xfn_check( string $xfn_relationship, string $xfn_value = '', mixed $deprecated = '' )

1261function xfn_check( $xfn_relationship, $xfn_value = '', $deprecated = '' ) {1262	global $link;1263 1264	if ( ! empty( $deprecated ) ) {1265		_deprecated_argument( __FUNCTION__, '2.5.0' ); // Never implemented.1266	}1267 1268	$link_rel  = isset( $link->link_rel ) ? $link->link_rel : '';1269	$link_rels = preg_split( '/\s+/', $link_rel );1270 1271	// Mark the specified value as checked if it matches the current link's relationship.1272	if ( '' !== $xfn_value && in_array( $xfn_value, $link_rels, true ) ) {1273		echo ' checked="checked"';1274	}1275 1276	if ( '' === $xfn_value ) {1277		// Mark the 'none' value as checked if the current link does not match the specified relationship.1278		if ( 'family' === $xfn_relationship1279			&& ! array_intersect( $link_rels, array( 'child', 'parent', 'sibling', 'spouse', 'kin' ) )1280		) {1281			echo ' checked="checked"';1282		}1283 1284		if ( 'friendship' === $xfn_relationship1285			&& ! array_intersect( $link_rels, array( 'friend', 'acquaintance', 'contact' ) )1286		) {1287			echo ' checked="checked"';1288		}1289 1290		if ( 'geographical' === $xfn_relationship1291			&& ! array_intersect( $link_rels, array( 'co-resident', 'neighbor' ) )1292		) {1293			echo ' checked="checked"';1294		}1295 1296		// Mark the 'me' value as checked if it matches the current link's relationship.1297		if ( 'identity' === $xfn_relationship1298			&& in_array( 'me', $link_rels, true )1299		) {1300			echo ' checked="checked"';1301		}1302	}1303}