3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { static $x = 1; $x += 10; yield $x; $x += 100; yield $x; $x += 1000; yield $x; } $x = foo(); $x->next(); $x->rewind();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/u3SJk:14 Stack trace: #0 /in/u3SJk(14): Generator->rewind() #1 {main} thrown in /in/u3SJk on line 14
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'Cannot rewind a generator that was already run' in /in/u3SJk:14 Stack trace: #0 /in/u3SJk(14): Generator->rewind() #1 {main} thrown in /in/u3SJk on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /in/u3SJk on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/u3SJk on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_VARIABLE in /in/u3SJk on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/u3SJk on line 6
Process exited with code 255.

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