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<?php $string = 'ABCDEFGH'; echo end($string);
Output for 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 TypeError: end(): Argument #1 ($array) must be of type array, string given in /in/Z0tk0:4 Stack trace: #0 /in/Z0tk0(4): end('ABCDEFGH') #1 {main} thrown in /in/Z0tk0 on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: end() expects parameter 1 to be array, string given in /in/Z0tk0 on line 4

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