From 1ec230746126e02a92b1d835acfdf21fdd33ec1e Mon Sep 17 00:00:00 2001
From: Mardix <mcx2082@gmail.com>
Date: Sat, 1 Mar 2014 13:02:54 -0500
Subject: [PATCH] Added method parseTagAttributes to easily read key value
 attributes

---
 src/Handlebars/Helpers.php | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/src/Handlebars/Helpers.php b/src/Handlebars/Helpers.php
index 369b0a4..78ad530 100755
--- a/src/Handlebars/Helpers.php
+++ b/src/Handlebars/Helpers.php
@@ -703,4 +703,33 @@ private function extractSlice($string)
         }
         return [$m[1], $slice_start, $slice_end];
     }
+
+    /**
+     * Break an argument string of HTML attribute/values into an array of key value pairs
+     *
+     * @param string $string Argument String as passed to a helper
+     * @return array the argument list as an array
+     * @credit: https://github.com/Opine-Org/handlebars.php/commit/c749883e36ea6807824d7a2829cdcc02b11d49ad
+     */
+    public function parseTagAttributes ($string)
+    {
+        $attributes = [];
+        $pattern = '#(?(DEFINE)
+            (?<name>[a-zA-Z][a-zA-Z0-9-:]*)
+            (?<value_double>"[^"]+")
+            (?<value_single>\'[^\']+\')
+            (?<value_none>[^\s>]+)
+            (?<value>((?&value_double)|(?&value_single)|(?&value_none)))
+        )
+        (?<n>(?&name))(=(?<v>(?&value)))?#xs';
+
+        if (preg_match_all($pattern, $string, $matches, PREG_SET_ORDER)) {
+            foreach ($matches as $match) {
+                $attributes[$match['n']] = isset($match['v'])
+                    ? trim($match['v'], '\'"')
+                    : null;
+            }
+        }
+        return $attributes;
+    }
 }