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<?php function foo() { yield 1; yield 2; return 42; } $bar = foo(); // foreach ($bar as $val) { var_dump($val); } $bar->next(); var_dump($bar->getReturn()); // var_dump($bar->current()); // $bar->send(21); // var_dump($bar->current()); // var_dump($bar->getReturn());
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 - 8.3.6
Fatal error: Uncaught Exception: Cannot get return value of a generator that hasn't returned in /in/57qDg:13 Stack trace: #0 /in/57qDg(13): Generator->getReturn() #1 {main} thrown in /in/57qDg on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Generators cannot return values using "return" in /in/57qDg on line 5
Process exited with code 255.
Output for 5.4.1 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/57qDg on line 3
Process exited with code 255.
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188.74 ms | 401 KiB | 228 Q