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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 |
---|---|
3199 | } |
3200 |
|
3201 | /** |
3202 | * Filters the default list of post mime types. |
3203 | * |
3204 | * @since 2.5.0 |
3205 | * |
3206 | * @param array $post_mime_types Default list of post mime types. |
3207 | */ |
3208 | return apply_filters( 'post_mime_types', $post_mime_types ); |
3209 | } |
3210 |
|
3211 | /** |
3212 | * Check a MIME-Type against a list. |
3213 | * |
3214 | * If the wildcard_mime_types parameter is a string, it must be comma separated |
3215 | * list. If the real_mime_types is a string, it is also comma separated to |
3216 | * create the list. |
3217 | * |