Wordpress snippets

php.md

Resources

php.ini
https://www.php.net/manual/it/info.configuration.php

wp-debug.md

Test WP_DEBUG

First enable debug. Then test that notice/warning/error are written to log file correctly.

Enable Debug

// in wp-config.php

define("WP_DEBUG", true);
define("WP_DEBUG_LOG", true); // write to log file (wp-content/error.log)
define("WP_DEBUG_DISPLAY", false)// write on HTML response when error occur

Test it

Add this code and comment/uncomment accordingly, then reload a wordpress page and check te log file.

// in wp-content/themes/xxx/functions.php

// Test WP Debug
// Uncomment to test PHP Notice
echo $unknown_variable;
// Uncomment to test PHP Warning
include ("unknown_external_file.php");
// Uncomment to test PHP Error
unknown_function();

Resources

https://phoenixnap.com/kb/php-error-types#:~:text=Warning%20errors%20in%20PHP%20are,Using%20deprecated%20functions.