fix ValueAs:arr - parse_str does key mangling we want to avoid (#25)

* fix ValueAs:arr - parse_str does key mangling we want to avoid

* support missing value

* regexp is surprisingly much faster

Author: TomK

src/ValueAs.php

@@ -161,7 +161,11 @@ public static function arr($value, $default = [])
       if(strpos($value, '=') !== false)
       {
         $array = [];
-        parse_str($value, $array);
+        preg_match_all('/([^=&]+)(?:=)?([^&]+)?(?:&)?/', $value, $matches, PREG_SET_ORDER | PREG_UNMATCHED_AS_NULL);
+        foreach($matches as $match)
+        {
+          $array[$match[1]] = $match[2] ?: '';
+        }
         return $array;
       }
 

tests/ValueAsTest.php

@@ -73,7 +73,9 @@ public function exactProvider()
       ['arr', "hey", null, ["hey"]],
       ['arr', "hello,world", null, ["hello", "world"]],
       ['arr', "test=one&unit=two", null, ["test" => 'one', "unit" => 'two']],
+      ['arr', "test.one=one.test", null, ["test.one" => 'one.test']],
       ['arr', "test=one", null, ["test" => 'one']],
+      ['arr', "hello&world=two", null, ['hello' => '', 'world' => 'two']],
       ['arr', "", ["test"], ["test"]],
       ['arr', tmpfile(), ["test"], ["test"]],
       ['arr', $objectTest, ["test"], ["item" => "value"]],