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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.

Fixes #43109 for trunk.


git-svn-id: https://develop.svn.wordpress.org/trunk@42549 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse 2018-01-23 03:38:42 +00:00
parent 5bb7fc10c5
commit 5110f349a9
1 changed files with 2 additions and 2 deletions
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4
src/wp-includes/wp-db.php
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@ -1703,11 +1703,11 @@ class wpdb {
// We need to check for an IPv6 address first.
// 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]+))?#';
}
$matches = array();