composer require php-ffmpeg/php-ffmpeg
PHP Deprecated: Return type of Symfony\Component\Console\Helper\HelperSet::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /usr/share/php/Symfony/Component/Console/Helper/HelperSet.php on line 104
Deprecated: Return type of Symfony\Component\Console\Helper\HelperSet::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /usr/share/php/Symfony/Component/Console/Helper/HelperSet.php on line 104
Do not run Composer as root/super user! See
https://getcomposer.org/root for details
PHP Fatal error: Uncaught Error: Call to undefined function Composer\Command\pcntl_signal() in /usr/share/php/Composer/Command/RequireCommand.php:89
Stack trace:
#0 /usr/share/php/Symfony/Component/Console/Command/Command.php(255): Composer\Command\RequireCommand->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#1 /usr/share/php/Symfony/Component/Console/Application.php(934): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#2 /usr/share/php/Symfony/Component/Console/Application.php(273): Symfony\Component\Console\Application->doRunCommand(Object(Composer\Command\RequireCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#3 /usr/share/php/Composer/Console/Application.php(281): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#4 /usr/share/php/Symfony/Component/Console/Application.php(149): Composer\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /usr/share/php/Composer/Console/Application.php(113): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /usr/bin/composer(62): Composer\Console\Application->run()
#7 {main}
thrown in /usr/share/php/Composer/Command/RequireCommand.php on line 89
Fatal error: Uncaught Error: Call to undefined function Composer\Command\pcntl_signal() in /usr/share/php/Composer/Command/RequireCommand.php:89
Stack trace:
#0 /usr/share/php/Symfony/Component/Console/Command/Command.php(255): Composer\Command\RequireCommand->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#1 /usr/share/php/Symfony/Component/Console/Application.php(934): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#2 /usr/share/php/Symfony/Component/Console/Application.php(273): Symfony\Component\Console\Application->doRunCommand(Object(Composer\Command\RequireCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#3 /usr/share/php/Composer/Console/Application.php(281): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#4 /usr/share/php/Symfony/Component/Console/Application.php(149): Composer\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /usr/share/php/Composer/Console/Application.php(113): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /usr/bin/composer(62): Composer\Console\Application->run()
#7 {main}
thrown in /usr/share/php/Composer/Command/RequireCommand.php on line 89
que quiere decir esto??