debug function in wordpress plugin code example

Example 1: debug wordpress

// 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', 0 );

Example 2: how to debug in wordpress

// This enables debugging.
define( 'WP_DEBUG', true );