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PhutilQueryStringParser.php
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Created
Sun, May 26, 12:05
Size
2 KB
Mime Type
text/x-php
Expires
Tue, May 28, 12:05 (2 d)
Engine
blob
Format
Raw Data
Handle
17892783
Attached To
rPHU libphutil
PhutilQueryStringParser.php
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<?php
/**
* Parses a request string leaving all characters intact.
*
* http://php.net/manual/en/language.variables.external.php#language.variables.external.dot-in-names
* http://php.net/manual/en/language.variables.external.php#81080
*
* @group util
*/
final
class
PhutilQueryStringParser
{
public
function
parseQueryString
(
$query_string
)
{
$parsed_arr
=
array
();
$query_arr
=
array
();
if
(
strlen
(
$query_string
))
{
$query_pairs
=
explode
(
"&"
,
$query_string
);
foreach
(
$query_pairs
as
$query
)
{
$query_part_arr
=
explode
(
"="
,
$query
,
2
);
if
(
strlen
(
$query_part_arr
[
0
]))
{
$query_arr
[]
=
array
(
"key"
=>
$query_part_arr
[
0
],
"val"
=>
isset
(
$query_part_arr
[
1
])
?
$query_part_arr
[
1
]
:
""
,
);
}
}
foreach
(
$query_arr
as
$query_parts
)
{
$decoded_key
=
urldecode
(
$query_parts
[
"key"
]);
$decoded_val
=
urldecode
(
$query_parts
[
"val"
]);
$this
->
parseQueryKeyToArr
(
$decoded_key
,
$decoded_val
,
$parsed_arr
);
}
}
return
$parsed_arr
;
}
/**
* Treats the key as a flat query that potentially has square brackets. If
* there are square brackets we parse them into an array.
*
* Example input:
* $key = "email[0]";
* $val = "my@example.com";
*
* Example output:
* array("email" => array(0 => "my@example.com"));
*
* @param string $key
* @param string $val
* @param array $input_arr
*/
private
function
parseQueryKeyToArr
(
$key
,
$val
,
array
&
$input_arr
)
{
if
(
preg_match
(
'/^[^
\[\]
]+(?:
\[
[^
\[\]
]*
\]
)+$/'
,
$key
))
{
$key_pieces
=
preg_split
(
'/
\]
?
\[
/'
,
rtrim
(
$key
,
"]"
));
if
(
$key_pieces
)
{
$cursor
=
&
$input_arr
;
foreach
(
$key_pieces
as
$piece
)
{
if
(
strlen
(
$piece
))
{
if
(
empty
(
$cursor
[
$piece
])
||
!
is_array
(
$cursor
[
$piece
]))
{
$cursor
[
$piece
]
=
array
();
}
}
else
{
$cursor
[]
=
array
();
$piece
=
last_key
(
$cursor
);
}
$cursor
=
&
$cursor
[
$piece
];
}
$cursor
=
$val
;
unset
(
$cursor
);
}
}
else
{
$input_arr
[
$key
]
=
$val
;
}
}
}
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