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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 |
|---|---|
| 3217 | } |
| 3218 | |
| 3219 | /** |
| 3220 | * Filters the default list of post mime types. |
| 3221 | * |
| 3222 | * @since 2.5.0 |
| 3223 | * |
| 3224 | * @param array $post_mime_types Default list of post mime types. |
| 3225 | */ |
| 3226 | return apply_filters( 'post_mime_types', $post_mime_types ); |
| 3227 | } |
| 3228 | |
| 3229 | /** |
| 3230 | * Checks a MIME-Type against a list. |
| 3231 | * |
| 3232 | * If the `$wildcard_mime_types` parameter is a string, it must be comma separated |
| 3233 | * list. If the `$real_mime_types` is a string, it is also comma separated to |
| 3234 | * create the list. |
| 3235 | * |