Wordpress Debug

gistfile1.txt

1. no wp-config.php: 

// Enable WP_DEBUG mode
define('WP_DEBUG', true);

// Enable Debug logging to the /wp-content/debug.log file
define('WP_DEBUG_LOG', true);

// Disable display of errors and warnings 
define( 'WP_DEBUG_DISPLAY', false );
@ini_set('display_errors',1);

// Use dev versions of core JS and CSS files (only needed if you are modifying these core files)
define('SCRIPT_DEBUG', true);

/* That's all, stop editing! Happy publishing. */

2. No debug.log:

3. Create "debug.log" file in "wp-content" folder: /wp-content/debug.log

4. Make sure that the "debug.log" file is writable by anyone (all users not only admin) (permission 777)

$ sudo chmod 777 debug.log

5. Run

$ tail -f debug.log

6. Add this to the code: 

error_log( 'Hello World!' );