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Custom validation functions

Custom validation functions: PHP with MySQL Essential Training (2013)
Custom validation functions: PHP with MySQL Essential Training (2013)

To reuse validations, set up custom validation functions that are available to you from project to project. Make adjustments such as taking away echo statements. This video suggests rewriting MySQL code so that it is affirmative-based instead of negative-based. For example, it's often best to ask if a field has presence rather than if it has no presence.

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Skill Level Beginner
14h 32m
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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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