WordPress Editor (IDE) Options

• David Gwyer. The 5 Best IDEs for WordPress Development (And Why). envatotuts+, 2017.

Visual Studio Code (Microsoft)

• B.J. Keeton. VS Code: An In-Depth Review for WordPress Developers. elegant themes, 2019.
• David Ramel. 5 Top WordPress Extensions for Visual Studio Code. Visual Studio Magazine, 2018.
• Tom McFarlin.
  • An IDE for WordPress Development (Regardless of Experience). 2018.
    • Offers a few suggestions on extensions for WP developers using VSC.
    • See also McFarlin’s 2016 article VS Code for WordPress Development.
  • Code Quality Per Language Settings in Visual Studio Code. 2018.
  • How To Set Up JavaScript Linting in Visual Studio Code. 2018.
  • Installing PHPUnit in Visual Studio Code. 2018.
  • Using PHP Coding Standards in Visual Studio Code. 2018.
  • Working with User Settings in Visual Studio Code. 2018.
  • Visual Studio Code TODOs, REVIEWS, and FIXMEs. 2017.
  • Adding Visual Studio Code Debug Configuration. 2017.
  • Visual Studio Code Debugger: A Primer and Screencast. 2017.
  • Xdebug, Visual Studio Code, and MAMP. 2017.
  • Setting Up PHP CodeSniffer in Visual Studio Code. 2016.
• Matt Shaw. Using VS Code for WordPress Development. Delicious Brains, 2017.

PhpStorm (JetBrains)

• Tom McFarlin. Adjusting the First PhpStorm Breakpoint. 2017.
• Tom McFarlin. PhpStorm for WordPress Development: A Few Reasons. 2017.
• Iain Poulson. How We Use PhpStorm for WordPress Development. delicious brains, 2015.
• Andrey “Rarst” Savchenko. WordPress Development in PhpStorm. 2014.

Other Options

• Notepad++ (Windows Only)
• Atom
• Sublime