Its quite a common occurrence to hear that PHP has been described as "Insecure". You will hear this among many developers that choose not to use PHP. However, this bad light has been created by it's users. Let me explain.
He's broken it up into three different sections - putting PHP in the name, that it's too easy to learn, and that there is a need for some further security in most of the PHP applications out there (even the ones that have security - there's always room for improvement).