WP: Cron jobs

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//Crear un nuevo temporizador
add_filter('cron_schedules', 'add_scheduled_interval');

// Anyade nuevos intervalos a wp_schedules
function add_scheduled_interval($schedules)
{
    $schedules['minutes_1'] = array('interval'=>60, 'display'=>'Once 1 minutes');
    $schedules['minutes_30'] = array('interval'=>30, 'display'=>'Once 30 minutes');
    return $schedules;
}

//Programar WP_Cron para obtener XML de EP
if( !wp_next_scheduled( 'europapress_refresh' ) ) {
    wp_schedule_event( time(), 'minutes_1', 'europapress_refresh' );
}
add_action( 'europapress_refresh', 'ep_read_xml' );

//Elimina todas las tareas programadas para el hook
//wp_clear_scheduled_hook( 'europapress_refresh' );