From 34a0745e18910acd7f90a19dbd08ff03de2456bc Mon Sep 17 00:00:00 2001
From: Christian A. Weber
Date: Mon, 21 Aug 2017 18:10:10 +0200
Subject: add it_url::parse_str() which leaves dots and spaces in arg names
 intact

---
 it_html.class   |  2 +-
 it_url.class    | 13 +++++++++++++
 tests/it_html.t |  6 ++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/it_html.class b/it_html.class
index ea8a159..9ffd4e3 100644
--- a/it_html.class
+++ b/it_html.class
@@ -542,7 +542,7 @@ static function U(/* ... */)
 
 	if (!($u = @parse_url($base)))
 		list($u['path'], $u['query']) = explode("?", $base, 2);
-	parse_str($u['query'], $u['params']);
+	$u['params'] = it_url::parse_str($u['query']);
 
 	$u['host'] = preg_match('/[^-_.0-9a-z]/i', $u['host']) && function_exists('idn_to_ascii') && ($idnahost = idn_to_ascii($GLOBALS['it_html']->p['charset'] == "iso-8859-1" ? utf8_encode($u['host']) : $u['host'])) ? $idnahost : $u['host'];	# Punycode hostname to include into webpage
 	$u['host'] = preg_replace_callback('/[^-_.0-9a-z\x80-\xff]/i', function($m) { return rawurlencode($m[0]); }, $u['host']); # Encode garbage chars in host
diff --git a/it_url.class b/it_url.class
index b7ea7d7..5563b5e 100644
--- a/it_url.class
+++ b/it_url.class
@@ -824,6 +824,19 @@ static function _params($params, $keys = null)
 	return $result;
 }
 
+
+static function parse_str($query)
+{
+	foreach (explode('&', $query, 2) as $arg)
+	{
+		list($key, $value) = explode("=", $arg, 2);
+		$result[urldecode($key)] = urldecode($value);
+	}
+
+	return (array)$result;
+}
+
+
 /**
  * Convert url into array with base url in $result[0] and GET params
  */
diff --git a/tests/it_html.t b/tests/it_html.t
index 538a350..2291c54 100755
--- a/tests/it_html.t
+++ b/tests/it_html.t
@@ -195,6 +195,12 @@ is(
 	'U() args override get params in base url'
 );
 
+is(
+	U("/foo.html?bar.qux=a.b", array('c.d' => "e.f", 'g h' => "i j")),
+	'/foo.html?bar.qux=a.b&c.d=e.f&g+h=i+j',
+	'U() dots and spaces in arg names are preserved'
+);
+
 is(
 	U("/foo.html?bar=qux#frag=frog", array('baz' => "gna")),
 	'/foo.html?bar=qux&baz=gna#frag=frog',
-- 
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