php5-fpm 5.5.12+dfsg-2ubuntu5 (amd64 binary) in ubuntu vivid

 This package provides the Fast Process Manager interpreter that runs
 as a daemon and receives Fast/CGI requests. Note that MOST Apache users
 probably want the libapache2-mod-php5 package.
 .
 The following extensions are built in: bcmath bz2 calendar Core ctype date
 dba dom ereg exif fileinfo filter ftp gettext hash iconv libxml mbstring
 mhash openssl pcre Phar posix Reflection session shmop SimpleXML soap
 sockets SPL standard sysvmsg sysvsem sysvshm tokenizer wddx xml xmlreader
 xmlwriter zip zlib.
 .
 PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used
 open source general-purpose scripting language that is especially suited
 for web development and can be embedded into HTML.