Building RESTful Web Services with PHP 7

Generator return expression

As we have seen earlier, on calling a generator function, it returns a value that is being returned by the yield expression. Before PHP7, it didn't have the return keyword returning a value. But since PHP7.0, it is possible to use the return expression as well. Here, I have used an example from the PHP documentation, as it explains it very well:

<?php$gen = (function() {    yield "First Yield";    yield "Second Yield";    return "return Value";})();foreach ($gen as $val) {    echo $val, PHP_EOL;}echo $gen->getReturn(), PHP_EOL;

It will give the output as:

First YieldSecond Yieldreturn Value

So it clearly shows that calling a generator function in foreach will not return the return statement. Instead, it will just return at ...