问我如何判断哪些外部模块必须安装到PHP中才能在另一台计算机上复制配置？

EN

# root@dev$ php -m
# 'bz2',         # php-common
# 'calendar',    # php-common
# 'Core',        # php-common
# 'ctype',       # php-common
# 'curl',        # php-common
# 'date',        # php-common
# 'dom',         # php-xml
# 'ereg',        # php-common
# 'exif',        # php-common
# 'fileinfo',    # php-common
# 'filter',      # php-common
# 'ftp',         # php-common
  'gd',          # php-gd needs install
# 'gettext',     # php-common
# 'gmp',         # php-common
# 'hash',        # php-common
# 'iconv',       # php-common
# 'json',        # php-common
# 'libxml',      # php-common
  'memcache',    # php-pecl-memcache needs install
  'mysql',       # php-mysql needs install
# 'mysqli',      # php-mysql
# 'openssl',     # php-common
# 'pcntl',       # php-cli
# 'pcre',        # php-common
  'PDO',         # says php-pdo but in common as of 5.3
# 'pdo_mysql',   # php-mysql
# 'pdo_sqlite',  # php-pdo
# 'Phar',        # php-common
  'pspell',      # php-pspell needs install
# 'readline',    # php-cli
# 'Reflection',  # php-common
# 'session',     # php-common
# 'shmop',       # php-common
# 'SimpleXML',   # php-common
  'snmp',        # php-snmp
# 'sockets',     # php-common
# 'SPL',         # php-common
# 'sqlite3',     # php-pdo
# 'standard',    # php-common
# 'tokenizer',   # php-common
# 'wddx',        # php-xml
  'xml',         # php-xml needs install
# 'xmlreader',   # php-xml
  'xmlrpc',      # php-xmlrpc needs install
# 'xmlwriter',   # php-xml
# 'xsl',         # php-xml
# 'zip',         # php-common
# 'zlib'         # php-common

$php_modules        = ['gd','mysql','pspell','snmp','xml','xmlrpc']

package { 'php-pecl-memcached':
    ensure => installed,
}

php::module { $php_modules : }