The main difference between a PHP editor and a PHP IDE is
that PHP editors is often very simple software programs like
Notepad for Windows while PHP IDEs - an shortening for
integrated development environment - are more advanced and
feature loaded programs for example the popular PHP IDE called
phpDesigner 8 is your PHP IDE and PHP editor for all your PHP and
Web development with support for PHP object-oriented
programming, PHP frameworks, debug with Xdebug, remote
ftp-editing and hundreds other cool features!
What characterizes PHP IDEs is that they facilitates you in
creating and maintaining your PHP scripts with tools and
features as a project management, syntax highlighting,
intelligent code suggestion on the fly, code beautifiers, remote
editing, debugging etc.