#WordPress Debugging Enable and Logging Function

functions.php

// Source: https://www.elegantthemes.com/blog/tips-tricks/using-the-wordpress-debug-log
// Usage example: write_log('The variable value is: ' . $myVariable);
if ( ! function_exists('write_log')) {
  function write_log ( $log ) {
    if ( is_array( $log ) || is_object( $log ) ) {
      error_log( print_r( $log, true ) );
    } else {
      error_log( $log );
    }
  }
}

wp-config.php

define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );
define( 'WP_DEBUG_DISPLAY', false );