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Docu - Generator delegation
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| <?php | |
| function gen() | |
| { | |
| yield 1; | |
| yield 2; | |
| yield from gen2(); | |
| } | |
| function gen2() | |
| { | |
| yield 3; | |
| yield 4; | |
| } | |
| foreach (gen() as $val) { | |
| echo $val, " "; | |
| } | |
| // outputs: 1 2 3 4 |
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