.PHP4

.PHP4 file extension

This is the basic program to work with .PHP4 extension

NuSphere PhpED

NuSphere PhpEDPHP script file

NuSphere PhpED is today's top integrated development environment for php. Suitable both for small individual works and large multi-developer projects, PhpED considerably boost up the development process.PhpED is a robust tool featuring full-cycle functionality for developing web-sites and web-applications. Balanced combination of advanced code editor... (more)

The program works with the following extensions: php, ppj, tpl, ppw, php4 and php5

.PHP4 extension is also supported by the following programs:

DzSoft PHP Editor

DzSoft PHP EditorPHP File

This tool allows you to write and edit source code written in PHP.
PHP Editor

PHP EditorPágina PHP

PHP Editor helps you to write your programming code in PHP, SQL, Java and others.
Zend Studio for Eclipse -

Zend Studio for Eclipse -PHP File

Zend Studio for Eclipse is the best IDE for PHP developers.
PHP Expert Editor

PHP Expert EditorPHP File

PHP Expert Editor is a php script development tool.
Dev-PHP

Dev-PHPDev-PHP File

A well-featured integrated development environment (IDE).
Adobe Dreamweaver

Adobe DreamweaverPHP4 Script

A combination of professional features to help you create and maintain websites.
Zend Studio for Eclipse i5 -

Zend Studio for Eclipse i5 -PHP File