Refactoring

src/Utils/InputCleaner.php

@@ -0,0 +1,33 @@
+<?php
+namespace Utils;
+
+class InputCleaner
+{
+    public static function cleanParameters($input)
+    {
+        foreach ($input as $key => $value) {
+            $cleaned = self::cleanParameter($value);
+            $input[$key] = $cleaned;
+        }
+        return $input;
+    }
+
+    public static function cleanParameter($val)
+    {
+        $val = strip_tags($val, TAGS_TO_PRESERVE);
+        /*
+		 /              # Start Pattern
+		<             # Match '<' at beginning of tags
+		(             # Start Capture Group $1 - Tag Name
+				[a-z]         # Match 'a' through 'z'
+				[a-z0-9]*     # Match 'a' through 'z' or '0' through '9' zero or more times
+		)             # End Capture Group
+		[^>]*?        # Match anything other than '>', Zero or More times, not-greedy (wont eat the /)
+		(\/?)         # Capture Group $2 - '/' if it is there
+		>             # Match '>'
+		/i            # End Pattern - Case Insensitive
+		*/
+        $val =  preg_replace("/<([a-z][a-z0-9]*)[^>]*?(\/?)>/i", '<$1$2>', $val);
+        return $val;
+    }
+}