This document will be used to show built in and user defined functions.

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There are dozens of built in functions of php, such as date(), time(), and rand().
The first two are self explanatory, and the third will generate a random integer. These work by reading data that the server it is hosted on is providing to the PHP script

A user defined function could be something like capturing the date and time that you are reading this document, and then telling you your lucky number

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Then all you have to do is run the functions you specified

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You opened this page on: 12/20/24 at 05:30:13
And for visiting this page, your complimentary lucky number is: 45