wp_get_ready_cron_jobs example

$value = wp_cache_get( 'doing_cron', 'transient', true );
    } else {
        $row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
        if ( is_object( $row ) ) {
            $value = $row->option_value;
        }
    }

    return $value;
}

$crons = wp_get_ready_cron_jobs();
if ( empty( $crons ) ) {
    die();
}

$gmt_time = microtime( true );

// The cron lock: a unix timestamp from when the cron was spawned. $doing_cron_transient = get_transient( 'doing_cron' );

// Use global $doing_wp_cron lock, otherwise use the GET lock. If no lock, try to grab a new lock. if ( empty( $doing_wp_cron ) ) {
    
if ( $lock > $gmt_time + 10 * MINUTE_IN_SECONDS ) {
        $lock = 0;
    }

    // Don't run if another process is currently running it or more than once every 60 sec.     if ( $lock + WP_CRON_LOCK_TIMEOUT > $gmt_time ) {
        return false;
    }

    // Sanity check.     $crons = wp_get_ready_cron_jobs();
    if ( empty( $crons ) ) {
        return false;
    }

    $keys = array_keys( $crons );
    if ( isset( $keys[0] ) && $keys[0] > $gmt_time ) {
        return false;
    }

    if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
        if ( 'GET' !== $_SERVER['REQUEST_METHOD'] || defined( 'DOING_AJAX' ) || defined( 'XMLRPC_REQUEST' ) ) {
            
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