\u5f53\u5b89\u88c5laravel \u65f6\u51fa\u73b0\u8fd9\u5806\u9519\u8bef\uff1a<\/p>\n
Your requirements could not be resolved to an installable set of packages.<\/p>\n
Problem 1
\n– phpunit\/phpunit 5.7.9 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.7 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.6 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.5 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.4 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.3 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.21 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.20 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.2 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.19 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.18 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.17 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.16 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.15 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.14 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.13 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.12 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.11 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.10 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.1 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– phpunit\/phpunit 5.7.0 requires ext-dom * -> the requested PHP extension dom is missing from your system.
\n– Installation request for phpunit\/phpunit ~5.7 -> satisfiable by phpunit\/phpunit[5.7.0, 5.7.1, 5.7.10, 5.7.11, 5.7.12, 5.7.13, 5.7.14, 5.7.15, 5.7.16, 5.7.17, 5.7.18, 5.7.19, 5.7.2, 5.7.20, 5.7.21, 5.7.3, 5.7.4, 5.7.5, 5.7.6, 5.7.7, 5.7.8, 5.7.9].<\/p>\n
To enable extensions, verify that they are enabled in your .ini files:
\n– \/etc\/php\/7.0\/cli\/php.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/10-mysqlnd.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/10-opcache.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/10-pdo.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-calendar.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-ctype.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-exif.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-fileinfo.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-ftp.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-gd.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-gettext.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-iconv.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-json.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-mbstring.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-mysqli.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-pdo_mysql.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-phar.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-posix.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-readline.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-shmop.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-sockets.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-sysvmsg.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-sysvsem.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-sysvshm.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-tokenizer.ini
\n– \/etc\/php\/7.0\/cli\/conf.d\/20-zip.ini
\nYou can also run `php –ini` inside terminal to see which files are used by PHP in CLI mode.<\/p>\n
<\/p>\n
\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n
sudo apt-get install php-xml<\/p>\n
<\/p>\n
\u540e\u91cd\u65b0\u5b89\u88c5\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"