X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/4feeb71a9d812a9ae371c28a3d8b442a4394ded7..607b7e02d77e7326161e8ec15639052d2040f745:/wp-includes/post-thumbnail-template.php

diff --git a/wp-includes/post-thumbnail-template.php b/wp-includes/post-thumbnail-template.php
index 2862bdc9..4722565d 100644
--- a/wp-includes/post-thumbnail-template.php
+++ b/wp-includes/post-thumbnail-template.php
@@ -119,7 +119,7 @@ function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr =
 	$post_thumbnail_id = get_post_thumbnail_id( $post );
 
 	/**
-	 * Filter the post thumbnail size.
+	 * Filters the post thumbnail size.
 	 *
 	 * @since 2.9.0
 	 *
@@ -163,7 +163,7 @@ function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr =
 		$html = '';
 	}
 	/**
-	 * Filter the post thumbnail HTML.
+	 * Filters the post thumbnail HTML.
 	 *
 	 * @since 2.9.0
 	 *
@@ -210,3 +210,44 @@ function the_post_thumbnail_url( $size = 'post-thumbnail' ) {
 		echo esc_url( $url );
 	}
 }
+
+/**
+ * Returns the post thumbnail caption.
+ *
+ * @since 4.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return string Post thumbnail caption.
+ */
+function get_the_post_thumbnail_caption( $post = null ) {
+	$post_thumbnail_id = get_post_thumbnail_id( $post );
+	if ( ! $post_thumbnail_id ) {
+		return '';
+	}
+
+	$caption = wp_get_attachment_caption( $post_thumbnail_id );
+
+	if ( ! $caption ) {
+		$caption = '';
+	}
+
+	return $caption;
+}
+
+/**
+ * Displays the post thumbnail caption.
+ *
+ * @since 4.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ */
+function the_post_thumbnail_caption( $post = null ) {
+	/**
+	 * Filters the displayed post thumbnail caption.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $caption Caption for the given attachment.
+	 */
+	echo apply_filters( 'the_post_thumbnail_caption', get_the_post_thumbnail_caption( $post ) );
+}