(PECL pthreads >= 2.0.8)
Threaded::extend — Runtime Manipulation
public Threaded::extend ( string $class ) : bool
Makes thread safe standard class at runtime
class
The class to extend
A boolean indication of success
Example #1 Runtime inheritance
<?php class My {} Threaded::extend(My::class); $my = new My(); var_dump($my instanceof Threaded); ?>
The above example will output:
bool(true)
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https://www.php.net/manual/en/threaded.extend.php