Total: 22
.NET Framework
Test
2021
Project Request
ASP.NET MVC • C# • SQL Server
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2020
ProjectC
ASP.NET MVC • C# • JSON • jQuery
JSON data processing.
Test
2020
Vehicle Maintenance
ASP.NET MVC • VB.NET • JSON
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2019
Movie Navigator
ASP.NET MVC • VB.NET
Request information about movie from IMDB.
Test
2018
Customers Exchange
ASP.NET MVC • C# • SQL Server
Automated teller machine emulation.
Test
2016
ATM
ASP.NET MVC • C#
Automated teller machine emulation.
.NET Core
Pet project
2022
Mail Daemon
.NET 8 • Console • JSON
Utility to send mails with customizable settings.
Custom
Code
2024
Buns of code
.NET Framework • C# • JavaScript
Code snippets from my projects, ready to use; tiny tests; code examples.
PHP
Test
2024
Mediabox
PHP 8 • Laravel 11 • Vue.js • Composer • SQLite
Test project for media files management.
Test
2020
Loan Castle
PHP • MariaDB
Jums jāizstrādā kāda lielāk projekta prototips. Izstrādājot prototipu, paturiet prātā, ka projektam attīstoties, šo prototipu varētu vajadzēt pilnveidot.
Test
2020
Content Management
PHP • MySQL • AJAX
Создать простой сайт, где будет страница с формой для авторизации и страница для авторизованного пользователя.
Test
2019
Laravel
PHP • Laravel • Vue.js • Composer • SQLite
Izveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
Test
2019
Phone Check
PHP • JavaScript • JSON • Docker
Implement application to detect country by phone number.
Frontend
Test
2021
Forex Wall
npm • React
For this exercise, what we need is a simple live wall for tracking currencies.
Business projects
Commercial
2008
Certification Center
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Dapper • JavaScript • jQuery • Git
Transport registration and certification services in Latvia, Customer Relationship Management.
Commercial
2000
Amerikas Auto
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Entity Framework • JavaScript • jQuery • Git
Car service and spare parts for all USA and European car models, Customer Relationship Management.
Pet projects
Pet project
2023
Geolocation Assistant
.NET 8 • ASP.NET Core • C# • Web API • JSON • Git
Website for determining geolocation by IP or geotagged photo.
Pet project
2008
Web Dynamics
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
Software development blog. Articles, books, videos, content management.
Pet project
2000
Blackball
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • XML • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
My entertainment portal created from scratch.
Good old times
Legacy
2000
DOS Clock
Turbo Pascal • Assembler
Digital clock.
Legacy
2000
BrainOut
Turbo Pascal • Assembler
Tank battle game.
Legacy
1999
Airport Administrator
Turbo Pascal
Курсовая работа в институте.
Legacy
1998
Atomizer
Turbo Pascal • Assembler
Atomizer, aka «Studio2D». Graphic raster editor. AGI is my own «Atomizer Generated Image» file format.
Laravel
2019 TestIzveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
PHP
Laravel
Vue.js
Composer
SQLite
Source code
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Process;
use Symfony\Component\Process\Exception\InvalidArgumentException;
use Symfony\Component\Process\Exception\LogicException;
use Symfony\Component\Process\Exception\ProcessFailedException;
use Symfony\Component\Process\Exception\ProcessSignaledException;
use Symfony\Component\Process\Exception\ProcessTimedOutException;
use Symfony\Component\Process\Exception\RuntimeException;
use Symfony\Component\Process\Pipes\PipesInterface;
use Symfony\Component\Process\Pipes\UnixPipes;
use Symfony\Component\Process\Pipes\WindowsPipes;
/**
* Process is a thin wrapper around proc_* functions to easily
* start independent PHP processes.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Romain Neutron <imprec@gmail.com>
*/
class Process implements \IteratorAggregate
{
const ERR = 'err';
const OUT = 'out';
const STATUS_READY = 'ready';
const STATUS_STARTED = 'started';
const STATUS_TERMINATED = 'terminated';
const STDIN = 0;
const STDOUT = 1;
const STDERR = 2;
// Timeout Precision in seconds.
const TIMEOUT_PRECISION = 0.2;
const ITER_NON_BLOCKING = 1; // By default, iterating over outputs is a blocking call, use this flag to make it non-blocking
const ITER_KEEP_OUTPUT = 2; // By default, outputs are cleared while iterating, use this flag to keep them in memory
const ITER_SKIP_OUT = 4; // Use this flag to skip STDOUT while iterating
const ITER_SKIP_ERR = 8; // Use this flag to skip STDERR while iterating
private $callback;
private $hasCallback = false;
private $commandline;
private $cwd;
private $env;
private $input;
private $starttime;
private $lastOutputTime;
private $timeout;
private $idleTimeout;
private $exitcode;
private $fallbackStatus = [];
private $processInformation;
private $outputDisabled = false;
private $stdout;
private $stderr;
private $process;
private $status = self::STATUS_READY;
private $incrementalOutputOffset = 0;
private $incrementalErrorOutputOffset = 0;
private $tty;
private $pty;
private $useFileHandles = false;
/** @var PipesInterface */
private $processPipes;
private $latestSignal;
private static $sigchild;
/**
* Exit codes translation table.
*
* User-defined errors must use exit codes in the 64-113 range.
