php5-dbg 5.3.10-1ubuntu3 (amd64 binary) in ubuntu precise

 This package provides the debug symbols for PHP5 needed for properly
 debugging errors in PHP5 with gdb.
 .
 PHP5 is a widely-used general-purpose scripting language that is
 especially suited for Web development and can be embedded into HTML.
 The goal of the language is to allow web developers to write
 dynamically generated pages quickly.