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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 |
---|---|
2290 | ); |
2291 |
|
2292 | /** |
2293 | * Filters the default list of post mime types. |
2294 | * |
2295 | * @since 2.5.0 |
2296 | * |
2297 | * @param array $post_mime_types Default list of post mime types. |
2298 | */ |
2299 | return apply_filters( 'post_mime_types', $post_mime_types ); |
2300 | } |
2301 |
|
2302 | /** |
2303 | * Check a MIME-Type against a list. |
2304 | * |
2305 | * If the wildcard_mime_types parameter is a string, it must be comma separated |
2306 | * list. If the real_mime_types is a string, it is also comma separated to |
2307 | * create the list. |
2308 | * |