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HTTP: Improve detection of valid IP addresses.

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Merge of [37115] to the 4.4 branch.
Built from https://develop.svn.wordpress.org/branches/4.4@37116


git-svn-id: http://core.svn.wordpress.org/branches/4.4@37083 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dominik Schilling 2016-03-30 15:51:26 +00:00
parent 4d66a3b242
commit 434d135f12
1 changed files with 1 additions and 1 deletions
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2
wp-includes/http.php
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@ -527,7 +527,7 @@ function wp_http_validate_url( $url ) {
if ( ! $same_host ) {
$host = trim( $parsed_url['host'], '.' );
if ( preg_match( '#^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $host ) ) {
if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', $host ) ) {
$ip = $host;
} else {
$ip = gethostbyname( $host );