diff --git a/Link.php b/Link.php
new file mode 100644
index 0000000..16b0820
--- /dev/null
+++ b/Link.php
@@ -0,0 +1,25 @@
+<?php
+namespace Onvardgmbh\HelperClasses;
+
+class Link {
+
+	/**
+	 * ASCII escape a string.
+	 * Can be used to obfuscate email addresses.
+	 *
+	 * @since 0.0.1
+	 * @author André Schwarzer <schwarzer@onvard.de>
+	 *
+	 * @param String $string
+	 *
+	 * @return String
+	 */
+	public static function asciiEscString( $string ) {
+		$return = '';
+		foreach ( str_split( $string ) as $char ) {
+			$return .= '&#' . ord( $char ) . ';';
+		}
+
+		return $return;
+	}
+}
diff --git a/Text.php b/Text.php
new file mode 100644
index 0000000..4b1442f
--- /dev/null
+++ b/Text.php
@@ -0,0 +1,50 @@
+<?php
+namespace Onvardgmbh\HelperClasses;
+
+class Text {
+
+	/**
+	 * Unicode safe version of substr_replace
+	 *
+	 * @since 0.0.1
+	 *
+	 * @link http://php.net/manual/de/function.substr-replace.php Taken from comment in PHP docs
+	 *
+	 * @param String $string
+	 *
+	 * @return String
+	 */
+	public static function mb_substr_replace( $string, $replacement, $start, $length = null, $encoding = null ) {
+
+		if ( extension_loaded( 'mbstring' ) === true ) {
+			$string_length = ( is_null( $encoding ) === true ) ? mb_strlen( $string ) : mb_strlen( $string, $encoding );
+
+			if ( $start < 0 ) {
+				$start = max( 0, $string_length + $start );
+			} else if ( $start > $string_length ) {
+				$start = $string_length;
+			}
+
+			if ( $length < 0 ) {
+				$length = max( 0, $string_length - $start + $length );
+			} else if ( ( is_null( $length ) === true ) || ( $length > $string_length ) ) {
+				$length = $string_length;
+			}
+
+			if ( ( $start + $length ) > $string_length ) {
+				$length = $string_length - $start;
+			}
+
+			if ( is_null( $encoding ) === true ) {
+				return mb_substr( $string, 0, $start ) . $replacement . mb_substr( $string, $start + $length,
+					$string_length - $start - $length );
+			}
+
+			return mb_substr( $string, 0, $start, $encoding ) . $replacement . mb_substr( $string, $start + $length,
+				$string_length - $start - $length, $encoding );
+		}
+
+		return ( is_null( $length ) === true ) ? substr_replace( $string, $replacement,
+			$start ) : substr_replace( $string, $replacement, $start, $length );
+	}
+}
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..f1b92b9
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,17 @@
+{
+    "name": "onvardgmbh/helper-classes",
+    "description": "PHP Helper Classes for often used functions",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Björn Hasse",
+            "email": "hasse@onvard.de"
+        }
+    ],
+    "require": {},
+    "autoload": {
+        "psr-4": {
+            "Onvardgmbh\\HelperClasses\\": "/"
+        }
+    }
+}
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..e69de29