Docs: Clarify that `is_page_template()` accepts a template filename, not the `Template Name` file header.

Props mkaz.
Fixes #49362.
Built from https://develop.svn.wordpress.org/trunk@47182


git-svn-id: http://core.svn.wordpress.org/trunk@46982 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-template.php

@@ -1730,7 +1730,7 @@ function get_the_password_form( $post = 0 ) {
  * Determines whether currently in a page template.
  *
  * This template tag allows you to determine if you are in a page template.
- * You can optionally provide a template name or array of template names
+ * You can optionally provide a template filename or array of template filenames
  * and then the check will be specific to that template.
  *
  * For more information on this and similar theme functions, check out
@@ -1741,7 +1741,7 @@ function get_the_password_form( $post = 0 ) {
  * @since 4.2.0 The `$template` parameter was changed to also accept an array of page templates.
  * @since 4.7.0 Now works with any post type, not just pages.
  *
- * @param string|array $template The specific template name or array of templates to match.
+ * @param string|array $template The specific template filename or array of templates to match.
  * @return bool True on success, false on failure.
  */
 function is_page_template( $template = '' ) {
@@ -1771,7 +1771,7 @@ function is_page_template( $template = '' ) {
 }
 
 /**
- * Get the specific template name for a given post.
+ * Get the specific template filename for a given post.
  *
  * @since 3.4.0
  * @since 4.7.0 Now works with any post type, not just pages.

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-47181';
+$wp_version = '5.4-alpha-47182';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.