---
title: "Certificates & licenses of Karl Valentin"
description: "Certificates & licenses of Karl Valentin"
url: https://vutuv.de/karl_valentin/qualifications
type: qualifications
schema_version: 3
generated_at: 2026-09-24T08:17:06Z
noindex: true
noai: true
---

# Certificates & licenses of Karl Valentin

1 total

- Zend Certified Engineer - PHP 5.3: Certificate · awarded 2011-08 · ID: ZEND017729