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Constants: PHP with MySQL Essential Training (2013)
Constants: PHP with MySQL Essential Training (2013)

A constant is a value that, unlike a variable, always remains set at the same value. Values for constants are set by using the define function, which defines values that you don't want to be changed. Using constants in PHP is useful for saving data that needs to be fixed. This MySQL training video will help you understand how to define and use constants in PHP.

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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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