Php function for validating email addresses
Though for the datetime and date validator to you need to specify a parse and format function and for that you most likely will want to use a library, is highly recommended.
If you want to use async validation you need to use a runtime that supports Promises.
This article takes you through the steps to troubleshoot the problem.
) of rows; you're either doing a string compare for each entry, or an integer equation.
If you do your indexes correctly, your lookups should be literally 100x faster using an INT rather than a VARCHAR.
Check each filter to see what options and flags are available.
The reference contains a brief description, and examples of use, for each function!
The header contains a few pieces of identifying information.