<!DOCTYPE html>
<html>
<body>
<?php
$x=5;
$y=10;
function practiceTest() {
global $x,$y;
$y=$x+$y;
}
praceticeTest(); // run function
echo $y; // output the new value for variable $y
?>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
Fatal error: Uncaught Error: Call to undefined function praceticeTest() in /in/TN4JD:14
Stack trace:
#0 {main}
thrown in /in/TN4JD on line 14
Process exited with code 255.