class foo
{
function bar
( $b = 0 )
{
static $a = 0;
if ( $b ) {
$a=$b;
}
echo $a;
}
}
$faz = new foo
;
$faz->bar(3);
$baz = new foo
;
$baz->bar();
foo
::bar();
//
// Outputs:
// $faz->bar(3); ==> 3
// $baz->bar(); ==> 3
// foo::bar(); ==> 3
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