dear singwa 你好:
开始认为有可能root和普通用户的php环境不一致导致，目前已经把php环境统一了但是还是出现下面的异常，很纳闷所以可以指点一下吗？谢谢
异常如下:
Your requirements could not be resolved to an installable set of packages.

Problem 1
- alibabacloud/sdk 1.8.99 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.98 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.97 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.96 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.95 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.94 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.93 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.92 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.91 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.90 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.9 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.89 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.88 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.87 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.86 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.85 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.84 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.83 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.82 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.81 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.80 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.8 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.79 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.78 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.77 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.76 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.75 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.74 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.73 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.72 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.71 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.70 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.7 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.69 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.68 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.67 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.66 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.65 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.64 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.63 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.62 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.61 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.60 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.6 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.59 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.58 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.57 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.56 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.55 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.54 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.53 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.52 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.51 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.50 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.5 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.49 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.48 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.47 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.46 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.45 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.44 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.43 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.42 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.41 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.40 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.4 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.39 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.38 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.37 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.36 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.35 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.34 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.33 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.32 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.31 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.30 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.3 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.29 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.28 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.27 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.26 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.25 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.24 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.23 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.22 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.21 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.20 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.2 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.19 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.18 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.17 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.16 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.15 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.14 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.13 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.12 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.118 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.116 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.115 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.114 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.113 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.112 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.111 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.110 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.11 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.109 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.108 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.107 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.106 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.105 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.104 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.103 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.102 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.101 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.100 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.10 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- alibabacloud/sdk 1.8.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- Installation request for alibabacloud/sdk ^1.8 -> satisfiable by alibabacloud/sdk[1.8.1, 1.8.10, 1.8.100, 1.8.101, 1.8.102, 1.8.103, 1.8.104, 1.8.105, 1.8.106, 1.8.107, 1.8.108, 1.8.109, 1.8.11, 1.8.110, 1.8.111, 1.8.112, 1.8.113, 1.8.114, 1.8.115, 1.8.116, 1.8.118, 1.8.12, 1.8.13, 1.8.14, 1.8.15, 1.8.16, 1.8.17, 1.8.18, 1.8.19, 1.8.2, 1.8.20, 1.8.21, 1.8.22, 1.8.23, 1.8.24, 1.8.25, 1.8.26, 1.8.27, 1.8.28, 1.8.29, 1.8.3, 1.8.30, 1.8.31, 1.8.32, 1.8.33, 1.8.34, 1.8.35, 1.8.36, 1.8.37, 1.8.38, 1.8.39, 1.8.4, 1.8.40, 1.8.41, 1.8.42, 1.8.43, 1.8.44, 1.8.45, 1.8.46, 1.8.47, 1.8.48, 1.8.49, 1.8.5, 1.8.50, 1.8.51, 1.8.52, 1.8.53, 1.8.54, 1.8.55, 1.8.56, 1.8.57, 1.8.58, 1.8.59, 1.8.6, 1.8.60, 1.8.61, 1.8.62, 1.8.63, 1.8.64, 1.8.65, 1.8.66, 1.8.67, 1.8.68, 1.8.69, 1.8.7, 1.8.70, 1.8.71, 1.8.72, 1.8.73, 1.8.74, 1.8.75, 1.8.76, 1.8.77, 1.8.78, 1.8.79, 1.8.8, 1.8.80, 1.8.81, 1.8.82, 1.8.83, 1.8.84, 1.8.85, 1.8.86, 1.8.87, 1.8.88, 1.8.89, 1.8.9, 1.8.90, 1.8.91, 1.8.92, 1.8.93, 1.8.94, 1.8.95, 1.8.96, 1.8.97, 1.8.98, 1.8.99].

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-gd.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-mbstring.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.

Installation failed, reverting ./composer.json to its original content.