每天laravel-20160712|Schedule_laravel artisan_binary

<?php

namespace Illuminate\Console\Scheduling;

use Symfony\Component\Process\ProcessUtils;
use Symfony\Component\Process\PhpExecutableFinder;
// use namespace.
class Schedule
{
    /**
     * All of the events on the schedule.
     *
     * @var array
     */
    protected $events = [];// events schedule array set to store the events
    // by the way, all of this is function or instance of class
    /**
     * Add a new callback event to the schedule.
     *
     * @param  string  $callback
     * @param  array   $parameters
     * @return \Illuminate\Console\Scheduling\Event
     */
    public function call($callback, array $parameters = [])
    {
        $this->events[] = $event = new CallbackEvent($callback, $parameters);

        return $event;
    }// get a instance about the event function ,and add it to the events array.

    /**
     * Add a new Artisan command event to the schedule.
     *
     * @param  string  $command
     * @param  array  $parameters
     * @return \Illuminate\Console\Scheduling\Event
     */
    public function command($command, array $parameters = [])
    {
        $binary = ProcessUtils::escapeArgument((new PhpExecutableFinder)->find(false));
        // change argument
        if (defined('HHVM_VERSION')) {
            $binary .= ' --php';
        }

        if (defined('ARTISAN_BINARY')) {
            $artisan = ProcessUtils::escapeArgument(ARTISAN_BINARY);
        } else {
            $artisan = 'artisan';
        }

        return $this->exec("{$binary} {$artisan} {$command}", $parameters);
    }// the author said this is a new artisan command
    // suport the HHVM ,good

    /**
     * Add a new command event to the schedule.
     *
     * @param  string  $command
     * @param  array  $parameters
     * @return \Illuminate\Console\Scheduling\Event
     */
    public function exec($command, array $parameters = [])
    {
        if (count($parameters)) {
            $command .= ' '.$this->compileParameters($parameters);
        }// prepare the command.

        $this->events[] = $event = new Event($command);// add the instance to the compileParameters

        return $event;
    }// Add a new command event to the schedule

    /**
     * Compile parameters for a command.
     *
     * @param  array  $parameters
     * @return string
     */
    protected function compileParameters(array $parameters)
    {
        return collect($parameters)->map(function ($value, $key) {
            return is_numeric($key) ? $value : $key.'='.(is_numeric($value) ? $value : ProcessUtils::escapeArgument($value));
        })->implode(' ');
    }// compile or change the parameters for you want.

    /**
     * Get all of the events on the schedule.
     *
     * @return array
     */
    public function events()
    {
        return $this->events;
    }// big _get

    /**
     * Get all of the events on the schedule that are due.
     *
     * @param  \Illuminate\Contracts\Foundation\Application  $app
     * @return array
     */
    public function dueEvents($app)
    {
        return array_filter($this->events, function ($event) use ($app) {
            return $event->isDue($app);
        });
    }// a super big _get function
    // this can get all the events on the schedule that are due.
}
// at last ,this is a events schedule, that be set bigset get bigget and change the params
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