If you are new learner? Want to start with php? Then start from here
PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere.
This are some websites from where you can easily learn php:
if you are new to php start with this links.