WordPress Logger

index.php

if (!function_exists('log_it')) {
  function log_it($message)
  {
    if (WP_DEBUG === true) {
      if (is_array($message) || is_object($message)) {
        error_log(print_r($message, true));
      } else {
        error_log($message);
      }
    }
  }
}

// wp config options 
// debug stuff for plugin dev
@ini_set('display_errors',0);
define( 'WP_DEBUG',         true );  // Turn debugging ON
define( 'WP_DEBUG_DISPLAY', false ); // Turn forced display OFF
define( 'WP_DEBUG_LOG',     true );  // Turn logging to wp-content/debug.log ON
define( 'WP_POST_REVISIONS', false); // Disables revision functionality