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<?php $check = fn ($a) => ctype_upper($a); $check(3); $check([]); $check(new stdClass); $check(3.5); $check(true); $check(null); $check(0); $check(256);
Output for git.master_jit, git.master
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

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