WordPress 常用函数 / sanitize_mime_type

清理 mine type

<?php sanitize_mime_type( $mime_type ); ?>

$mime_type
(string) (required) Mime Type
Default: None

(string)
清理之后的 mime type.

'sanitize_mime_type'：apply_filters( 'sanitize_mime_type', $sanitized_mime_type, $raw_mime_type )

Since 3.1.3

/wp-includes/formatting.php