composer ошибка при установке
устанавливаю библиотеку composer install в ответ ошибка, такая же ошибка если делаю composer update, что не так делаю? mcrypt поставил
Your requirements could not be resolved to an installable set of packages.
Problem 1
- scrivo/highlight.php v9.18.1.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php v9.18.1.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php v9.18.1.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php v9.18.0.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php v9.17.1.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php v9.17.1.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- scrivo/highlight.php 9.18.x-dev requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- phpdocumentor/phpdocumentor dev-master requires scrivo/highlight.php ^9.17 -> satisfiable by scrivo/highlight.php[9.18.x-dev, v9.17.1.0, v9.17.1.1, v9.18.0.0, v9.18.1.0, v9.18.1.1, v9.18.1.2].
- Installation request for phpdocumentor/phpdocumentor dev-master -> satisfiable by phpdocumentor/phpdocumentor[dev-master].
To enable extensions, verify that they are enabled in your .ini files:
- /etc/php/7.2/cli/php.ini
- /etc/php/7.2/cli/conf.d/10-mysqlnd.ini
- /etc/php/7.2/cli/conf.d/10-opcache.ini
- /etc/php/7.2/cli/conf.d/10-pdo.ini
- /etc/php/7.2/cli/conf.d/15-xml.ini
- /etc/php/7.2/cli/conf.d/20-calendar.ini
- /etc/php/7.2/cli/conf.d/20-ctype.ini
- /etc/php/7.2/cli/conf.d/20-dom.ini
- /etc/php/7.2/cli/conf.d/20-exif.ini
- /etc/php/7.2/cli/conf.d/20-fileinfo.ini
- /etc/php/7.2/cli/conf.d/20-ftp.ini
- /etc/php/7.2/cli/conf.d/20-gettext.ini
- /etc/php/7.2/cli/conf.d/20-iconv.ini
- /etc/php/7.2/cli/conf.d/20-json.ini
- /etc/php/7.2/cli/conf.d/20-mysqli.ini
- /etc/php/7.2/cli/conf.d/20-pdo_mysql.ini
- /etc/php/7.2/cli/conf.d/20-phar.ini
- /etc/php/7.2/cli/conf.d/20-posix.ini
- /etc/php/7.2/cli/conf.d/20-readline.ini
- /etc/php/7.2/cli/conf.d/20-shmop.ini
- /etc/php/7.2/cli/conf.d/20-simplexml.ini
- /etc/php/7.2/cli/conf.d/20-sockets.ini
- /etc/php/7.2/cli/conf.d/20-sysvmsg.ini
- /etc/php/7.2/cli/conf.d/20-sysvsem.ini
- /etc/php/7.2/cli/conf.d/20-sysvshm.ini
- /etc/php/7.2/cli/conf.d/20-tokenizer.ini
- /etc/php/7.2/cli/conf.d/20-wddx.ini
- /etc/php/7.2/cli/conf.d/20-xmlreader.ini
- /etc/php/7.2/cli/conf.d/20-xmlwriter.ini
- /etc/php/7.2/cli/conf.d/20-xsl.ini
You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.