new pisilinux web sites

Internal/package-security/PHP.php

@@ -0,0 +1,60 @@
+<?php namespace ZN\Security;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+class PHP
+{
+    /**
+     * PHP Tag Chars
+     * 
+     * @var array
+     */
+    protected static $phpTagChars =
+    [
+        '<?' => '&#60;&#63;',
+        '?>' => '&#63;&#62;'
+    ];
+
+    /**
+     * Encode PHP Tag
+     * 
+     * @param string $str
+     * 
+     * @return string
+     */
+    public static function encode(string $str) : string
+    {
+        return str_replace(array_keys(self::$phpTagChars), array_values(self::$phpTagChars), $str);
+    }
+
+    /**
+     * Decode PHP Tag
+     * 
+     * @param string $str
+     * 
+     * @return string
+     */
+    public static function decode(string $str) : string
+    {
+        return str_replace(array_values(self::$phpTagChars), array_keys(self::$phpTagChars), $str);
+    }
+
+    /**
+     * Clean PHP Tag
+     * 
+     * @param string $str
+     * 
+     * @return string
+     */
+    public static function tagClean(string $str) : string
+    {
+        return str_ireplace(['<?php', '<?', '?>'], '', $str);
+    }
+}