Usage of shell exec operation in packagist top 2k

shell_exec

/home/nikic/package-analysis/sources/globalcitizen/php-iban/utils/convert-registry.php:10
    `iconv -f utf8 -t ascii --byte-subst="<0x%x>" --unicode-subst="<U+%04X>" 'IBAN_Registry.txt'`
/home/nikic/package-analysis/sources/johnpbloch/wordpress-core/wp-includes/ID3/getid3.lib.php:621
    `$commandline`
/home/nikic/package-analysis/sources/johnpbloch/wordpress-core/wp-includes/ID3/getid3.lib.php:1416
    `$commandline`
/home/nikic/package-analysis/sources/johnpbloch/wordpress-core/wp-includes/ID3/getid3.php:196
    `$commandline`
/home/nikic/package-analysis/sources/johnpbloch/wordpress-core/wp-includes/ID3/getid3.php:1358
    `$commandline`
/home/nikic/package-analysis/sources/johnpbloch/wordpress-core/wp-includes/ID3/getid3.php:1370
    `$commandline`
/home/nikic/package-analysis/sources/symfony/symfony/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php:97
    `where.exe composer.phar`
/home/nikic/package-analysis/sources/symfony/symfony/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php:97
    `which composer.phar 2> /dev/null`
/home/nikic/package-analysis/sources/symfony/symfony/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php:50
    `ipcs -s`
/home/nikic/package-analysis/sources/symfony/symfony/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php:58
    `LC_ALL=C ipcs -su`
/home/nikic/package-analysis/sources/symfony/lock/Tests/Store/SemaphoreStoreTest.php:50
    `ipcs -s`
/home/nikic/package-analysis/sources/symfony/lock/Tests/Store/SemaphoreStoreTest.php:58
    `LC_ALL=C ipcs -su`
/home/nikic/package-analysis/sources/symfony/phpunit-bridge/bin/simple-phpunit.php:97
    `where.exe composer.phar`
/home/nikic/package-analysis/sources/symfony/phpunit-bridge/bin/simple-phpunit.php:97
    `which composer.phar 2> /dev/null`
/home/nikic/package-analysis/sources/zendframework/zend-console/src/Adapter/Posix.php:366
    `stty -g`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:67
    `perl -pi -e 's/$oldVersion/$newVersion/' lib/Boris/Boris.php README.md`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:70
    `git commit -am "Version bump to $newVersion"`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:73
    `git push`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:76
    `git tag -a "v$newVersion" -m "Auto-generated tag"`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:79
    `git push --tags`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:82
    `curl \
     -sL \
     -XPOST \
     -H "Authorization: token $token" \
     --data-binary '{"tag_name":"v$newVersion"}' \
     https://api.github.com/repos/$user/$repo/releases`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:99
    `box build`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:102
    `curl -XPOST \
     -sL \
     -H "Authorization: token $token" \
     -H "Content-Type: application/octet-stream" \
     --data-binary @$phar \
     https://uploads.github.com/repos/$user/$repo/releases/$id/assets?name=$phar`
/home/nikic/package-analysis/sources/d11wtq/boris/release.php:124
    `git remote -v`
/home/nikic/package-analysis/sources/pear/pear/PEAR/RunTest.php:242
    `$cmd`
/home/nikic/package-analysis/sources/pear/pear/PEAR/Start.php:190
    `whoami`
/home/nikic/package-analysis/sources/roots/wordpress/wp-includes/ID3/getid3.lib.php:621
    `$commandline`
/home/nikic/package-analysis/sources/roots/wordpress/wp-includes/ID3/getid3.lib.php:1416
    `$commandline`
/home/nikic/package-analysis/sources/roots/wordpress/wp-includes/ID3/getid3.php:196
    `$commandline`
/home/nikic/package-analysis/sources/roots/wordpress/wp-includes/ID3/getid3.php:1358
    `$commandline`
/home/nikic/package-analysis/sources/roots/wordpress/wp-includes/ID3/getid3.php:1370
    `$commandline`
/home/nikic/package-analysis/sources/monolog/monolog/src/Monolog/Processor/MercurialProcessor.php:52
    `hg id -nb`
/home/nikic/package-analysis/sources/monolog/monolog/src/Monolog/Processor/GitProcessor.php:53
    `git branch -v --no-abbrev`
