Follow along with the video below to see how to install our site as a web app on your home screen.
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<?php
function foo ($x, $y, $z = '__DUMMY__VALUE__')
{
if ($z != '__DUMMY__VALUE__')
{
$foo =& $z;
$foo = 4;
}
}
$a = 3;
foo(1, 2, &$a);
print $a;
?>