Migrating Web-Based PHP Applications to Ajax

This article describes a makeover of a typical database-backed web form. We'll show some old code – a mixture of HTML, JavaScript, and PHP – and rebuild it with modern web techniques like Ajax, and modern tools like jQuery. The benefits will include:

• Separating dynamic content from static content.

• Separating content, style, and processing.

• Web client-server communication via function calls.

• Partial page updates instead of flash-bang page reloads.

• Faster development and more maintainable code.

• Faster load times and improved caching.

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