*/
public static $exitCodes = [
0 => 'OK',
1 => 'General error',
2 => 'Misuse of shell builtins',
126 => 'Invoked command cannot execute',
127 => 'Command not found',
128 => 'Invalid exit argument',
// signals
129 => 'Hangup',
130 => 'Interrupt',
131 => 'Quit and dump core',
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',
];
/**
* @param array $command The command to run and its arguments listed as separate entries
* @param string|null $cwd The working directory or null to use the working dir of the current PHP process
* @param array|null $env The environment variables or null to use the same environment as the current PHP process
* @param mixed|null $input The input as stream resource, scalar or \Traversable, or null for no input
* @param int|float|null $timeout The timeout in seconds or null to disable
*
* @throws RuntimeException When proc_open is not installed
*/
public function __construct($command, string $cwd = null, array $env = null, $input = null, ?float $timeout = 60)
{
if (!\function_exists('proc_open')) {
throw new LogicException('The Process class relies on proc_open, which is not available on your PHP installation.');
}
if (!\is_array($command)) {
@trigger_error(sprintf('Passing a command as string when creating a "%s" instance is deprecated since Symfony 4.2, pass it as an array of its arguments instead, or use the "Process::fromShellCommandline()" constructor if you need features provided by the shell.', __CLASS__), E_USER_DEPRECATED);
}
$this->commandline = $command;
$this->cwd = $cwd;
// on Windows, if the cwd changed via chdir(), proc_open defaults to the dir where PHP was started
// on Gnu/Linux, PHP builds with --enable-maintainer-zts are also affected
// @see : https://bugs.php.net/bug.php?id=51800
// @see : https://bugs.php.net/bug.php?id=50524
if (null === $this->cwd && (\defined('ZEND_THREAD_SAFE') || '\\' === \DIRECTORY_SEPARATOR)) {
$this->cwd = getcwd();
}
if (null !== $env) {
$this->setEnv($env);
}
$this->setInput($input);
$this->setTimeout($timeout);
$this->useFileHandles = '\\' === \DIRECTORY_SEPARATOR;
$this->pty = false;
}
/**
* Creates a Process instance as a command-line to be run in a shell wrapper.
*
* Command-lines are parsed by the shell of your OS (/bin/sh on Unix-like, cmd.exe on Windows.)
* This allows using e.g. pipes or conditional execution. In this mode, signals are sent to the
* shell wrapper and not to your commands.
*
* In order to inject dynamic values into command-lines, we strongly recommend using placeholders.
* This will save escaping values, which is not portable nor secure anyway:
*
* $process = Process::fromShellCommandline('my_command "$MY_VAR"');
* $process->run(null, ['MY_VAR' => $theValue]);
*
* @param string $command The command line to pass to the shell of the OS
* @param string|null $cwd The working directory or null to use the working dir of the current PHP process
* @param array|null $env The environment variables or null to use the same environment as the current PHP process
* @param mixed|null $input The input as stream resource, scalar or \Traversable, or null for no input
* @param int|float|null $timeout The timeout in seconds or null to disable
*
* @throws RuntimeException When proc_open is not installed
*/
public static function fromShellCommandline(string $command, string $cwd = null, array $env = null, $input = null, ?float $timeout = 60)
{
$process = new static([], $cwd, $env, $input, $timeout);
$process->commandline = $command;
return $process;
}
public function __destruct()
{
$this->stop(0);
}
public function __clone()
{
$this->resetProcessData();
}
/**
* Runs the process.
*
* The callback receives the type of output (out or err) and
* some bytes from the output in real-time. It allows to have feedback
* from the independent process during execution.
*
* The STDOUT and STDERR are also available after the process is finished
* via the getOutput() and getErrorOutput() methods.
*
* @param callable|null $callback A PHP callback to run whenever there is some
* output available on STDOUT or STDERR
* @param array $env An array of additional env vars to set when running the process
*
* @return int The exit status code
*
* @throws RuntimeException When process can't be launched
* @throws RuntimeException When process stopped after receiving signal
* @throws LogicException In case a callback is provided and output has been disabled
*
* @final
*/
public function run(callable $callback = null, array $env = []): int
{
$this->start($callback, $env);
return $this->wait();
}
/**
* Runs the process.
*
* This is identical to run() except that an exception is thrown if the process
* exits with a non-zero exit code.
*
* @param callable|null $callback
* @param array $env An array of additional env vars to set when running the process
*
* @return self
*
* @throws ProcessFailedException if the process didn't terminate successfully
*
* @final
*/
public function mustRun(callable $callback = null, array $env = [])
{
if (0 !== $this->run($callback, $env)) {
throw new ProcessFailedException($this);
}
return $this;
}
/**
* Starts the process and returns after writing the input to STDIN.
*
* This method blocks until all STDIN data is sent to the process then it
* returns while the process runs in the background.
*
* The termination of the process can be awaited with wait().
*
* The callback receives the type of output (out or err) and some bytes from
* the output in real-time while writing the standard input to the process.
* It allows to have feedback from the independent process during execution.
