I contend that learning a proper language will be of greater benefit to a person just starting web-development, and putting in just a few extra hours at the beginning to get a solid foundation will in fact save them time in the long-run.
Also, giving complete amateurs this loaded, rusty .44 magnum and pointing them at the battlefield is bad for web security and the web in general, they will inevitably lose all the plaintext usernames and passwords they have in their database.
PHP is a blight on the web.