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Problems with validation logic

Problems with validation logic: PHP with MySQL Essential Training
Problems with validation logic: PHP with MySQL Essential Training

One way to solve problems with validation logic in MySQL is to experiment with false positives. PHP uses type juggling to compare two things that have a different type, and a quirk of the program is that it may say two strings are equal because they both start with spaces or plus signs. This online tutorial helps you learn to code for exact matches instead of equal matches, and for triple equals, not double equals.

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Skill Level Beginner
14h 32m
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