*
* @param callable|null $callback A PHP callback to run whenever there is some
* output available on STDOUT or STDERR
* @param array $env An array of additional env vars to set when running the process
*
* @throws RuntimeException When process can't be launched
* @throws RuntimeException When process is already running
* @throws LogicException In case a callback is provided and output has been disabled
*/
public function start(callable $callback = null, array $env = [])
{
if ($this->isRunning()) {
throw new RuntimeException('Process is already running');
}
$this->resetProcessData();
$this->starttime = $this->lastOutputTime = microtime(true);
$this->callback = $this->buildCallback($callback);
$this->hasCallback = null !== $callback;
$descriptors = $this->getDescriptors();
if (\is_array($commandline = $this->commandline)) {
$commandline = implode(' ', array_map([$this, 'escapeArgument'], $commandline));
if ('\\' !== \DIRECTORY_SEPARATOR) {
// exec is mandatory to deal with sending a signal to the process
$commandline = 'exec '.$commandline;
}
}
if ($this->env) {
$env += $this->env;
}
$env += $this->getDefaultEnv();
$options = ['suppress_errors' => true];
if ('\\' === \DIRECTORY_SEPARATOR) {
$options['bypass_shell'] = true;
$commandline = $this->prepareWindowsCommandLine($commandline, $env);
} elseif (!$this->useFileHandles && $this->isSigchildEnabled()) {
// last exit code is output on the fourth pipe and caught to work around --enable-sigchild
$descriptors[3] = ['pipe', 'w'];
// See https://unix.stackexchange.com/questions/71205/background-process-pipe-input
$commandline = '{ ('.$commandline.') <&3 3<&- 3>/dev/null & } 3<&0;';
$commandline .= 'pid=$!; echo $pid >&3; wait $pid; code=$?; echo $code >&3; exit $code';
// Workaround for the bug, when PTS functionality is enabled.
// @see : https://bugs.php.net/69442
$ptsWorkaround = fopen(__FILE__, 'r');
}
$envPairs = [];
foreach ($env as $k => $v) {
if (false !== $v) {
$envPairs[] = $k.'='.$v;
}
}
if (!is_dir($this->cwd)) {
throw new RuntimeException(sprintf('The provided cwd "%s" does not exist.', $this->cwd));
}
$this->process = proc_open($commandline, $descriptors, $this->processPipes->pipes, $this->cwd, $envPairs, $options);
if (!\is_resource($this->process)) {
throw new RuntimeException('Unable to launch a new process.');
}
$this->status = self::STATUS_STARTED;
if (isset($descriptors[3])) {
$this->fallbackStatus['pid'] = (int) fgets($this->processPipes->pipes[3]);
}
if ($this->tty) {
return;
}
$this->updateStatus(false);
$this->checkTimeout();
}
/**
* Restarts the process.
*
* Be warned that the process is cloned before being started.
*
* @param callable|null $callback A PHP callback to run whenever there is some
* output available on STDOUT or STDERR
* @param array $env An array of additional env vars to set when running the process
*
* @return $this
*
* @throws RuntimeException When process can't be launched
* @throws RuntimeException When process is already running
*
* @see start()
*
* @final
*/
public function restart(callable $callback = null, array $env = [])
{
if ($this->isRunning()) {
throw new RuntimeException('Process is already running');
}
$process = clone $this;
$process->start($callback, $env);
return $process;
}
/**
* Waits for the process to terminate.
*
* The callback receives the type of output (out or err) and some bytes
* from the output in real-time while writing the standard input to the process.
* It allows to have feedback from the independent process during execution.
*
* @param callable|null $callback A valid PHP callback
*
* @return int The exitcode of the process
*
* @throws RuntimeException When process timed out
* @throws RuntimeException When process stopped after receiving signal
* @throws LogicException When process is not yet started
*/
public function wait(callable $callback = null)
{
$this->requireProcessIsStarted(__FUNCTION__);
$this->updateStatus(false);
if (null !== $callback) {
if (!$this->processPipes->haveReadSupport()) {
$this->stop(0);
throw new \LogicException('Pass the callback to the "Process::start" method or call enableOutput to use a callback with "Process::wait"');
}
$this->callback = $this->buildCallback($callback);
}
do {
$this->checkTimeout();
$running = '\\' === \DIRECTORY_SEPARATOR ? $this->isRunning() : $this->processPipes->areOpen();
$this->readPipes($running, '\\' !== \DIRECTORY_SEPARATOR || !$running);
} while ($running);
while ($this->isRunning()) {
$this->checkTimeout();
usleep(1000);
}
if ($this->processInformation['signaled'] && $this->processInformation['termsig'] !== $this->latestSignal) {
throw new ProcessSignaledException($this);
}
return $this->exitcode;
}
/**
* Waits until the callback returns true.
*
* The callback receives the type of output (out or err) and some bytes
* from the output in real-time while writing the standard input to the process.
* It allows to have feedback from the independent process during execution.
*
* @throws RuntimeException When process timed out
* @throws LogicException When process is not yet started
*/
public function waitUntil(callable $callback): bool
{
$this->requireProcessIsStarted(__FUNCTION__);
$this->updateStatus(false);
if (!$this->processPipes->haveReadSupport()) {
$this->stop(0);
throw new \LogicException('Pass the callback to the "Process::start" method or call enableOutput to use a callback with "Process::waitUntil".');
}
$callback = $this->buildCallback($callback);
$ready = false;
while (true) {
$this->checkTimeout();
$running = '\\' === \DIRECTORY_SEPARATOR ? $this->isRunning() : $this->processPipes->areOpen();
$output = $this->processPipes->readAndWrite($running, '\\' !== \DIRECTORY_SEPARATOR || !$running);
foreach ($output as $type => $data) {
if (3 !== $type) {
$ready = $callback(self::STDOUT === $type ? self::OUT : self::ERR, $data) || $ready;
} elseif (!isset($this->fallbackStatus['signaled'])) {
$this->fallbackStatus['exitcode'] = (int) $data;
}
}
if ($ready) {
return true;
}
if (!$running) {
return false;
}
usleep(1000);
}
}
/**
* Returns the Pid (process identifier), if applicable.
