This is an excellent resource. Many free and low-cost scripts. We look here first.
The PHP Junkyard
A small, but excellent set of free scripts.
Best PHP Tutorials(Free and Paid)
This is an excellent resource of free and low-cost tutorials.
Contains a large selection of free and low-cost, downloadable scripts.
A curated list of amazingly awesome PHP libraries, resources, and shiny things.
The Best Resources For Learning PHP
Here are 5 great PHP learning resources that will have you creating … PHP Resources provides you with a list of scripts which you can download