function ff()
{
witness_start('abc');
return 1;
}
<?php
function abc($a)
{
if ($a === null) {
try {
throw new exception("dddd");
} catch (Exception $e) {
// do nothing ...
}
}
return $a + 10;
}
witness_start('test:123');
$b = abc(null);
print_r($b);