*
* @return int|null The process id if running, null otherwise
*/
public function getPid()
{
return $this->isRunning() ? $this->processInformation['pid'] : null;
}
/**
* Sends a POSIX signal to the process.
*
* @param int $signal A valid POSIX signal (see http://www.php.net/manual/en/pcntl.constants.php)
*
* @return $this
*
* @throws LogicException In case the process is not running
* @throws RuntimeException In case --enable-sigchild is activated and the process can't be killed
* @throws RuntimeException In case of failure
*/
public function signal($signal)
{
$this->doSignal($signal, true);
return $this;
}
/**
* Disables fetching output and error output from the underlying process.
*
* @return $this
*
* @throws RuntimeException In case the process is already running
* @throws LogicException if an idle timeout is set
*/
public function disableOutput()
{
if ($this->isRunning()) {
throw new RuntimeException('Disabling output while the process is running is not possible.');
}
if (null !== $this->idleTimeout) {
throw new LogicException('Output can not be disabled while an idle timeout is set.');
}
$this->outputDisabled = true;
return $this;
}
/**
* Enables fetching output and error output from the underlying process.
*
* @return $this
*
* @throws RuntimeException In case the process is already running
*/
public function enableOutput()
{
if ($this->isRunning()) {
throw new RuntimeException('Enabling output while the process is running is not possible.');
}
$this->outputDisabled = false;
return $this;
}
/**
* Returns true in case the output is disabled, false otherwise.
*
* @return bool
*/
public function isOutputDisabled()
{
return $this->outputDisabled;
}
/**
* Returns the current output of the process (STDOUT).
*
* @return string The process output
*
* @throws LogicException in case the output has been disabled
* @throws LogicException In case the process is not started
*/
public function getOutput()
{
$this->readPipesForOutput(__FUNCTION__);
if (false === $ret = stream_get_contents($this->stdout, -1, 0)) {
return '';
}
return $ret;
}
/**
* Returns the output incrementally.
*
* In comparison with the getOutput method which always return the whole
* output, this one returns the new output since the last call.
*
* @return string The process output since the last call
*
* @throws LogicException in case the output has been disabled
* @throws LogicException In case the process is not started
*/
public function getIncrementalOutput()
{
$this->readPipesForOutput(__FUNCTION__);
$latest = stream_get_contents($this->stdout, -1, $this->incrementalOutputOffset);
$this->incrementalOutputOffset = ftell($this->stdout);
if (false === $latest) {
return '';
}
return $latest;
}
/**
* Returns an iterator to the output of the process, with the output type as keys (Process::OUT/ERR).
*
* @param int $flags A bit field of Process::ITER_* flags
*
* @throws LogicException in case the output has been disabled
* @throws LogicException In case the process is not started
*
* @return \Generator
*/
public function getIterator($flags = 0)
{
$this->readPipesForOutput(__FUNCTION__, false);
$clearOutput = !(self::ITER_KEEP_OUTPUT & $flags);
$blocking = !(self::ITER_NON_BLOCKING & $flags);
$yieldOut = !(self::ITER_SKIP_OUT & $flags);
$yieldErr = !(self::ITER_SKIP_ERR & $flags);
while (null !== $this->callback || ($yieldOut && !feof($this->stdout)) || ($yieldErr && !feof($this->stderr))) {
if ($yieldOut) {
$out = stream_get_contents($this->stdout, -1, $this->incrementalOutputOffset);
if (isset($out[0])) {
if ($clearOutput) {
$this->clearOutput();
} else {
$this->incrementalOutputOffset = ftell($this->stdout);
}
yield self::OUT => $out;
}
}
if ($yieldErr) {
$err = stream_get_contents($this->stderr, -1, $this->incrementalErrorOutputOffset);
if (isset($err[0])) {
if ($clearOutput) {
$this->clearErrorOutput();
} else {
$this->incrementalErrorOutputOffset = ftell($this->stderr);
}
yield self::ERR => $err;
}
}
if (!$blocking && !isset($out[0]) && !isset($err[0])) {
yield self::OUT => '';
}
$this->checkTimeout();
$this->readPipesForOutput(__FUNCTION__, $blocking);
}
}
/**
* Clears the process output.
*
* @return $this
*/
public function clearOutput()
{
ftruncate($this->stdout, 0);
fseek($this->stdout, 0);
$this->incrementalOutputOffset = 0;
return $this;
}
/**
* Returns the current error output of the process (STDERR).
*
* @return string The process error output
*
* @throws LogicException in case the output has been disabled
* @throws LogicException In case the process is not started
*/
public function getErrorOutput()
{
$this->readPipesForOutput(__FUNCTION__);
if (false === $ret = stream_get_contents($this->stderr, -1, 0)) {
return '';
}
return $ret;
}
/**
* Returns the errorOutput incrementally.
*
* In comparison with the getErrorOutput method which always return the
* whole error output, this one returns the new error output since the last
* call.
*
* @return string The process error output since the last call
*
* @throws LogicException in case the output has been disabled
* @throws LogicException In case the process is not started
*/
public function getIncrementalErrorOutput()
{
$this->readPipesForOutput(__FUNCTION__);
$latest = stream_get_contents($this->stderr, -1, $this->incrementalErrorOutputOffset);
$this->incrementalErrorOutputOffset = ftell($this->stderr);
if (false === $latest) {
return '';
}
return $latest;
}
/**
* Clears the process output.
*
* @return $this
*/
public function clearErrorOutput()
{
ftruncate($this->stderr, 0);
fseek($this->stderr, 0);
$this->incrementalErrorOutputOffset = 0;
return $this;
}
/**
* Returns the exit code returned by the process.
