x
<html><body>$x = 5;$y = 10;function myTest() { global $x, $y; $y = $x + $y;} myTest(); // run functionecho $y; // output the new value for variable $y</body></html>
15
<html><body>$x = 5;$y = 10;function myTest() { global $x, $y; $y = $x + $y;} myTest(); // run functionecho $y; // output the new value for variable $y</body></html>