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wp_post_revision_field_{$field} › WordPress Filter Hooks

Since3.6.0
Deprecatedn/a
› apply_filters( "_wp_post_revision_field_{$field}", $compare_from->$field, $field, $compare_from, 'from' )
Parameters: (4)
  • (string) $revision_field The current revision field to compare to or from.
    Required: Yes
  • (string) $field The current revision field.
    Required: Yes
  • (WP_Post) $compare_from The revision post object to compare to or from.
    Required: Yes
  • (string) $context The context of whether the current revision is the old or the new one. Either 'to' or 'from'.
    Required: Yes
Defined at:
Codex:

Contextually filter a post revision field.

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


Related Functions: _wp_post_revision_fields, wp_post_revision_title, wp_post_revision_meta_keys, _wp_post_revision_data, wp_post_revision_title_expanded, wp_get_post_revisions_url


Related Hooks: wp_post_revision_fields, wp_post_revision_meta_keys, wp_get_revision_ui_diff, wp_put_post_revision, wp_save_post_revision_check_for_changes

Source 

$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_{$field}", $compare_from->$field, $field, $compare_from, 'from' ) : '';