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<?php function xrange() { for ($i = 0; $i < 1000; $i++) { yield $i; } } $range = xrange(0,1000); echo "first\n"; $j = 0; foreach ($range as $i) { if ($j++ >= 500) { break; } } echo "($i) second ($j)\n"; $first = true; foreach ($range as $i) { if ($first) var_dump($i); $first=false; } echo "($i)\n";
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.7
first (500) second (501) Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/NZNci:19 Stack trace: #0 {main} thrown in /in/NZNci on line 19
Process exited with code 255.
Output for 5.6.0 - 5.6.40
first (500) second (501) Fatal error: Uncaught exception 'Exception' with message 'Cannot rewind a generator that was already run' in /in/NZNci:19 Stack trace: #0 /in/NZNci(19): unknown() #1 {main} thrown in /in/NZNci on line 19
Process exited with code 255.
preferences:
180.34 ms | 402 KiB | 292 Q