3v4l.org

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<?php $a = []; var_dump( is_a( $a, DateTIme ));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "DateTIme" in /in/ANvBv:5 Stack trace: #0 {main} thrown in /in/ANvBv on line 5
Process exited with code 255.
preferences:
112.08 ms | 402 KiB | 89 Q