Core Function
View Source on Trac ↗ _wp_preview_post_thumbnail_filter()
_wp_preview_post_thumbnail_filter( mixed $value, mixed $post_id, mixed $meta_key ) Filters post thumbnail lookup to set the post thumbnail.
Parameters 3 required
| Name / Type | Description |
|---|---|
| (null | | array | string) $value The value to return - a single metadata value, or an array of values. Required |
| $post_id int | Post ID. Required |
| $meta_key string | Meta key. Required |
Return Value
((null)
| array) The default return value or the post thumbnail meta array.
Function Information
Since Version
4.6.0
Source File
wp-includes/revision.php
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