Filters an attachment ID found by URL.
Parameters
$post_idint|null- The post_id (if any) found by the function.
$urlstring- The URL being looked up.
Source
$galleries[] = array(
Changelog
| Version | Description |
|---|---|
| 4.2.0 | Introduced. |
| CARVIEW |
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HTTP/2 301
server: nginx
date: Sun, 12 Oct 2025 06:23:53 GMT
content-type: text/html; charset=UTF-8
x-olaf: ⛄
vary: accept, content-type
x-redirect-by: WordPress
location: https://developer.wordpress.org/reference/hooks/attachment_url_to_postid/
x-frame-options: SAMEORIGIN
alt-svc: h3=":443"; ma=86400
x-nc: MISS ord 2
HTTP/2 200
server: nginx
date: Sun, 12 Oct 2025 06:23:54 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
x-olaf: ⛄
vary: accept, content-type
link: ; rel="alternate"; title="JSON"; type="application/json"
link: ; rel=shortlink
x-frame-options: SAMEORIGIN
content-encoding: gzip
alt-svc: h3=":443"; ma=86400
x-nc: MISS ord 2
attachment_url_to_postid – Hook | Developer.WordPress.org
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