finfo_file()

finfo_file()

function finfo_file(finfo $finfo, string $filename, int $flags = 0, ?resource $context = null): string|false

Identifies the type and encoding of a file or stream URL.

Parameters:

• $finfo (finfo)
• $filename (string)
• $flags (int), default 0, optional
• $context (?resource), default null, optional

Returns: string|false

Availability

Compiled (AOT)	Magician (eval)
Available	Available

No examples yet. Check examples/ and showcases/ for usage patterns.

Internals

For how finfo_file is implemented in the compiler, see the internals page.