Ticket #28310: 28310.diff

src/wp-includes/general-template.php

@@ -1718 +1718 @@
  *
  * @param  string      $d    Optional. PHP date format defaults to the date_format option if not specified.
  * @param  int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
- * @return string Date the current post was written.
+ * @return string Date the current post was written or empty string if post could not be determined.
  */
 function get_the_date( $d = '', $post = null ) {
         $post = get_post( $post );
 
+        if ( ! $post ) {
+                return '';
+        }
+
         if ( '' == $d ) {
                 $the_date = mysql2date( get_option( 'date_format' ), $post->post_date );
         } else {
@@ -1832 +1836 @@
  *                          was written. Either 'G', 'U', or php date format defaults
  *                          to the value specified in the time_format option. Default empty.
  * @param int|WP_Post $post WP_Post object or ID. Default is global $post object.
- * @return string|int Formatted date string, or Unix timestamp.
+ * @return string|int Formatted date string, Unix timestamp or empty string if post
+ *                          could not be determined.
  */
 function get_the_time( $d = '', $post = null ) {
         $post = get_post($post);
 
+        if ( ! $post ) {
+                return '';
+        }
+
         if ( '' == $d )
                 $the_time = get_post_time(get_option('time_format'), false, $post, true);
         else
@@ -1866 +1875 @@
  * @param bool        $gmt       Optional. Whether to retrieve the GMT time. Default false.
  * @param int|WP_Post $post      WP_Post object or ID. Default is global $post object.
  * @param bool        $translate Whether to translate the time string. Default false.
- * @return string|int Formatted date string, or Unix timestamp.
+ * @return string|int Formatted date string, Unix timestamp or empty string if post
+ *                               could not be determined.
  */
 function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
         $post = get_post($post);
 
+        if ( ! $post ) {
+                return '';
+        }
+
         if ( $gmt )
                 $time = $post->post_date_gmt;
         else
@@ -1948 +1962 @@
  * @param bool $gmt Optional, default is false. Whether to return the gmt time.
  * @param int|object $post Optional, default is global post object. A post_id or post object
  * @param bool $translate Optional, default is false. Whether to translate the result
- * @return string Returns timestamp
+ * @return string Returns timestamp or empty string if post could not be determined.
  */
 function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
         $post = get_post($post);
 
+        if ( ! $post ) {
+                return '';
+        }
+
         if ( $gmt )
                 $time = $post->post_modified_gmt;
         else