Query.php — ShareThis Dashboard for Google Analytics 3.1.7

googleanalytics / lib / analytics-admin / vendor / guzzlehttp / psr7 / src / Query.php

googleanalytics / lib / analytics-admin / vendor / guzzlehttp / psr7 / src Last commit date

Query.php

114 lines

1	<?php
2
3	declare(strict_types=1);
4
5	namespace 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