Online PHP editor | output for PgZ6c

Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: Deprecated: ctype_upper(): Argument of type int will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type array will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type stdClass will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type float will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type bool will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type null will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type int will be interpreted as string in the future in /in/PgZ6c on line 3 Deprecated: ctype_upper(): Argument of type int will be interpreted as string in the future in /in/PgZ6c on line 3