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The ProcessHelper class provides helpers to run external processes.

CloneableInstantiable
Methods
public static Symfony\Component\Console\Helper\Helper::formatMemory(int $memory) : string
public static Symfony\Component\Console\Helper\Helper::formatTime(int|float $secs, int $precision = 1) : string
public Symfony\Component\Console\Helper\Helper::getHelperSet() : ?Symfony\Component\Console\Helper\HelperSet
public getName() : string
public static Symfony\Component\Console\Helper\Helper::length(?string $string) : int
 

Returns the length of a string, using mb_strlen if it is available.

The length is related to how many bytes the string will use.

public mustRun(Symfony\Component\Console\Output\OutputInterface $output, Symfony\Component\Process\Process|array $cmd, ?string $error = NULL, ?callable $callback = NULL, int $verbosity = 128Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERY_VERBOSE) : Symfony\Component\Process\Process
 

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 array|\Process $cmd An instance of Process or a command to run
  • param callable|null $callback A PHP callback to run whenever there is some output available on STDOUT or STDERR
  • throws \ProcessFailedException
  • see \run()
public static Symfony\Component\Console\Helper\Helper::removeDecoration(Symfony\Component\Console\Formatter\OutputFormatterInterface $formatter, ?string $string) : string
public run(Symfony\Component\Console\Output\OutputInterface $output, Symfony\Component\Process\Process|array $cmd, ?string $error = NULL, ?callable $callback = NULL, int $verbosity = 128Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERY_VERBOSE) : Symfony\Component\Process\Process
 

Runs an external process.

  • param array|\Process $cmd An instance of Process or an array of the command and arguments
  • param callable|null $callback A PHP callback to run whenever there is some output available on STDOUT or STDERR
public Symfony\Component\Console\Helper\Helper::setHelperSet(?Symfony\Component\Console\Helper\HelperSet $helperSet) : void
public static Symfony\Component\Console\Helper\Helper::substr(?string $string, int $from, ?int $length = NULL) : string
 

Returns the subset of a string, using mb_substr if it is available.

public static Symfony\Component\Console\Helper\Helper::width(?string $string) : int
 

Returns the width of a string, using mb_strwidth if it is available.

The width is how many characters positions the string will use.

public wrapCallback(Symfony\Component\Console\Output\OutputInterface $output, Symfony\Component\Process\Process $process, ?callable $callback = NULL) : callable
 

Wraps a Process callback to add debugging output.

Properties
protected ?Symfony\Component\Console\Helper\HelperSet Symfony\Component\Console\Helper\Helper::$helperSet = NULL
Methods
private escapeString(string $str) : string
Methods
public static Symfony\Component\Console\Helper\Helper::formatMemory(int $memory) : string
public static Symfony\Component\Console\Helper\Helper::formatTime(int|float $secs, int $precision = 1) : string
public static Symfony\Component\Console\Helper\Helper::length(?string $string) : int
 

Returns the length of a string, using mb_strlen if it is available.

The length is related to how many bytes the string will use.

public static Symfony\Component\Console\Helper\Helper::removeDecoration(Symfony\Component\Console\Formatter\OutputFormatterInterface $formatter, ?string $string) : string
public static Symfony\Component\Console\Helper\Helper::substr(?string $string, int $from, ?int $length = NULL) : string
 

Returns the subset of a string, using mb_substr if it is available.

public static Symfony\Component\Console\Helper\Helper::width(?string $string) : int
 

Returns the width of a string, using mb_strwidth if it is available.

The width is how many characters positions the string will use.

© 2025 Bruce Wells