php undefined variable code example
Example 1: undefined variable inside function php
$myId = 0;
function run(){
global $myId;
echo $myId;
}
Example 2: php Undefined
if (isset($variable)) { /* do something */ };
$myId = 0;
function run(){
global $myId;
echo $myId;
}
if (isset($variable)) { /* do something */ };