按照此页面的说明（下面的链接），我仍然无法安装作曲家，我不确定我在哪里失败了。有什么好的眼睛可以发现我的错误吗？我非常接近我能感觉到它，但还没有运气，这可能是我在这里做的一个简单的错误......请帮助！
https://getcomposer.org/download/
步骤1：
curl -sS https://getcomposer.org/installer | php
控制台响应：
#!/usr/bin/env php
Some settings on your machine make Composer unable to work properly.
Make sure that you fix the issues listed below and run this script again:
The openssl extension is missing, which means that secure HTTPS transfers are impossible.
If possible you should enable it or recompile php with --with-openssl
第2步：
<?php phpinfo(); ?>
回复：
Apache Version
Apache/2.2.24 (Unix) mod_ssl/2.2.24 OpenSSL/1.0.1e DAV/2 PHP/5.4.15
Additional .ini files parsed
/opt/local/var/db/php54/openssl.ini,
OpenSSL support enabled
OpenSSL Library Version OpenSSL 1.0.1e 11 Feb 2013
OpenSSL Header Version OpenSSL 1.0.1e 11 Feb 2013
第 3 步：
cd /opt/local/var/db
ls -al
回复：
drwxr-xr-x 25 root admin 850 6 Jan 23:52 php5
drwxr-xr-x 4 root admin 136 29 Dec 20:39 php53
drwxr-xr-x 27 root admin 918 28 Jan 12:34 php54
第4步：
cd php54
ls -al
回复：
......
-rw-r--r-- 1 root admin 237 10 May 2013 openssl.ini
......
第 5 步：
vim openssl.ini
回复：
; Do not edit this file; it is automatically generated by MacPorts. Any changes
; you make will be lost if you upgrade, uninstall or deactivate php54-openssl.
; To configure php54, edit /opt/local/etc/php54/php.ini.
extension=openssl.so
第5步：（只是为了仔细检查）
sudo port install php54-openssl
回复：
---> Computing dependencies for php54-openssl
---> Cleaning php54-openssl
---> Scanning binaries for linking errors: 100.0%
---> No broken files found.
第 6 步：
sudo /opt/local/apache2/bin/apachectl -k restart
第 7 步：
curl -sS https://getcomposer.org/installer | php
回复：
如步骤 1
第 8 步：
curl -sS https://getcomposer.org/installer | php54
回复：
#!/usr/bin/env php
All settings correct for using Composer
Downloading...
Could not create file /opt/local/var/db/php54/composer.phar: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
Download failed: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
fwrite() expects parameter 1 to be resource, boolean given
Downloading...
Could not create file /opt/local/var/db/php54/composer.phar: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
Download failed: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
fwrite() expects parameter 1 to be resource, boolean given
Downloading...
Could not create file /opt/local/var/db/php54/composer.phar: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
Download failed: fopen(/opt/local/var/db/php54/composer.phar): failed to open stream: Permission denied
fwrite() expects parameter 1 to be resource, boolean given
The download failed repeatedly, aborting.
第 9 步：
sudo curl -sS https://getcomposer.org/installer | php54
回复：
如第 8 步