<?php
 
/**
* Check if Variable is Set
*
* This script demonstrates how to check if a variable is set.
* 
* @author       Blaze Script
* @website      https://blazescript.com
* @date         January 2019
*/
 
// Variables
$a = 1;
 
// checks if a variable is set
if (isset($a) {
    echo $a;
}
 
 
?>