*
* @return int|null The exit status code, null if the Process is not terminated
*/
public function getExitCode()
{
$this->updateStatus(false);
return $this->exitcode;
}
/**
* Returns a string representation for the exit code returned by the process.
*
* This method relies on the Unix exit code status standardization
* and might not be relevant for other operating systems.
*
* @return string|null A string representation for the exit status code, null if the Process is not terminated
*
* @see http://tldp.org/LDP/abs/html/exitcodes.html
* @see http://en.wikipedia.org/wiki/Unix_signal
*/
public function getExitCodeText()
{
if (null === $exitcode = $this->getExitCode()) {
return;
}
return isset(self::$exitCodes[$exitcode]) ? self::$exitCodes[$exitcode] : 'Unknown error';
}
/**
* Checks if the process ended successfully.
*
* @return bool true if the process ended successfully, false otherwise
*/
public function isSuccessful()
{
return 0 === $this->getExitCode();
}
/**
* Returns true if the child process has been terminated by an uncaught signal.
*
* It always returns false on Windows.
*
* @return bool
*
* @throws LogicException In case the process is not terminated
*/
public function hasBeenSignaled()
{
$this->requireProcessIsTerminated(__FUNCTION__);
return $this->processInformation['signaled'];
}
/**
* Returns the number of the signal that caused the child process to terminate its execution.
*
* It is only meaningful if hasBeenSignaled() returns true.
*
* @return int
*
* @throws RuntimeException In case --enable-sigchild is activated
* @throws LogicException In case the process is not terminated
*/
public function getTermSignal()
{
$this->requireProcessIsTerminated(__FUNCTION__);
if ($this->isSigchildEnabled() && -1 === $this->processInformation['termsig']) {
throw new RuntimeException('This PHP has been compiled with --enable-sigchild. Term signal can not be retrieved.');
}
return $this->processInformation['termsig'];
}
/**
* Returns true if the child process has been stopped by a signal.
*
* It always returns false on Windows.
*
* @return bool
*
* @throws LogicException In case the process is not terminated
*/
public function hasBeenStopped()
{
$this->requireProcessIsTerminated(__FUNCTION__);
return $this->processInformation['stopped'];
}
/**
* Returns the number of the signal that caused the child process to stop its execution.
*
* It is only meaningful if hasBeenStopped() returns true.
*
* @return int
*
* @throws LogicException In case the process is not terminated
*/
public function getStopSignal()
{
$this->requireProcessIsTerminated(__FUNCTION__);
return $this->processInformation['stopsig'];
}
/**
* Checks if the process is currently running.
*
* @return bool true if the process is currently running, false otherwise
*/
public function isRunning()
{
if (self::STATUS_STARTED !== $this->status) {
return false;
}
$this->updateStatus(false);
return $this->processInformation['running'];
}
/**
* Checks if the process has been started with no regard to the current state.
*
* @return bool true if status is ready, false otherwise
*/
public function isStarted()
{
return self::STATUS_READY != $this->status;
}
/**
* Checks if the process is terminated.
*
* @return bool true if process is terminated, false otherwise
*/
public function isTerminated()
{
$this->updateStatus(false);
return self::STATUS_TERMINATED == $this->status;
}
/**
* Gets the process status.
*
* The status is one of: ready, started, terminated.
*
* @return string The current process status
*/
public function getStatus()
{
$this->updateStatus(false);
return $this->status;
}
/**
* Stops the process.
*
* @param int|float $timeout The timeout in seconds
* @param int $signal A POSIX signal to send in case the process has not stop at timeout, default is SIGKILL (9)
*
* @return int The exit-code of the process
*/
public function stop($timeout = 10, $signal = null)
{
$timeoutMicro = microtime(true) + $timeout;
if ($this->isRunning()) {
// given SIGTERM may not be defined and that "proc_terminate" uses the constant value and not the constant itself, we use the same here
$this->doSignal(15, false);
do {
usleep(1000);
} while ($this->isRunning() && microtime(true) < $timeoutMicro);
if ($this->isRunning()) {
// Avoid exception here: process is supposed to be running, but it might have stopped just
// after this line. In any case, let's silently discard the error, we cannot do anything.
$this->doSignal($signal ?: 9, false);
}
}
if ($this->isRunning()) {
if (isset($this->fallbackStatus['pid'])) {
unset($this->fallbackStatus['pid']);
return $this->stop(0, $signal);
}
$this->close();
}
return $this->exitcode;
}
/**
* Adds a line to the STDOUT stream.
*
* @internal
*/
public function addOutput(string $line)
{
$this->lastOutputTime = microtime(true);
fseek($this->stdout, 0, SEEK_END);
fwrite($this->stdout, $line);
fseek($this->stdout, $this->incrementalOutputOffset);
}
/**
* Adds a line to the STDERR stream.
*
* @internal
*/
public function addErrorOutput(string $line)
{
$this->lastOutputTime = microtime(true);
fseek($this->stderr, 0, SEEK_END);
fwrite($this->stderr, $line);
fseek($this->stderr, $this->incrementalErrorOutputOffset);
}
/**
* Gets the command line to be executed.
*
* @return string The command to execute
*/
public function getCommandLine()
{
return \is_array($this->commandline) ? implode(' ', array_map([$this, 'escapeArgument'], $this->commandline)) : $this->commandline;
}
/**
* Sets the command line to be executed.
