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<?php $oldVal = PHP_INT_MAX / 2 + 1; if ($oldVal << 1 < 0) { throw new OverflowException(); };
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 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught OverflowException in /in/R5aWC:1 Stack trace: #0 {main} thrown in /in/R5aWC on line 1
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'OverflowException' in /in/R5aWC:1 Stack trace: #0 {main} thrown in /in/R5aWC on line 1
Process exited with code 255.

preferences:
235.38 ms | 403 KiB | 293 Q