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WordPress Enable PHP Strict Error Reporting

When developing WordPress themes and plugins, I like to enable PHP’s strict error reporting. That way all errors and notices can be recognized and dealt with accordingly. Plus, enabling PHP strict error reporting is pretty easy to do using a simple must-use plugin. Here’s how to do it..

Enable strict error reporting

To enable PHP strict error reporting for your WordPress-powered site, create a blank PHP file named error-reporting.php (or whatever you wish), and then add the following code:

<?php 
/*
	Plugin Name: PHP - Strict Error Reporting
	Description: Enable strict error reporting for testing PHP.
*/
error_reporting(E_ALL | E_STRICT);

Then save the file and upload it to your site’s /wp-content/mu-plugins/ directory. If the directory does not exist, create it. So on the server you should have the following file:

/wp-content/mu-plugins/error-reporting.php

That’s all there is to it. Once uplaoded, this script instructs PHP to report all errors, even the strict ones. To see the script in action, simply enable WordPress debug mode. When debugging is disabled, the must-use plugin is safely ignored. It’s there when you need it :)

Also as a bonus here is a sweet online wizard for calculating PHP error_reporting codes. Super useful!

Jeff Starr
About the Author
Jeff Starr = Web Developer. Security Specialist. WordPress Buff.
Digging Into WordPress: Take your WordPress skills to the next level.

2 responses to “WordPress Enable PHP Strict Error Reporting”

  1. phil salt 2015/09/09 2:04 pm

    Thanks Jeff for sharing this neat pocket error_reporting plugin. More power to the wp_debug. Be well

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Welcome
Perishable Press is operated by Jeff Starr, a professional web developer and book author with two decades of experience. Here you will find posts about web development, WordPress, security, and more »
WP Themes In Depth: Build and sell awesome WordPress themes.
Thoughts
Playing the long game.
They have weaponized the idiots.
Good software never steals focus from the user. Even during startup.
After 10 years running my own business, I still manage schedules and tasks using old school post-it notes, sometimes simple sometimes very elaborate.
You know those sites, where you're trying to just grab a quick bit of information but the page is shifting all over the place as it loads up 3 million advertisements.
Selling two of my top WordPress domains, wp-zen.com & zen-wp.com $300 for both. Aged 9 years. Drop a line if interested.
Never force your users to type out a password (or any long string of characters) by blocking the paste function. Typing long strings leads to MORE errors than simple copy/paste.