{"id":584,"date":"2026-06-29T11:08:58","date_gmt":"2026-06-29T11:08:58","guid":{"rendered":"https:\/\/brutefort.com\/blog\/wordpress-debug-log\/"},"modified":"2026-07-15T13:52:37","modified_gmt":"2026-07-15T13:52:37","slug":"wordpress-debug-log","status":"publish","type":"post","link":"https:\/\/brutefort.com\/blog\/wordpress-debug-log\/","title":{"rendered":"WordPress Debug Log: What It Is and How to Use It"},"content":{"rendered":"\n
\"Developer
Photo by ThisIsEngineering from Pexels<\/figcaption><\/figure>\n\n\n\n

The WordPress debug log is a text file that records every PHP error, warning, and notice your site generates \u2014 including the ones nobody ever sees on screen.<\/p>\n\n\n\n

Think of it as a flight recorder for your site: it runs quietly in the background the whole time, and you only pull it up after something goes wrong.<\/p>\n\n\n\n

Something just broke on your site, and you have no idea why? That’s the moment this file matters most. The problem is WordPress buries it deep on the server \u2014 normally you’d need your hosting control panel, a file manager, and a raw text file to read a single line.<\/p>\n\n\n\n

Quick Answer:<\/strong> The debug log is a file at \/wp-content\/debug.log<\/code> that WordPress writes to once you enable WP_DEBUG<\/code> and WP_DEBUG_LOG<\/code> in wp-config.php<\/code>. It’s the fastest way to find out why something on your site is broken. Logmate reads it inside your dashboard so you never need FTP.<\/p><\/div>\n\n\n\n

What the WordPress Debug Log Actually Is<\/h2>\n\n\n\n

WordPress has a built-in debugging system controlled by constants in your wp-config.php<\/code> file. When you enable WP_DEBUG<\/code> and set WP_DEBUG_LOG<\/code> to true, WordPress starts writing errors to a file called debug.log<\/code>.<\/p>\n\n\n\n

By default, this file lives at \/wp-content\/debug.log<\/code> \u2014 though some hosts or configurations write it elsewhere. Every PHP error, deprecated function call, undefined variable, and database query problem gets logged here with a timestamp and the file\/line where it occurred.<\/p>\n\n\n\n

The log records three main types of entries:<\/p>\n\n\n\n

  • Fatal errors<\/strong> \u2014 these break the page entirely and are usually what you’re debugging urgently<\/li>
  • Warnings<\/strong> \u2014 something worked, but not the way it should; often a sign of plugin or theme conflicts<\/li>
  • Notices<\/strong> \u2014 minor issues like undefined variables; often harmless but worth cleaning up in production code<\/li><\/ul>\n\n\n\n

    How to Enable the WordPress Debug Log<\/h2>\n\n\n\n

    Open your wp-config.php<\/code> file and add or update these three constants. Place them above the line that reads \/* That's all, stop editing! *\/<\/code>.<\/p>\n\n\n\n

    define( 'WP_DEBUG', true );\ndefine( 'WP_DEBUG_LOG', true );\ndefine( 'WP_DEBUG_DISPLAY', false );<\/code><\/pre>\n\n\n\n
    Setting WP_DEBUG_DISPLAY<\/code> to false is important on a live site \u2014 it stops errors from printing directly to the page, which would expose your file structure to visitors. With this configuration, errors go to the log file silently.<\/p>\n\n\n\n
    Warning:<\/strong> Never leave WP_DEBUG_DISPLAY<\/code> set to true on a production site. It can expose sensitive server path information to anyone visiting the page.<\/p><\/div>\n\n\n\n
    \"Laptop
    Photo by Negative Space from Pexels<\/figcaption><\/figure>\n\n\n\n
    The Problem With Accessing the Log File Directly<\/h2>\n\n\n\n
    Once the log is enabled, you still need to read it \u2014 and that’s where the friction starts. The file grows continuously. On an active site, it can reach megabytes quickly, full of repeated entries that are hard to scan manually. Finding the one error that actually matters means scrolling through hundreds of lines of raw text.<\/p>\n\n\n\n
    Logmate solves this by bringing the debug log into your WordPress dashboard. It reads your PHP log file and presents entries in a searchable, filterable table \u2014 organized by error type, message, source file, number of occurrences, and last occurrence timestamp. Instead of finding the log file and scrolling through it, you open the Logs screen and see what’s actually happening.<\/p>\n\n\n\n
    \"Logmate's<\/figure>\n\n\n\n
    Logmate also captures JavaScript errors separately, which the PHP debug log doesn’t cover at all. JS errors are usually invisible unless someone is actively watching the browser console \u2014 Logmate surfaces them in the same interface alongside your PHP errors.<\/p>\n\n\n\n
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