Basic Math and Numbers in PHP Programming

The sort() and sort() functions allow you to sort arrays alphabetically.

You can send emails directly from PHP scripts using the mail() function.  You need to have a local email server setup to do this, to to learn it’s best to use a shared hosting account […]

Comparison Operators allow you to compare variable values against values to determine whether an event should trigger.  You use Comparison Operators in Loops and If Statements.