外贸独立站(日本)

$user = \App\Models\User::query()->find(1);

$user['name'] = '杨国奇';
$user->save();

use Illuminate\Foundation\Auth\User as Authenticatable;

class User extends Authenticatable
{
	...

class User extends Model implements
    AuthenticatableContract,
    AuthorizableContract,
    CanResetPasswordContract
{
    use Authenticatable, Authorizable, CanResetPassword;
}

abstract class Model implements ArrayAccess, Arrayable, Jsonable, JsonSerializable, QueueableEntity, UrlRoutable
{
    use Concerns\HasAttributes,
        Concerns\HasEvents,
        Concerns\HasGlobalScopes,
        Concerns\HasRelationships,

        ...

ArrayAccess {
    //检查一个偏移位置是否存在
    abstract public boolean offsetExists ( mixed $offset );

    //获取一个偏移位置的值
    abstract public mixed offsetGet ( mixed $offset );

    //设置一个偏移位置的值
    abstract public void offsetSet ( mixed $offset , mixed $value );

    //复位一个偏移位置的值
    abstract public void offsetUnset ( mixed $offset );
}

public function offsetExists($offset)
{
    return ! is_null($this->getAttribute($offset));
}

/**
 * Get the value for a given offset.
 *
 * @param  mixed  $offset
 * @return mixed
 */
public function offsetGet($offset)
{
    return $this->getAttribute($offset);
}

/**
 * Set the value for a given offset.
 *
 * @param  mixed  $offset
 * @param  mixed  $value
 * @return void
 */
public function offsetSet($offset, $value)
{
    $this->setAttribute($offset, $value);
}

/**
 * Unset the value for a given offset.
 *
 * @param  mixed  $offset
 * @return void
 */
public function offsetUnset($offset)
{
    unset($this->attributes[$offset], $this->relations[$offset]);
}

echo_supervisord_conf > /etc/supervisor/supervisord.conf

supervisord -c /etc/supervisord.conf

[program:erp2-worker]
process_name=%(program_name)s_%(process_num)02d
command=/usr/bin/php7 /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
autostart=true
autorestart=true
user=vagrant
numprocs=8
redirect_stderr=true
stdout_logfile=/var/log/supervisor/laravel-queue.log

supervisord # 先执行

sudo supervisorctl reload

sudo supervisorctl update

sudo supervisorctl start erp2-worker:*

// 或者
sudo supervisorctl start all

ps -ef|grep 'queue:work'

vagrant   4899  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4900  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4901  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4902  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4903  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4904  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4905  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4906  1407  0 03:10 ?        00:00:00 /usr/bin/php /home/vagrant/code/ccerp-v2/artisan queue:work --tries=3
vagrant   4978  2575  0 03:11 pts/0    00:00:00 grep --color=auto queue:work

error: <class 'socket.error'>, [Errno 2] No such file or directory: file: /usr/lib/python2.7/socket.py line: 228  

sudo supervisord -c /etc/supervisor/supervisord.conf  
sudo supervisorctl -c /etc/supervisor/supervisord.conf  

sudo supervisord

php artisan horizon:terminate

[program:horizon]
process_name=%(program_name)
command=php /home/forge/app.com/artisan horizon
autostart=true
autorestart=true
user=forge
redirect_stderr=true
stdout_logfile=/home/forge/app.com/horizon.log

; 设置进程的名称，使用 supervisorctl 来管理进程时需要使用该进程名
[program:foo] 
; 可以在 command 这里用 python 表达式传递不同的参数给每个进程
command=python server.py --port=90%(process_num)02d
directory=/home/python/tornado_server ; 执行 command 之前，先切换到工作目录
; 若 numprocs 不为1，process_name 的表达式中一定要包含 process_num 来区分不同的进程
numprocs=2                   
process_name=%(program_name)s_%(process_num)02d; 
user=oxygen                 ; 使用 oxygen 用户来启动该进程
autorestart=true            ; 程序崩溃时自动重启
redirect_stderr=true        ; 重定向输出的日志
stdout_logfile = /var/log/supervisor/tornado_server.log
loglevel=info

<?php

namespace App\Exceptions;

use Throwable;

class ExportException extends \Exception
{

    protected $message;

    public function __construct(string $message = "", int $code = 0, Throwable $previous = null)
    {
        parent::__construct($message, $code, $previous);

