
utf8
.=
$
this
->
substr8
(
$
chrs
,
$
c
,
3
);
$
c
+=
2
;
break
;
case
(
$
ord_chrs_c
&
0xF8
) ==
0xF0
:
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
utf8
.=
$
this
->
substr8
(
$
chrs
,
$
c
,
4
);
$
c
+=
3
;
break
;
case
(
$
ord_chrs_c
&
0xFC
) ==
0xF8
:
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
utf8
.=
$
this
->
substr8
(
$
chrs
,
$
c
,
5
);
$
c
+=
4
;
break
;
case
(
$
ord_chrs_c
&
0xFE
) ==
0xFC
:
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$
utf8
.=
$
this
->
substr8
(
$
chrs
,
$
c
,
6
);
$
c
+=
5
;
break
;
}
}
return
$
utf8
;
}
elseif
(
preg_match
(
'
/^\[.*\]$/s
'
,
$
str
) ||
preg_match
(
'
/^\{.*\}$/s
'
,
$
str
)) {
// array, or object notation
if
(
$
str
[
0
] ==
'
[
'
) {
$
stk
=
array
(
SERVICES_JSON_IN_ARR
);
$
arr
=
array
();
}
else
{
if
(
$
this
->
use
&
SERVICES_JSON_LOOSE_TYPE
) {
$
stk
=
array
(
SERVICES_JSON_IN_OBJ
);
$
obj
=
array
();
}
else
{
$
stk
=
array
(
SERVICES_JSON_IN_OBJ
);
$
obj
=
new
stdClass
();
}
}
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_SLICE
,
'
where
'
=>
0
,
'
delim
'
=>
false
));
$
chrs
=
$
this
->
substr8
(
$
str
,
1
, -
1
);
$
chrs
=
$
this
->
reduce_string
(
$
chrs
);
if
(
$
chrs
==
''
) {
if
(
reset
(
$
stk
) ==
SERVICES_JSON_IN_ARR
) {
return
$
arr
;
}
else
{
return
$
obj
;
}
}
//print("\nparsing {$chrs}\n");
$
strlen_chrs
=
$
this
->
strlen8
(
$
chrs
);
for
(
$
c
=
0
;
$
c
<=
$
strlen_chrs
; ++
$
c
) {
$
top
=
end
(
$
stk
);
$
substr_chrs_c_2
=
$
this
->
substr8
(
$
chrs
,
$
c
,
2
);
if
((
$
c
==
$
strlen_chrs
) || ((
$
chrs
[
$
c
] ==
'
,
'
) && (
$
top
[
'
what
'
] ==
SERVICES_JSON_SLICE
))) {
// found a comma that is not inside a string, array, etc.,
// OR we've reached the end of the character list
$
slice
=
$
this
->
substr8
(
$
chrs
,
$
top
[
'
where
'
], (
$
c
-
$
top
[
'
where
'
]));
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_SLICE
,
'
where
'
=> (
$
c
+
1
),
'
delim
'
=>
false
));
//print("Found split at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
if
(
reset
(
$
stk
) ==
SERVICES_JSON_IN_ARR
) {
// we are in an array, so just push an element onto the stack
array_push
(
$
arr
,
$
this
->
decode
(
$
slice
));
}
elseif
(
reset
(
$
stk
) ==
SERVICES_JSON_IN_OBJ
) {
// we are in an object, so figure
// out the property name and set an
// element in an associative array,
// for now
$
parts
=
array
();
if
(
preg_match
(
'
/^\s*(["
\'
].*[^
\\
\]["
\'
])\s*:/Uis
'
,
$
slice
,
$
parts
)) {
// "name":value pair
$
key
=
$
this
->
decode
(
$
parts
[
1
]);
$
val
=
$
this
->
decode
(
trim
(
substr
(
$
slice
,
strlen
(
$
parts
[
0
])),
"
,
\t\n\r\0\x0B"
));
if
(
$
this
->
use
&
SERVICES_JSON_LOOSE_TYPE
) {
$
obj
[
$
key
] =
$
val
;
}
else
{
$
obj
->
$
key
=
$
val
;
}
}
elseif
(
preg_match
(
'
/^\s*(\w+)\s*:/Uis
'
,
$
slice
,
$
parts
)) {
// name:value pair, where name is unquoted
$
key
=
$
parts
[
1
];
$
val
=
$
this
->
decode
(
trim
(
substr
(
$
slice
,
strlen
(
$
parts
[
0
])),
"
,
\t\n\r\0\x0B"
));
if
(
$
this
->
use
&
SERVICES_JSON_LOOSE_TYPE
) {
$
obj
[
$
key
] =
$
val
;
}
else
{
$
obj
->
$
key
=
$
val
;
}
}
}
}
elseif
(((
$
chrs
[
$
c
] ==
'
"
'
) || (
$
chrs
[
$
c
] ==
"
'
"
)) && (
$
top
[
'
what
'
] !=
SERVICES_JSON_IN_STR
)) {
// found a quote, and we are not inside a string
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_IN_STR
,
'
where
'
=>
$
c
,
'
delim
'
=>
$
chrs
[
$
c
]));
//print("Found start of string at {$c}\n");
}
elseif
((
$
chrs
[
$
c
] ==
$
top
[
'
delim
'
]) &&
(
$
top
[
'
what
'
] ==
SERVICES_JSON_IN_STR
) &&
((
$
this
->
strlen8
(
$
this
->
substr8
(
$
chrs
,
0
,
$
c
)) -
$
this
->
strlen8
(
rtrim
(
$
this
->
substr8
(
$
chrs
,
0
,
$
c
),
'\\'
))) %
2
!=
1
)) {
// found a quote, we're in a string, and it's not escaped
// we know that it's not escaped because there is _not_ an
// odd number of backslashes at the end of the string so far
array_pop
(
$
stk
);
//print("Found end of string at {$c}: ".$this->substr8($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n");
}
elseif
((
$
chrs
[
$
c
] ==
'
[
'
) &&
in_array
(
$
top
[
'
what
'
],
array
(
SERVICES_JSON_SLICE
,
SERVICES_JSON_IN_ARR
,
SERVICES_JSON_IN_OBJ
))) {
// found a left-bracket, and we are in an array, object, or slice
