Functions to help debug and log to wp-content/debug.log

WP-DEBUG.php

<?php

/* wp-content/themes/[THEME]/functions.php */

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

// _log('Testing the error message logging');
// _log(array('it' => 'works'));



if ( function_exists('_log') ) {
  _log('_____________________________________________________');
  _log( ' MESSAGE' . $ MESSAGE );
}

/* ------------------------------------------------------------------------*/


/* wp-config.php */

//*
@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('SAVEQUERIES', TRUE);
//*/

?>