        $this->message = $message;
    }

    public function report()
    {
        // 这里自定义发生异常发生时要额外做的事情
        // 比如发邮件通知管理员
        // 
    }


    public function render()
    {
        // 这里需要给浏览器或者API返回必要的通知信息
        // 可以是json 结构, 一般是针对API调用的
        // 也可以渲染一个网页, 一般是针对浏览器访问的页面
        // 也可以直接重定向到其他网页

        return response()->json(['status' => 200, 'message' => $this->message], 503);
    }
}

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var array
     */
    protected $dontReport = [
        
         ExportException::class
    ];

try {
   $res = 1/0;
} catch (\App\Exceptions\ExportException $e) {
   throw new \App\Exceptions\ExportException($e->getMessage());
}

public function render($request, Exception $exception)
{
   dd(get_class($exception));  // ErrorException
        
   return parent::render($request, $exception);
}

try {
    $res = 1/0;
} catch ( ErrorException $e) {
    throw new \App\Exceptions\ExportException($e->getMessage());
}

try {
   $res = 1/0;
} catch ( Exception $e) {
   throw new \App\Exceptions\ExportException($e->getMessage());
}

protected function sendFailedLoginResponse(Request $request)
{
    throw ValidationException::withMessages([
        $this->username() => [trans('auth.failed')],
    ]);
}

function str(MessageInterface $message)
{
    if ($message instanceof RequestInterface) {
        $msg = trim($message->getMethod() . ' '
                . $message->getRequestTarget())
            . ' HTTP/' . $message->getProtocolVersion();
        if (!$message->hasHeader('host')) {
            $msg .= "\r\nHost: " . $message->getUri()->getHost();
        }
    } elseif ($message instanceof ResponseInterface) {
        $msg = 'HTTP/' . $message->getProtocolVersion() . ' '
            . $message->getStatusCode() . ' '
            . $message->getReasonPhrase();
    } else {
        throw new \InvalidArgumentException('Unknown message type');
    }

    foreach ($message->getHeaders() as $name => $values) {
        $msg .= "\r\n{$name}: " . implode(', ', $values);
    }

    return "{$msg}\r\n\r\n" . $message->getBody();
}

function getValues() {
    yield 'value';
}
// 输出字符串 "value"
echo getValues();

function getValues() {
    return 'value';
}
var_dump(getValues()); // string(5) "value"

function getValues() {
    yield 'value';
}
var_dump(getValues()); // class Generator#1 (0) {}

foreach (getValues() as $value) {
   echo $value;
}

// 使用变量也是好的
$values = getValues();
foreach ($values as $value) {
   echo $value;
}

<?php
function getValues() {
   $valuesArray = [];
   // 获取初始内存使用量
   echo round(memory_get_usage() / 1024 / 1024, 2) . ' MB' . PHP_EOL;
   for ($i = 1; $i < 800000; $i++) {
      $valuesArray[] = $i;
      // 为了让我们能进行分析，所以我们测量一下内存使用量
      if (($i % 200000) == 0) {
         // 来 MB 为单位获取内存使用量
         echo round(memory_get_usage() / 1024 / 1024, 2) . ' MB'. PHP_EOL;
      }
   }
   return $valuesArray;
}
$myValues = getValues(); // 一旦我们调用函数将会在这里创建数组
foreach ($myValues as $value) {}

<?php
function getValues() {
   // 获取内存使用数据
   echo round(memory_get_usage() / 1024 / 1024, 2) . ' MB' . PHP_EOL;
   for ($i = 1; $i < 800000; $i++) {
      yield $i;
      // 做性能分析，因此可测量内存使用率
      if (($i % 200000) == 0) {
         // 内存使用以 MB 为单位
         echo round(memory_get_usage() / 1024 / 1024, 2) . ' MB'. PHP_EOL;
      }
   }
}
$myValues = getValues(); // 在循环之前都不会有动作
foreach ($myValues as $value) {} // 开始生成数据

function foo(int $number = 1) {

}

<?php
function foo(?string $name)
{
    return $name;
}
echo foo(null); // 不会返回任何东西
echo foo('Nauman'); // Nauman
echo foo(); // 致命错误

function foo(?string $name) : string
{
    return $name;
}
echo foo(null); // 致命错误，必须返回 string 类型
echo foo('Nauman'); // Nauman


// 返回 void 类型
$attribute = 2;
function changeAttribute(string &$param, $value) : void {
    $param = $value;
}

public function authenticated(Request $request,User $user){
    $previous_session = $user->session_id;

    if ($previous_session) {
        \Session::getHandler()->destroy($previous_session);
    }
    \Auth::user()->session_id = \Session::getId();
    \Auth::user()->save();
    return redirect()->intended($this->redirectPath());
}