Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, function "123abc456def789" not found or invalid function name in /in/IZn9m:3
Stack trace:
#0 /in/IZn9m(3): preg_replace_callback('\\d+', '123abc456def789', 'incr')
#1 {main}
thrown in /in/IZn9m on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, function "123abc456def789" not found or invalid function name in /in/IZn9m:6
Stack trace:
#0 /in/IZn9m(6): preg_replace_callback('\\d+', '123abc456def789', 'incr')
#1 {main}
thrown in /in/IZn9m on line 6
Process exited with code 255.