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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2914 | * Sanitize a mime type |
| 2915 | * |
| 2916 | * @since 3.1.3 |
| 2917 | * |
| 2918 | * @param string $mime_type Mime type |
| 2919 | * @return string Sanitized mime type |
| 2920 | */ |
| 2921 | function sanitize_mime_type( $mime_type ) { |
| 2922 | $sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type ); |
| 2923 | return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type ); |
| 2924 | } |
| 2925 | |
| 2926 | ?> |
| 2927 | |