apply_filters( 'wp_check_filetype_and_ext', array $wp_check_filetype_and_ext, string $file, string $filename, string[] $mimes, string|false $real_mime )

Parameters

$wp_check_filetype_and_ext

Values for the extension, mime type, and corrected filename.<br>

• 'ext'
  (string|false) File extension, or false if the file doesn't match a mime type.<br>
• 'type'
  (string|false) File mime type, or false if the file doesn't match a mime type.<br>
• 'proper_filename'
  (string|false) File name with its correct extension, or false if it cannot be determined.<br>

$file

Full path to the file.

$filename

The name of the file (may differ from $file due to $file being in a tmp directory).

$mimes

Array of mime types keyed by their file extension regex.

$real_mime

The actual mime type or false if the type cannot be determined.