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NULL and empty: PHP with MySQL Essential Training
NULL and empty: PHP with MySQL Essential Training

In PHP, NULL refers to the lack of having a value. There are differences between setting a variable as NULL or setting a variable as an empty string. The PHP function empty cannot differentiate between similar variables such as NULL, false, and 0. This is a leading cause of bugs for coders. Learn about using NULL and empty correctly in this PHP with MySQL tutorial.

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Skill Level Beginner
14h 32m
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