<?php function generator() { foreach ([1, 2, 3, 4, 5] as $i) { yield $i; } } function A(): \Generator { return generator(); } function B(): \Generator { if (false) { yield 7; return; } return generator(); } function C(): \Generator { if (false) { yield 7; return; } foreach (generator() as $i) { yield $i; } } echo "-A\n"; foreach (A() as $i) { echo "{$i}\n"; } echo "-B\n"; foreach (B() as $i) { echo "{$i}\n"; } echo "-C\n"; foreach (C() as $i) { echo "{$i}\n"; } echo "Done\n";
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