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Source View: _wp_post_revision_fields

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Source View

Line Code
41            * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date',
42            * 'post_date_gmt', 'post_status', 'post_type', 'comment_count',
43            * and 'post_author'.
44            *
45            * @since 2.6.0
46            *
47            * @param array $fields List of fields to revision. Contains 'post_title',
48            *                      'post_content', and 'post_excerpt' by default.
49            */
50           $fields = apply_filters( '_wp_post_revision_fields', $fields );
51
52           // WP uses these internally either in versioning or elsewhere - they cannot be versioned
53           foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
54                unset( $fields[$protect] );
55      }
56
57      if ( !is_array($post) )
58           return $fields;
59