Conditionals and Operators

Conditionals, like variables. PHP's three primary terms for creating conditionals are if, else and elseif. Every conditional includes and if cluse.

if (condition) {

// Do Something

}

This in turn can become

if (condition) {

// Do Something

} else {

//Do Somthing else!

}

and

if (condition) {

// Do Something

} elseif {

//Do Somthing else!

} else {

//Do Somthing else!

}

It's this important that the else always comes last and is treaded as the default action unles specific critaria (the conditions) are met. A condition can be TRUE in PHP for any number of reasons, there are commom true conditiuons:

• $var, if $var has a value other than 0, an empty string, or NULL
• isset($var), if $var has any value other than NULL, including 0 and empty string
• TRUE