php运行实例（demo_php_global_global）-搜寻教程库

代码示例：（标识：demo_php_global_global）

<!DOCTYPE html>
<html>
<body>

<?php 
$x = 30;
$y = 65; 

function addition() {
   $GLOBALS['z'] = $GLOBALS['x'] + $GLOBALS['y'];
}

addition();
echo $z;
?>

</body>
</html>

运行结果：