/**
* @var array
*/
public static $exitCodes = [// 异常退出 代码
0 => ‘OK‘,// 正常退出
1 => ‘General error‘,// 一般性错误
2 => ‘Misuse of shell builtins‘, // 缺少脚本
126 => ‘Invoked command cannot execute‘,// 执行命令错误
127 => ‘Command not found‘,// 命令没找到
128 => ‘Invalid exit argument‘,// 输入 参数异常
// signals
129 => ‘Hangup‘,// 上行
130 => ‘Interrupt‘,// 中断
131 => ‘Quit and dump core‘,// 退出 并且 打印 内核
132 => ‘Illegal instruction‘,//
133 => ‘Trace/breakpoint trap‘,
134 => ‘Process aborted‘,
135 => ‘Bus error: "access to undefined portion of memory object"‘,
136 => ‘Floating point exception: "erroneous arithmetic operation"‘,
137 => ‘Kill (terminate immediately)‘,
138 => ‘User-defined 1‘,
139 => ‘Segmentation violation‘,
140 => ‘User-defined 2‘,
141 => ‘Write to pipe with no one reading‘,
142 => ‘Signal raised by alarm‘,
143 => ‘Termination (request to terminate)‘,
// 144 - not defined
145 => ‘Child process terminated, stopped (or continued*)‘,
146 => ‘Continue if stopped‘,
147 => ‘Stop executing temporarily‘,
148 => ‘Terminal stop signal‘,
149 => ‘Background process attempting to read from tty ("in")‘,
150 => ‘Background process attempting to write to tty ("out")‘,
151 => ‘Urgent data available on socket‘,
152 => ‘CPU time limit exceeded‘,
153 => ‘File size limit exceeded‘,
154 => ‘Signal raised by timer counting virtual time: "virtual timer expired"‘,
155 => ‘Profiling timer expired‘,
// 156 - not defined
157 => ‘Pollable event‘,
// 158 - not defined
159 => ‘Bad syscall‘,
];
/**
* 构造方法
* @param string $commandline 指令
* @param string|null $cwd 工作目录
* @param array|null $env 环境变量
* @param string|null $input 输入
* @param int|float|null $timeout 超时时间
* @param array $options proc_open的选项
* @throws \RuntimeException
* @api
*/
public function __construct($commandline, $cwd = null, array $env = null, $input = null, $timeout = 60, array $options = [])
{// 命令 工作目录 环境变量 输入 超时时间 选项 数组
if (!function_exists(‘proc_open‘)) {// 如果进程 处理函数 不存在 则 报错
throw new \RuntimeException(‘The Process class relies on proc_open, which is not available on your PHP installation.‘);
}
$this->commandline = $commandline;// 指令
$this->cwd = $cwd;// 目录
if (null === $this->cwd && (defined(‘ZEND_THREAD_SAFE‘) || ‘\\‘ === DS)) {//
// 如果目录为空，并且 定义了 zend_thread_safe 线程安全 并且 不是 windos 下
$this->cwd = getcwd();// 通过获取 工作目录的 方式 进行 获取 数据
}
if (null !== $env) {// 如果环境变量 不为空
$this->setEnv($env);// 设置环境变量
}
$this->input = $input;// 输入获取
$this->setTimeout($timeout);// 设置超时时间
$this->useFileHandles = ‘\\‘ === DS;// 是否使用文本处理
$this->pty = false;// 状态
$this->enhanceWindowsCompatibility = true;// 能够执行窗口命令
$this->enhanceSigchildCompatibility = ‘\\‘ !== DS && $this->isSigchildEnabled();// 能够执行 子命令
$this->options = array_replace([// 选项
‘suppress_errors‘ => true,
‘binary_pipes‘ => true
], $options);
}// 构造函数 就是 进行了 各种 函数的初始化
public function __destruct()// 析构函数
{
$this->stop();
}
public function __clone()// 复制函数
{
$this->resetProcessData();
}
/**
* 运行指令
* @param callback|null $callback
* @return int
*/
public function run($callback = null)// 运行 函数
{
$this->start($callback);
return $this->wait();
}
时间： 2024-10-21 05:17:35