Cf. How To Ask Questions The Smart Way
"for PHP beginners and people with little to no programming experience. If you used PHP in the past and forgot most of it this book might also serve you well." (ib. 2018-03-21)
"an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web and what the contributors consider to be best practices" (ib. 2018-03-21)
"How long can you work on making a routine task more efficient before you're spending more time than you save? (Across 5 years)"