wp-admin/includes/meta-boxes.php:1317Displays XFN form fields.
$linkobjectfunction link_xfn_meta_box( $link ) { ?><table class="links-table"> <tr> <th scope="row"><label for="link_rel"><?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'rel:' ); ?></label></th> <td><input type="text" name="link_rel" id="link_rel" value="<?php echo ( isset( $link->link_rel ) ? esc_attr( $link->link_rel ) : '' ); ?>" /></td> </tr> <tr> <th scope="row"><?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'identity' ); ?></th> <td><fieldset> <legend class="screen-reader-text"><span> <?php /* translators: Hidden accessibility text. xfn: https://gmpg.org/xfn/ */ _e( 'identity' ); ?> </span></legend> <label for="me"> <input type="checkbox" name="identity" value="me" id="me" <?php xfn_check( 'identity', 'me' ); ?> /> <?php _e( 'another web address of mine' ); ?></label> </fieldset></td> </tr> <tr> <th scope="row"><?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'friendship' ); ?></th> <td><fieldset> <legend class="screen-reader-text"><span> <?php /* translators: Hidden accessibility text. xfn: https://gmpg.org/xfn/ */ _e( 'friendship' ); ?> </span></legend> <label for="contact"> <input class="valinp" type="radio" name="friendship" value="contact" id="contact" <?php xfn_check( 'friendship', 'contact' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'contact' ); ?> </label> <label for="acquaintance"> <input class="valinp" type="radio" name="friendship" value="acquaintance" id="acquaintance" <?php xfn_check( 'friendship', 'acquaintance' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'acquaintance' ); ?> </label> <label for="friend"> <input class="valinp" type="radio" name="friendship" value="friend" id="friend" <?php xfn_check( 'friendship', 'friend' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'friend' ); ?> </label> <label for="friendship"> <input name="friendship" type="radio" class="valinp" value="" id="friendship" <?php xfn_check( 'friendship' ); ?> /> <?php /* translators: xfn (friendship relation): http://gmpg.org/xfn/ */ _ex( 'none', 'Type of relation' ); ?> </label> </fieldset></td> </tr> <tr> <th scope="row"> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'physical' ); ?> </th> <td><fieldset> <legend class="screen-reader-text"><span> <?php /* translators: Hidden accessibility text. xfn: https://gmpg.org/xfn/ */ _e( 'physical' ); ?> </span></legend> <label for="met"> <input class="valinp" type="checkbox" name="physical" value="met" id="met" <?php xfn_check( 'physical', 'met' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'met' ); ?> </label> </fieldset></td> </tr> <tr> <th scope="row"> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'professional' ); ?> </th> <td><fieldset> <legend class="screen-reader-text"><span> <?php /* translators: Hidden accessibility text. xfn: https://gmpg.org/xfn/ */ _e( 'professional' ); ?> </span></legend> <label for="co-worker"> <input class="valinp" type="checkbox" name="professional" value="co-worker" id="co-worker" <?php xfn_check( 'professional', 'co-worker' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'co-worker' ); ?> </label> <label for="colleague"> <input class="valinp" type="checkbox" name="professional" value="colleague" id="colleague" <?php xfn_check( 'professional', 'colleague' ); ?> /> <?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'colleague' ); ?> </label> </fieldset></td> </tr> <tr> <th scope="row"><?php /* translators: xfn: https://gmpg.org/xfn/ */ _e( 'geographical' ); ?></th> <td><fieldset> <legend class="screen-reader-text"><span> <?phpIntroduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/meta-boxes.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.