Changeset 42550 for branches/4.9

Timestamp:

01/23/2018 03:39:45 AM (7 years ago)

Author:

dd32

Message:

WPDB: Use a PCRE syntax which supports PCRE compiled between 2003 and 2006.

This fixes a PHP Warning in wpdb::parse_db_host() when WordPress is used with (sometimes a modern) PHP that's compiled against an ancient PCRE version.

Merges [42549] to the 4.9 branch.
Fixes #43109 for 4.9.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-includes/wp-db.php (modified) (1 diff)

branches/4.9/src/wp-includes/wp-db.php

@@ -1647 +1647 @@
         // An IPv6 address will always contain at least two colons.
         if ( substr_count( $host, ':' ) > 1 ) {
-            $pattern = '#^(?:\[)?(?<host>[0-9a-fA-F:]+)(?:\]:(?<port>[\d]+))?#';
+            $pattern = '#^(?:\[)?(?P<host>[0-9a-fA-F:]+)(?:\]:(?P<port>[\d]+))?#';
             $is_ipv6 = true;
         } else {
             // We seem to be dealing with an IPv4 address.
-            $pattern = '#^(?<host>[^:/]*)(?::(?<port>[\d]+))?#';
+            $pattern = '#^(?P<host>[^:/]*)(?::(?P<port>[\d]+))?#';
         }