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<?php echo date('-5days')->format('Y-M-j');
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to a member function format() on string in /in/TrO8t:3 Stack trace: #0 {main} thrown in /in/TrO8t on line 3
Process exited with code 255.

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