@ 2015-10-13T21:32:04Z <?php
function yieldFrom($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;
};
function gen1() {
yield 1;
yield 2;
yield 3;
}
$g = gen1();
$g->next();
$x = yieldFrom($g);
foreach($x as $val) { var_dump($val); }
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Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.16 - 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(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(3)
NULL
Output for 5.4.2 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.21 Parse error: syntax error, unexpected '$next' (T_VARIABLE) in /in/03hXR on line 16
Process exited with code 255 . preferences:dark mode live preview
185.97 ms | 402 KiB | 225 Q