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Hook up metadata filter on the_preview #40

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Hook up metadata filter on the_preview #40

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4aae56a
Hook up metadata filter on the_preview
mboynes Mar 16, 2018
77696a1
Syntax error
mboynes Mar 17, 2018
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7 changes: 6 additions & 1 deletion wp-post-meta-revisions.php
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Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,20 @@ 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 );

// When `the_preview` is run, automatically add the metadata filter.
add_filter( 'the_preview', array( $this, '_add_metadata_preview_filter' ) );
}

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

/**
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