| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace Depicter\GuzzleHttp\Psr7; |
| 6 |
|
| 7 |
final class Query |
| 8 |
{ |
| 9 |
/** |
| 10 |
* Parse a query string into an associative array. |
| 11 |
* |
| 12 |
* If multiple values are found for the same key, the value of that key |
| 13 |
* value pair will become an array. This function does not parse nested |
| 14 |
* PHP style arrays into an associative array (e.g., `foo[a]=1&foo[b]=2` |
| 15 |
* will be parsed into `['foo[a]' => '1', 'foo[b]' => '2'])`. |
| 16 |
* |
| 17 |
* @param string $str Query string to parse |
| 18 |
* @param int|bool $urlEncoding How the query string is encoded |
| 19 |
*/ |
| 20 |
public static function parse(string $str, $urlEncoding = true): array |
| 21 |
{ |
| 22 |
$result = []; |
| 23 |
|
| 24 |
if ($str === '') { |
| 25 |
return $result; |
| 26 |
} |
| 27 |
|
| 28 |
if ($urlEncoding === true) { |
| 29 |
$decoder = function ($value) { |
| 30 |
return rawurldecode(str_replace('+', ' ', (string) $value)); |
| 31 |
}; |
| 32 |
} elseif ($urlEncoding === PHP_QUERY_RFC3986) { |
| 33 |
$decoder = 'rawurldecode'; |
| 34 |
} elseif ($urlEncoding === PHP_QUERY_RFC1738) { |
| 35 |
$decoder = 'urldecode'; |
| 36 |
} else { |
| 37 |
$decoder = function ($str) { |
| 38 |
return $str; |
| 39 |
}; |
| 40 |
} |
| 41 |
|
| 42 |
foreach (explode('&', $str) as $kvp) { |
| 43 |
$parts = explode('=', $kvp, 2); |
| 44 |
$key = $decoder($parts[0]); |
| 45 |
$value = isset($parts[1]) ? $decoder($parts[1]) : null; |
| 46 |
if (!array_key_exists($key, $result)) { |
| 47 |
$result[$key] = $value; |
| 48 |
} else { |
| 49 |
if (!is_array($result[$key])) { |
| 50 |
$result[$key] = [$result[$key]]; |
| 51 |
} |
| 52 |
$result[$key][] = $value; |
| 53 |
} |
| 54 |
} |
| 55 |
|
| 56 |
return $result; |
| 57 |
} |
| 58 |
|
| 59 |
/** |
| 60 |
* Build a query string from an array of key value pairs. |
| 61 |
* |
| 62 |
* This function can use the return value of `parse()` to build a query |
| 63 |
* string. This function does not modify the provided keys when an array is |
| 64 |
* encountered (like `http_build_query()` would). |
| 65 |
* |
| 66 |
* @param array $params Query string parameters. |
| 67 |
* @param int|false $encoding Set to false to not encode, PHP_QUERY_RFC3986 |
| 68 |
* to encode using RFC3986, or PHP_QUERY_RFC1738 |
| 69 |
* to encode using RFC1738. |
| 70 |
*/ |
| 71 |
public static function build(array $params, $encoding = PHP_QUERY_RFC3986): string |
| 72 |
{ |
| 73 |
if (!$params) { |
| 74 |
return ''; |
| 75 |
} |
| 76 |
|
| 77 |
if ($encoding === false) { |
| 78 |
$encoder = function (string $str): string { |
| 79 |
return $str; |
| 80 |
}; |
| 81 |
} elseif ($encoding === PHP_QUERY_RFC3986) { |
| 82 |
$encoder = 'rawurlencode'; |
| 83 |
} elseif ($encoding === PHP_QUERY_RFC1738) { |
| 84 |
$encoder = 'urlencode'; |
| 85 |
} else { |
| 86 |
throw new \InvalidArgumentException('Invalid type'); |
| 87 |
} |
| 88 |
|
| 89 |
$qs = ''; |
| 90 |
foreach ($params as $k => $v) { |
| 91 |
$k = $encoder((string) $k); |
| 92 |
if (!is_array($v)) { |
| 93 |
$qs .= $k; |
| 94 |
$v = is_bool($v) ? (int) $v : $v; |
| 95 |
if ($v !== null) { |
| 96 |
$qs .= '='.$encoder((string) $v); |
| 97 |
} |
| 98 |
$qs .= '&'; |
| 99 |
} else { |
| 100 |
foreach ($v as $vv) { |
| 101 |
$qs .= $k; |
| 102 |
$vv = is_bool($vv) ? (int) $vv : $vv; |
| 103 |
if ($vv !== null) { |
| 104 |
$qs .= '='.$encoder((string) $vv); |
| 105 |
} |
| 106 |
$qs .= '&'; |
| 107 |
} |
| 108 |
} |
| 109 |
} |
| 110 |
|
| 111 |
return $qs ? (string) substr($qs, 0, -1) : ''; |
| 112 |
} |
| 113 |
} |
| 114 |
|
