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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 |
---|---|
2266 | * Modify returned attachment counts by mime type. |
2267 | * |
2268 | * @since 3.7.0 |
2269 | * |
2270 | * @param object $counts An object containing the attachment counts by |
2271 | * mime type. |
2272 | * @param string $mime_type The mime type pattern used to filter the attachments |
2273 | * counted. |
2274 | */ |
2275 | return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type ); |
2276 | } |
2277 |
|
2278 | /** |
2279 | * Get default post mime types. |
2280 | * |
2281 | * @since 2.9.0 |
2282 | * |
2283 | * @return array List of post mime types. |
2284 | */ |