Document that null may be passed to wxr_cdata() in practice

westonruter · westonruter · commit 3feaf8b35a73 · 2025-12-23T22:05:36.000-08:00
diff --git a/src/wp-admin/includes/export.php b/src/wp-admin/includes/export.php
@@ -239,7 +239,7 @@ function export_wp( $args = array() ) {
 	 *
 	 * @since 2.1.0
 	 *
-	 * @param string $str String to wrap in XML CDATA tag.
+	 * @param string|null $str String to wrap in XML CDATA tag. May be null.
 	 * @return string
 	 */
 	function wxr_cdata( $str ) {

Original file line number	Diff line number	Diff line change
`@@ -239,7 +239,7 @@ function export_wp( $args = array() ) {`
`239`	`239`	`*`
`240`	`240`	`* @since 2.1.0`
`241`	`241`	`*`
`242`		`- * @param string $str String to wrap in XML CDATA tag.`
	`242`	`+ * @param string\|null $str String to wrap in XML CDATA tag. May be null.`
`243`	`243`	`* @return string`
`244`	`244`	`*/`
`245`	`245`	`function wxr_cdata( $str ) {`