Best products from r/learnphp
We found 2 comment on r/learnphp discussing the most recommended products. We ran sentiment analysis on each of these comments to determine how redditors feel about different products. We found 2 products and ranked them based on the amount of positive reactions they received. Here are the top 20.
PHP The Right Way is good.
If you want something for SQL I strongly recommend SQL Antipatterns.
If you want something more abstract, Head First Design Patterns is good. It uses Java in its examples but it applies to PHP too.