<?php $factory = static function (): Generator { foreach (['a', 'b', 'c', 'd', 'e'] as $item) { $result = (yield $item); echo " {$item} = {$result}".PHP_EOL; } }; $generator = $factory(); foreach ($generator as $item) { echo "value: {$item}".PHP_EOL; $generator->send($item.'+'); }
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