HTML Goodies - PHP Tutorial

By Vince Barnes

http://www.htmlgoodies.com/beyond/php/article.php/3472521/nbspHTML-Goodies---PHP-Tutorial.htm (Back to article)

PHP has a collection of functions built-in to the language.  Most, but not all, of these functions are "boolean"  tests, that is, they return a boolean value -- meaning True/False.

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