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<?php function gen1() { yield 1; return 42; yield 2; } $g = gen1(); foreach($g as $val1) { var_dump($val1); } var_dump($g->current()); var_dump($g->valid()); var_dump($g->getReturn()); foreach($g as $val2) { var_dump($val2); } var_dump($g->current()); var_dump($g->valid()); var_dump($g->getReturn());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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
int(1) NULL bool(false) int(42) Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/K2oAY:17 Stack trace: #0 {main} thrown in /in/K2oAY on line 17
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/K2oAY on line 5
Process exited with code 255.
Output for 5.4.2 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/K2oAY on line 4
Process exited with code 255.
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191.66 ms | 401 KiB | 241 Q