This is a world famous general-purpose scripting language that is especially suited for web development or web-based applications.

PHP needs a server to run from.

Here are some key features of "PHP":

· Support for namespaces
· Late static binding
· Lambda Functions and Closures
· Syntax additions: NOWDOC, ternary short cut "?:" and jump label (limited goto), __callStatic()
· Under the hood performance improvements
· Optional garbage collection for cyclic references
· Optional mysqlnd PHP native replacement for libmysql
· Improved Windows support including VC9 and experimental X64 binaries as well as portability to other supported platforms
· More consistent float rounding
· Deprecation notices are now handled via E_DEPRECATED (part of E_ALL) instead of the E_STRICT error level
· Several enhancements to enable more flexiblity in php.ini (and ini parsing in general)
· New bundled extensions: ext/phar, ext/intl, ext/fileinfo, ext/sqlite3, ext/enchant
· Over 140 bug fixes and improvements to PHP, in particular to: ext/openssl, ext/spl and ext/date