/home/nikic/package-analysis/sources/infection/infection/src/TestFramework/AbstractTestFrameworkAdapter.php:155
    `command -v php`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:37
    `git checkout $branch`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:41
    `git checkout -- .`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:45
    `git rev-parse --abbrev-ref HEAD`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:88
    `cp $dst/$version/index.html $dst/index.html`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:89
    `cp $dst/$version/CNAME $dst/CNAME`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:96
    `mkdir -p .generated`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:97
    `cp -r $src/* .generated`
/home/nikic/package-analysis/sources/league/plates/scripts/build-docs.php:107
    `rm -rf $dir`
/home/nikic/package-analysis/sources/silverstripe/framework/src/Dev/CSSContentParser.php:51
    `echo $CLI_content | tidy --force-output 1 -n -q -utf8 -asxhtml -w 0 2> /dev/null`
/home/nikic/package-analysis/sources/parsecsv/php-parsecsv/tests/Bootstrap.php:4
    `composer dump-autoload`
/home/nikic/package-analysis/sources/gregwar/image/tests/ImageTests.php:480
    `rm -rf $dir`
/home/nikic/package-analysis/sources/gregwar/cache/tests/CacheTests.php:206
    `rm -rf $cacheDirectory`
/home/nikic/package-analysis/sources/gregwar/cache/demo/garbage.php:8
    `mkdir cache`
/home/nikic/package-analysis/sources/gregwar/cache/demo/garbage.php:10
    `touch -t 9901010101 cache/foo`
/home/nikic/package-analysis/sources/gregwar/cache/demo/garbage.php:11
    `touch cache/bar`
/home/nikic/package-analysis/sources/topthink/framework/library/think/Process.php:626
    `ps -o pid --no-heading --ppid {$this->getPid()}`
/home/nikic/package-analysis/sources/bshaffer/oauth2-server-php/test/lib/OAuth2/Storage/Bootstrap.php:355
    `psql postgres -tAc "SELECT 1 FROM pg_roles WHERE rolname='postgres'"`
/home/nikic/package-analysis/sources/bshaffer/oauth2-server-php/test/lib/OAuth2/Storage/Bootstrap.php:356
    `createuser -s -r postgres`
/home/nikic/package-analysis/sources/bshaffer/oauth2-server-php/test/lib/OAuth2/Storage/Bootstrap.php:359
    `createdb -O postgres oauth2_server_php`
/home/nikic/package-analysis/sources/bshaffer/oauth2-server-php/test/lib/OAuth2/Storage/Bootstrap.php:369
    `psql -l | grep oauth2_server_php | wc -l`
/home/nikic/package-analysis/sources/bshaffer/oauth2-server-php/test/lib/OAuth2/Storage/Bootstrap.php:370
    `dropdb oauth2_server_php`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/module.audio.shorten.php:139
    `which shorten`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/module.audio.shorten.php:149
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/getid3.lib.php:827
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/getid3.lib.php:1797
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.metaflac.php:121
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.metaflac.php:141
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.metaflac.php:180
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.metaflac.php:196
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.vorbiscomment.php:91
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/write.vorbiscomment.php:106
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/getid3.php:340
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/getid3.php:1573
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/getid3/getid3.php:1584
    `$commandline`
/home/nikic/package-analysis/sources/james-heinrich/getid3/demos/demo.mp3header.php:1093
    `md5sum "$file"`
/home/nikic/package-analysis/sources/marcj/topsort/src/Command/BenchmarkCommand.php:64
    `php $path $class $count`
/home/nikic/package-analysis/sources/codeception/base/src/Codeception/Subscriber/Console.php:495
    `command -v tput >> /dev/null 2>&1 && tput cols`
/home/nikic/package-analysis/sources/codeception/codeception/src/Codeception/Subscriber/Console.php:550
    `command -v tput >> /dev/null 2>&1 && tput cols`