*
* @param string|array $commandline The command to execute
*
* @return self The current Process instance
*
* @deprecated since Symfony 4.2.
*/
public function setCommandLine($commandline)
{
@trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2.', __METHOD__), E_USER_DEPRECATED);
$this->commandline = $commandline;
return $this;
}
/**
* Gets the process timeout (max. runtime).
*
* @return float|null The timeout in seconds or null if it's disabled
*/
public function getTimeout()
{
return $this->timeout;
}
/**
* Gets the process idle timeout (max. time since last output).
*
* @return float|null The timeout in seconds or null if it's disabled
*/
public function getIdleTimeout()
{
return $this->idleTimeout;
}
/**
* Sets the process timeout (max. runtime).
*
* To disable the timeout, set this value to null.
*
* @param int|float|null $timeout The timeout in seconds
*
* @return self The current Process instance
*
* @throws InvalidArgumentException if the timeout is negative
*/
public function setTimeout($timeout)
{
$this->timeout = $this->validateTimeout($timeout);
return $this;
}
/**
* Sets the process idle timeout (max. time since last output).
*
* To disable the timeout, set this value to null.
*
* @param int|float|null $timeout The timeout in seconds
*
* @return self The current Process instance
*
* @throws LogicException if the output is disabled
* @throws InvalidArgumentException if the timeout is negative
*/
public function setIdleTimeout($timeout)
{
if (null !== $timeout && $this->outputDisabled) {
throw new LogicException('Idle timeout can not be set while the output is disabled.');
}
$this->idleTimeout = $this->validateTimeout($timeout);
return $this;
}
/**
* Enables or disables the TTY mode.
*
* @param bool $tty True to enabled and false to disable
*
* @return self The current Process instance
*
* @throws RuntimeException In case the TTY mode is not supported
*/
public function setTty($tty)
{
if ('\\' === \DIRECTORY_SEPARATOR && $tty) {
throw new RuntimeException('TTY mode is not supported on Windows platform.');
}
if ($tty && !self::isTtySupported()) {
throw new RuntimeException('TTY mode requires /dev/tty to be read/writable.');
}
$this->tty = (bool) $tty;
return $this;
}
/**
* Checks if the TTY mode is enabled.
*
* @return bool true if the TTY mode is enabled, false otherwise
*/
public function isTty()
{
return $this->tty;
}
/**
* Sets PTY mode.
*
* @param bool $bool
*
* @return self
*/
public function setPty($bool)
{
$this->pty = (bool) $bool;
return $this;
}
/**
* Returns PTY state.
*
* @return bool
*/
public function isPty()
{
return $this->pty;
}
/**
* Gets the working directory.
*
* @return string|null The current working directory or null on failure
*/
public function getWorkingDirectory()
{
if (null === $this->cwd) {
// getcwd() will return false if any one of the parent directories does not have
// the readable or search mode set, even if the current directory does
return getcwd() ?: null;
}
return $this->cwd;
}
/**
* Sets the current working directory.
*
* @param string $cwd The new working directory
*
* @return self The current Process instance
*/
public function setWorkingDirectory($cwd)
{
$this->cwd = $cwd;
return $this;
}
/**
* Gets the environment variables.
*
* @return array The current environment variables
*/
public function getEnv()
{
return $this->env;
}
/**
* Sets the environment variables.
*
* Each environment variable value should be a string.
* If it is an array, the variable is ignored.
* If it is false or null, it will be removed when
* env vars are otherwise inherited.
*
* That happens in PHP when 'argv' is registered into
* the $_ENV array for instance.
*
* @param array $env The new environment variables
*
* @return self The current Process instance
*/
public function setEnv(array $env)
{
// Process can not handle env values that are arrays
$env = array_filter($env, function ($value) {
return !\is_array($value);
});
$this->env = $env;
return $this;
}
/**
* Gets the Process input.
*
* @return resource|string|\Iterator|null The Process input
*/
public function getInput()
{
return $this->input;
}
/**
* Sets the input.
*
* This content will be passed to the underlying process standard input.
*
* @param string|int|float|bool|resource|\Traversable|null $input The content
*
* @return self The current Process instance
*
* @throws LogicException In case the process is running
*/
public function setInput($input)
{
if ($this->isRunning()) {
throw new LogicException('Input can not be set while the process is running.');
}
$this->input = ProcessUtils::validateInput(__METHOD__, $input);
return $this;
}
/**
* Sets whether environment variables will be inherited or not.
*
* @param bool $inheritEnv
*
* @return self The current Process instance
*/
public function inheritEnvironmentVariables($inheritEnv = true)
{
if (!$inheritEnv) {
throw new InvalidArgumentException('Not inheriting environment variables is not supported.');
}
return $this;
}
/**
* Performs a check between the timeout definition and the time the process started.
*
* In case you run a background process (with the start method), you should
* trigger this method regularly to ensure the process timeout
*
* @throws ProcessTimedOutException In case the timeout was reached
*/
public function checkTimeout()
{
if (self::STATUS_STARTED !== $this->status) {
return;
}
if (null !== $this->timeout && $this->timeout < microtime(true) - $this->starttime) {
$this->stop(0);
throw new ProcessTimedOutException($this, ProcessTimedOutException::TYPE_GENERAL);
}
if (null !== $this->idleTimeout && $this->idleTimeout < microtime(true) - $this->lastOutputTime) {
$this->stop(0);
throw new ProcessTimedOutException($this, ProcessTimedOutException::TYPE_IDLE);
}
}
/**
* Returns whether TTY is supported on the current operating system.
