A significant advantage of computers is that they can perform repetitive tasks easily and efficiently. Instead of writing repetitive code you can write a set of statements that processes some data and then have the computer execute them repeatedly by using a construct known as a loop. Loops come in several different flavors in PHP: for , while , do-while , and foreach .

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PHPMaster: Learning Loops

Iain Tench has worked in the IT industry for 30 years as a programmer, project manager (Prince2 Practitioner), consultant, and teacher. As a project manager, he specialized in integration projects mainly involving payment systems in the financial sector. He now teaches and has acquired a Masters degree in Internet Systems Development as well as a teaching qualification. Iain's specialized areas of teaching is web technologies, mainly programming in a variety of languages, HTML, CSS and database integration. He's also written a book about Dreamweaver CS3 for Hodder Education.

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