Contextually filter a post revision field.
Description
The dynamic portion of the hook name, $field
, corresponds to a name of a field of the revision object.
Possible hook names include:
_wp_post_revision_field_post_title
_wp_post_revision_field_post_content
_wp_post_revision_field_post_excerpt
Parameters
$revision_field
string- The current revision field to compare to or from.
$field
string- The current revision field.
$compare_from
WP_Post- The revision post object to compare to or from.
$context
string- The context of whether the current revision is the old or the new one. Either
'to'
or'from'
.
Source
$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_{$field}", $compare_from->$field, $field, $compare_from, 'from' ) : '';
Changelog
Version | Description |
---|---|
3.6.0 | Introduced. |
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