- assert: documentation ( source)
<?php
namespace one {
function assert($assertion, $description='') {
echo __FUNCTION__, ": '$assertion'\n";
\assert($assertion, $description);
}
}
namespace two {
use function one\assert;
assert('1 == true');
assert('true == false');
}
namespace three {
assert('true == 1');
assert('true == false');
}