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re-add_metadata_preview_filter - corrects meta for previews #37

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re-add_metadata_preview_filter - corrects meta for previews #37

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73707c8
re-add_metadata_preview_filter
Jul 18, 2017
9b5fa09
Merge branch 'master' into correct-preview-revision-filter
Feb 2, 2018
d6e23a4
clean up preview hook placement
Feb 2, 2018
14e4949
remove unused setup call
Feb 2, 2018
61dfc1e
Merge branch 'master' of github.com:adamsilverstein/wp-post-meta-revi…
Mar 24, 2019
8df7a13
Merge branch 'master' into correct-preview-revision-filter
Mar 24, 2019
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15 changes: 7 additions & 8 deletions wp-post-meta-revisions.php
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Original file line number Diff line number Diff line change
Expand Up @@ -32,14 +32,7 @@ public function __construct() {
// When revisioned post meta has changed, trigger a revision save.
add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_wp_check_revisioned_meta_fields_have_changed' ), 10, 3 );

}

/**
* Add the revisioned meta to get_post_metadata for preview meta data.
*
* @since 4.5.0
*/
public function _add_metadata_preview_filter() {
// Add the revisioned meta to get_post_metadata for preview meta data.
add_filter( 'get_post_metadata', array( $this, '_wp_preview_meta_filter' ), 10, 4 );
}

Expand Down Expand Up @@ -191,6 +184,11 @@ public function _wp_restore_post_revision_meta( $post_id, $revision_id ) {
*/
public function _wp_preview_meta_filter( $value, $object_id, $meta_key, $single ) {

// Only filter previews.
if ( ! is_preview() ) {
return $value;
}

$post = get_post();
if (
empty( $post ) ||
Expand All @@ -207,6 +205,7 @@ public function _wp_preview_meta_filter( $value, $object_id, $meta_key, $single
return $value;
}

// Return the autosave revisioned meta.
return get_post_meta( $preview->ID, $meta_key, $single );
}
}
Expand Down