PHP Tips, Tricks, and Techniques

Become a better PHP programmer, one tutorial at a time. Broaden your understanding of what PHP can do and become a more productive developer, with these tips.

Introduction

• Welcome

1. Weekly Episodes

• Round numbers to a specific multiple
• Array dereferencing
• Variable functions
• Build nested unordered lists automatically
• Display a repeating value only once
• Batch convert images to data URIs
• Multiple string replacement and SVGs
• Prevent cross-site script attacks in forms
• Changes to calculations with strings
• Unpacking arrays in PHP 7.1
• User authentication with password hashing
• Set a future date
• Block access to expired member
• Extract complete sentences from start of text
• Prevent email header injection attacks
• Variable variables
• Select files for archiving
• Set a time limit on a session
• Custom sort an array with the spaceship operator
• Understanding the splat operator
• Converting new lines to real paragraphs
• Introducing PHP generators
• Dynamically editing a CSV file
• Finding all links in a webpage
• Creating a download link
• Debugging PDO prepared statements
• Time is running out for PHP 5
• Extract values with a format string
• Generate harmonious color tones
• Getting all possible permutations of an array
• Merging arrays
• Strip accents from text
• Export associative arrays from a CSV
• Export spreadsheet data to a multi-table database
• Validate email address with accented characters
• Generating random numbers and strings
• Shorthand conditional expressions
• Modifying each element in an array
• Smart quotes and apostrophes
• Shortest distance between two locations