*/
public static function isTtySupported(): bool
{
static $isTtySupported;
if (null === $isTtySupported) {
$isTtySupported = (bool) @proc_open('echo 1 >/dev/null', [['file', '/dev/tty', 'r'], ['file', '/dev/tty', 'w'], ['file', '/dev/tty', 'w']], $pipes);
}
return $isTtySupported;
}
/**
* Returns whether PTY is supported on the current operating system.
*
* @return bool
*/
public static function isPtySupported()
{
static $result;
if (null !== $result) {
return $result;
}
if ('\\' === \DIRECTORY_SEPARATOR) {
return $result = false;
}
return $result = (bool) @proc_open('echo 1 >/dev/null', [['pty'], ['pty'], ['pty']], $pipes);
}
/**
* Creates the descriptors needed by the proc_open.
*/
private function getDescriptors(): array
{
if ($this->input instanceof \Iterator) {
$this->input->rewind();
}
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->processPipes = new WindowsPipes($this->input, !$this->outputDisabled || $this->hasCallback);
} else {
$this->processPipes = new UnixPipes($this->isTty(), $this->isPty(), $this->input, !$this->outputDisabled || $this->hasCallback);
}
return $this->processPipes->getDescriptors();
}
/**
* Builds up the callback used by wait().
*
* The callbacks adds all occurred output to the specific buffer and calls
* the user callback (if present) with the received output.
*
* @param callable|null $callback The user defined PHP callback
*
* @return \Closure A PHP closure
*/
protected function buildCallback(callable $callback = null)
{
if ($this->outputDisabled) {
return function ($type, $data) use ($callback) {
if (null !== $callback) {
return $callback($type, $data);
}
};
}
$out = self::OUT;
return function ($type, $data) use ($callback, $out) {
if ($out == $type) {
$this->addOutput($data);
} else {
$this->addErrorOutput($data);
}
if (null !== $callback) {
return $callback($type, $data);
}
};
}
/**
* Updates the status of the process, reads pipes.
*
* @param bool $blocking Whether to use a blocking read call
*/
protected function updateStatus($blocking)
{
if (self::STATUS_STARTED !== $this->status) {
return;
}
$this->processInformation = proc_get_status($this->process);
$running = $this->processInformation['running'];
$this->readPipes($running && $blocking, '\\' !== \DIRECTORY_SEPARATOR || !$running);
if ($this->fallbackStatus && $this->isSigchildEnabled()) {
$this->processInformation = $this->fallbackStatus + $this->processInformation;
}
if (!$running) {
$this->close();
}
}
/**
* Returns whether PHP has been compiled with the '--enable-sigchild' option or not.
*
* @return bool
*/
protected function isSigchildEnabled()
{
if (null !== self::$sigchild) {
return self::$sigchild;
}
if (!\function_exists('phpinfo')) {
return self::$sigchild = false;
}
ob_start();
phpinfo(INFO_GENERAL);
return self::$sigchild = false !== strpos(ob_get_clean(), '--enable-sigchild');
}
/**
* Reads pipes for the freshest output.
*
* @param string $caller The name of the method that needs fresh outputs
* @param bool $blocking Whether to use blocking calls or not
*
* @throws LogicException in case output has been disabled or process is not started
*/
private function readPipesForOutput(string $caller, bool $blocking = false)
{
if ($this->outputDisabled) {
throw new LogicException('Output has been disabled.');
}
$this->requireProcessIsStarted($caller);
$this->updateStatus($blocking);
}
/**
* Validates and returns the filtered timeout.
*
* @throws InvalidArgumentException if the given timeout is a negative number
*/
private function validateTimeout(?float $timeout): ?float
{
$timeout = (float) $timeout;
if (0.0 === $timeout) {
$timeout = null;
} elseif ($timeout < 0) {
throw new InvalidArgumentException('The timeout value must be a valid positive integer or float number.');
}
return $timeout;
}
/**
* Reads pipes, executes callback.
*
* @param bool $blocking Whether to use blocking calls or not
* @param bool $close Whether to close file handles or not
*/
private function readPipes(bool $blocking, bool $close)
{
$result = $this->processPipes->readAndWrite($blocking, $close);
$callback = $this->callback;
foreach ($result as $type => $data) {
if (3 !== $type) {
$callback(self::STDOUT === $type ? self::OUT : self::ERR, $data);
} elseif (!isset($this->fallbackStatus['signaled'])) {
$this->fallbackStatus['exitcode'] = (int) $data;
}
}
}
/**
* Closes process resource, closes file handles, sets the exitcode.
*
* @return int The exitcode
*/
private function close(): int
{
$this->processPipes->close();
if (\is_resource($this->process)) {
proc_close($this->process);
}
$this->exitcode = $this->processInformation['exitcode'];
$this->status = self::STATUS_TERMINATED;
if (-1 === $this->exitcode) {
if ($this->processInformation['signaled'] && 0 < $this->processInformation['termsig']) {
// if process has been signaled, no exitcode but a valid termsig, apply Unix convention
$this->exitcode = 128 + $this->processInformation['termsig'];
} elseif ($this->isSigchildEnabled()) {
$this->processInformation['signaled'] = true;
$this->processInformation['termsig'] = -1;
}
}
// Free memory from self-reference callback created by buildCallback
// Doing so in other contexts like __destruct or by garbage collector is ineffective
// Now pipes are closed, so the callback is no longer necessary
$this->callback = null;
return $this->exitcode;
}
/**
* Resets data related to the latest run of the process.
