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Validating form values

Validating form values: PHP with MySQL Essential Training
Validating form values: PHP with MySQL Essential Training

The easiest form-field requirement in MySQL is that a user cannot leave a form blank. Character requirements such as verifying that an email address has the @ symbol are also common. This video on validating form values walks you through present string length, type inclusion, uniqueness, and format. A high-level function in format is preg_match, and it lets you apply a regular expression to see if there is a match.

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Skill Level Beginner
14h 32m
Duration
5,643,708
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Q: This course was revised on 6/4/2013. What changed?

A: The old version of this course was 6 years old and it was time for a complete revision, using PHP 5.4. (The tutorials will work with any version of PHP and covers any differences you might encounter). The author has also added updated installation instructions for Mac OS X Mountain Lion and Windows 8. The topics and end project are the same, but the code is slightly different. It also addresses frequently asked questions from the previous version.

Q: This course was updated on 5/20/2015. What changed?

A: We added one movie called "Changing the document root in Yosemite," which helps the Mac installation run more smoothly.

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