Ticket #27271: add-filter-to-human_time_diff#27271.3.diff

wp-includes/formatting.php

@@ -2291 +2291 @@
  * @return string Human readable time difference.
  */
 function human_time_diff( $from, $to = '' ) {
-        if ( empty( $to ) )
+        if ( empty( $to ) ) {
                 $to = time();
+        }
 
         $diff = (int) abs( $to - $from );
 
@@ -2329 +2330 @@
                 $since = sprintf( _n( '%s year', '%s years', $years ), $years );
         }
 
-        return $since;
+        /**
+         * Filter the human readable difference between two timestamps.
+         *
+         * @since x.x.x
+         *
+         * @param string $since The difference in human readable text.
+         * @param string $diff The difference in seconds.
+         * @param string $from Unix timestamp from which the difference begins.
+         * @param string $to Unix timestamp to end the time difference.
+         */
+        return apply_filters( 'human_time_diff', $since, $diff, $from, $to );
 }
 
 /**