*/
private function resetProcessData()
{
$this->starttime = null;
$this->callback = null;
$this->exitcode = null;
$this->fallbackStatus = [];
$this->processInformation = null;
$this->stdout = fopen('php://temp/maxmemory:'.(1024 * 1024), 'w+b');
$this->stderr = fopen('php://temp/maxmemory:'.(1024 * 1024), 'w+b');
$this->process = null;
$this->latestSignal = null;
$this->status = self::STATUS_READY;
$this->incrementalOutputOffset = 0;
$this->incrementalErrorOutputOffset = 0;
}
/**
* Sends a POSIX signal to the process.
*
* @param int $signal A valid POSIX signal (see http://www.php.net/manual/en/pcntl.constants.php)
* @param bool $throwException Whether to throw exception in case signal failed
*
* @return bool True if the signal was sent successfully, false otherwise
*
* @throws LogicException In case the process is not running
* @throws RuntimeException In case --enable-sigchild is activated and the process can't be killed
* @throws RuntimeException In case of failure
*/
private function doSignal(int $signal, bool $throwException): bool
{
if (null === $pid = $this->getPid()) {
if ($throwException) {
throw new LogicException('Can not send signal on a non running process.');
}
return false;
}
if ('\\' === \DIRECTORY_SEPARATOR) {
exec(sprintf('taskkill /F /T /PID %d 2>&1', $pid), $output, $exitCode);
if ($exitCode && $this->isRunning()) {
if ($throwException) {
throw new RuntimeException(sprintf('Unable to kill the process (%s).', implode(' ', $output)));
}
return false;
}
} else {
if (!$this->isSigchildEnabled()) {
$ok = @proc_terminate($this->process, $signal);
} elseif (\function_exists('posix_kill')) {
$ok = @posix_kill($pid, $signal);
} elseif ($ok = proc_open(sprintf('kill -%d %d', $signal, $pid), [2 => ['pipe', 'w']], $pipes)) {
$ok = false === fgets($pipes[2]);
}
if (!$ok) {
if ($throwException) {
throw new RuntimeException(sprintf('Error while sending signal "%s".', $signal));
}
return false;
}
}
$this->latestSignal = $signal;
$this->fallbackStatus['signaled'] = true;
$this->fallbackStatus['exitcode'] = -1;
$this->fallbackStatus['termsig'] = $this->latestSignal;
return true;
}
private function prepareWindowsCommandLine(string $cmd, array &$env)
{
$uid = uniqid('', true);
$varCount = 0;
$varCache = [];
$cmd = preg_replace_callback(
'/"(?:(
[^"%!^]*+
(?:
(?: !LF! | "(?:\^[%!^])?+" )
[^"%!^]*+
)++
) | [^"]*+ )"/x',
function ($m) use (&$env, &$varCache, &$varCount, $uid) {
if (!isset($m[1])) {
return $m[0];
}
if (isset($varCache[$m[0]])) {
return $varCache[$m[0]];
}
if (false !== strpos($value = $m[1], "\0")) {
$value = str_replace("\0", '?', $value);
}
if (false === strpbrk($value, "\"%!\n")) {
return '"'.$value.'"';
}
$value = str_replace(['!LF!', '"^!"', '"^%"', '"^^"', '""'], ["\n", '!', '%', '^', '"'], $value);
$value = '"'.preg_replace('/(\\\\*)"/', '$1$1\\"', $value).'"';
$var = $uid.++$varCount;
$env[$var] = $value;
return $varCache[$m[0]] = '!'.$var.'!';
},
$cmd
);
$cmd = 'cmd /V:ON /E:ON /D /C ('.str_replace("\n", ' ', $cmd).')';
foreach ($this->processPipes->getFiles() as $offset => $filename) {
$cmd .= ' '.$offset.'>"'.$filename.'"';
}
return $cmd;
}
/**
* Ensures the process is running or terminated, throws a LogicException if the process has a not started.
*
* @throws LogicException if the process has not run
*/
private function requireProcessIsStarted(string $functionName)
{
if (!$this->isStarted()) {
throw new LogicException(sprintf('Process must be started before calling %s.', $functionName));
}
}
/**
* Ensures the process is terminated, throws a LogicException if the process has a status different than "terminated".
*
* @throws LogicException if the process is not yet terminated
*/
private function requireProcessIsTerminated(string $functionName)
{
if (!$this->isTerminated()) {
throw new LogicException(sprintf('Process must be terminated before calling %s.', $functionName));
}
}
/**
* Escapes a string to be used as a shell argument.
*/
private function escapeArgument(?string $argument): string
{
if ('' === $argument || null === $argument) {
return '""';
}
if ('\\' !== \DIRECTORY_SEPARATOR) {
return "'".str_replace("'", "'\\''", $argument)."'";
}
if (false !== strpos($argument, "\0")) {
$argument = str_replace("\0", '?', $argument);
}
if (!preg_match('/[\/()%!^"<>&|\s]/', $argument)) {
return $argument;
}
$argument = preg_replace('/(\\\\+)$/', '$1$1', $argument);
return '"'.str_replace(['"', '^', '%', '!', "\n"], ['""', '"^^"', '"^%"', '"^!"', '!LF!'], $argument).'"';
}
private function getDefaultEnv()
{
$env = [];
foreach ($_SERVER as $k => $v) {
if (\is_string($v) && false !== $v = getenv($k)) {
$env[$k] = $v;
}
}
foreach ($_ENV as $k => $v) {
if (\is_string($v)) {
$env[$k] = $v;
}
}
return $env;
}
}