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_IN_ARR
,
'
where
'
=>
$
c
,
'
delim
'
=>
false
));
//print("Found start of array at {$c}\n");
}
elseif
((
$
chrs
[
$
c
] ==
'
]
'
) && (
$
top
[
'
what
'
] ==
SERVICES_JSON_IN_ARR
)) {
// found a right-bracket, and we're in an array
array_pop
(
$
stk
);
//print("Found end of array at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
}
elseif
((
$
chrs
[
$
c
] ==
'
{
'
) &&
in_array
(
$
top
[
'
what
'
],
array
(
SERVICES_JSON_SLICE
,
SERVICES_JSON_IN_ARR
,
SERVICES_JSON_IN_OBJ
))) {
// found a left-brace, and we are in an array, object, or slice
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_IN_OBJ
,
'
where
'
=>
$
c
,
'
delim
'
=>
false
));
//print("Found start of object at {$c}\n");
}
elseif
((
$
chrs
[
$
c
] ==
'
}
'
) && (
$
top
[
'
what
'
] ==
SERVICES_JSON_IN_OBJ
)) {
// found a right-brace, and we're in an object
array_pop
(
$
stk
);
//print("Found end of object at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
}
elseif
((
$
substr_chrs_c_2
==
'
/*
'
) &&
in_array
(
$
top
[
'
what
'
],
array
(
SERVICES_JSON_SLICE
,
SERVICES_JSON_IN_ARR
,
SERVICES_JSON_IN_OBJ
))) {
// found a comment start, and we are in an array, object, or slice
array_push
(
$
stk
,
array
(
'
what
'
=>
SERVICES_JSON_IN_CMT
,
'
where
'
=>
$
c
,
'
delim
'
=>
false
));
$
c
++;
//print("Found start of comment at {$c}\n");
}
elseif
((
$
substr_chrs_c_2
==
'
*/
'
) && (
$
top
[
'
what
'
] ==
SERVICES_JSON_IN_CMT
)) {
// found a comment end, and we're in one now
array_pop
(
$
stk
);
$
c
++;
for
(
$
i
=
$
top
[
'
where
'
];
$
i
<=
$
c
; ++
$
i
)
$
chrs
=
substr_replace
(
$
chrs
,
'
'
,
$
i
,
1
);
//print("Found end of comment at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
}
}
if
(
reset
(
$
stk
) ==
SERVICES_JSON_IN_ARR
) {
return
$
arr
;
}
elseif
(
reset
(
$
stk
) ==
SERVICES_JSON_IN_OBJ
) {
return
$
obj
;
}
}
}
}
/**
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @todo Ultimately, this should just call PEAR::isError()
*/
function
isError
(
$
data
,
$
code
=
null
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
if
(
class_exists
(
'
pear
'
)) {
return
PEAR
::
isError
(
$
data
,
$
code
);
}
elseif
(
is_object
(
$
data
) && (
$
data
instanceof
services_json_error ||
is_subclass_of
(
$
data
,
'
services_json_error
'
))) {
return
true
;
}
return
false
;
}
/**
* Calculates length of string in bytes
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string
* @return integer length
*/
function
strlen8
(
$
str
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
if
(
$
this
->
_mb_strlen
) {
return
mb_strlen
(
$
str
,
"
8bit
"
);
}
return
strlen
(
$
str
);
}
/**
* Returns part of a string, interpreting $start and $length as number of bytes.
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*
* @param string
* @param integer start
* @param integer length
* @return integer length
*/
function
substr8
(
$
string
,
$
start
,
$
length
=
false
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
if
(
$
length
===
false
) {
$
length
=
$
this
->
strlen8
(
$
string
) -
$
start
;
}
if
(
$
this
->
_mb_substr
) {
return
mb_substr
(
$
string
,
$
start
,
$
length
,
"
8bit
"
);
}
return
substr
(
$
string
,
$
start
,
$
length
);
}
}
if
(
class_exists
(
'
PEAR_Error
'
)) {
class
Services_JSON_Error
extends
PEAR_Error
{
/**
* PHP5 constructor.
*
* @deprecated 5.3.0 Use the PHP native JSON extension instead.
*/
function
__construct
(
$
message
=
'
unknown error
'
,
$
code
=
null
,
$
mode
=
null
,
$
options
=
null
,
$
userinfo
=
null
)
{
_deprecated_function
(
__METHOD__
,
'
5.3.0
'
,
'
The PHP native JSON extension
'
);
parent
::
PEAR_Error
(
$
message
,
$
code
,
$
mode
,
$
options
,
$
userinfo
);
}
/**
* PHP4 constructor.
*
* @deprecated 5.3.0 Use __construct() instead.
*
* @see Services_JSON_Error::__construct()
*/
public
function
Services_JSON_Error
(
$
message
=
'
unknown error
'
,
$
code
=
null
,
$
mode
=
null
,
$
options
=
null
,
$
userinfo
=
null
) {
_deprecated_constructor
(
'
Services_JSON_Error
'
,
'
5.3.0
'
,
get_class
(
$
this
) );
self
::
__construct
(
$
message
,
$
code
,
$
mode
,
$
options
,
$
userinfo
);
}
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