I am getting the below error in PHP 5.6.32.

PHP Parse error: syntax error, unexpected ':', expecting ';' or '{' in /var/www/c9825/protected/vendor/krakjoe/pthreads-polyfill/src/Threaded.php on line 129

Please mention the minimum support PHP version in the composer file?

PhpStorm inspection triggers on the absent "setGarbage()" method. Writes me "class must be declared abstract or implement setGrabage method". pthread is supposed to be version 3.

Is this version 5.6 compatible? TIA :)

The polyfill polyfills the classes but not the constants such as PTHREADS_INHERIT_NONE, could those be added as well?

Looks like the polyfill is not matching the behavior of the extension

Not entirely sure why but Worker::collect never returns 0, even when all jobs have been technically processed (ie. I know that they've all ran). It seems to boil down to jobs not being properly moved from Worker::$stacked to Worker::$gc, at least that's what I've found so far.

If I modify the method to only return count($this->gc) all my jobs are processed and the loop ends, but I'm not sure if that's supposed to be correct?

I tried my working example of multi-threaded code, and it seems to be not multi-threaded or asynchronous. The following example should output like below:

Thread: 1 has started, sleeping for 2 
Thread: 2 has started, sleeping for 3 
Thread: 3 has started, sleeping for 1
Thread: 3 has finished
Thread: 1 has finished
Thread: 2 has finished

But when I run it using polyfill its output is not asynchronous:

Thread: 1 has started, sleeping for 2  // will really wait for 2 seconds, blocking thread 2 and 3
Thread: 1 has finished
Thread: 2 has started, sleeping for 3 
Thread: 2 has finished
Thread: 3 has started, sleeping for 1
Thread: 3 has finished