<?php

namespace WP_CLI\Doctor\Check;

use WP_CLI;
use WP_CLI\Doctor\Check;

abstract class Cron extends Check {

    protected static $crons;

    protected static function get_crons() {

        if ( isset( self::$crons ) ) {
            return self::$crons;
        }

        ob_start();
        WP_CLI::run_command( array( 'cron', 'event', 'list' ), array( 'format' => 'json' ) );
        $ret         = ob_get_clean();
        self::$crons = ! empty( $ret ) ? json_decode( $ret, true ) : array();
        return self::$crons;
    }
}