WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 3443 | |
| 3444 | /** |
| 3445 | * Filter an attachment id found by URL. |
| 3446 | * |
| 3447 | * @since 4.2.0 |
| 3448 | * |
| 3449 | * @param int|null $post_id The post_id (if any) found by the function. |
| 3450 | * @param string $url The URL being looked up. |
| 3451 | */ |
| 3452 | $post_id = apply_filters( 'attachment_url_to_postid', $post_id, $url ); |
| 3453 | |
| 3454 | return (int) $post_id; |
| 3455 | } |
| 3456 | |
| 3457 | /** |
| 3458 | * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view. |
| 3459 | * |
| 3460 | * @since 4.0.0 |
| 3461 | * |