Online PHP editor | output for aUeJg

@ 2015-10-19T20:12:02Z

<?php

function gen1() {
    yield 1;
    yield 2;
    yield 3;
    return 42;
}

$g = function($iter) {
    $isSubgenerator = $iter instanceof Generator;
    $received = null;
    $send = true;
 
    while ($iter->valid()) {
        if ($isSubgenerator) {
            $next = $send ? $iter->send($received) : $iter->throw($received);
        } else {
            $next = $iter->current();
            $iter->next();
        }
        try {
            $received = yield $next;
            $send = true;
        } catch (Exception $e) {
            if ($isSubgenerator) {
                $received = $e;
                $send = false;
            } else {
                throw $e;
            }
        }
    }
 
    return $isSubgenerator ? $iter->getReturn() : null;
};

foreach($g(gen1()) as $val) { var_dump($val); }

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: int(2) int(3) NULL
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 int(2) int(3) NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Generators cannot return values using "return" in /in/aUeJg on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45: Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/aUeJg on line 4
Process exited with code 255.

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