Avoid an undefined index notice in wp_http_validate_url().
props jesin. fixes #27684. git-svn-id: https://develop.svn.wordpress.org/trunk@27953 602fd350-edb4-49c9-b593-d223f7449a82
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@ -510,7 +510,7 @@ function wp_http_validate_url( $url ) {
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if ( 80 === $port || 443 === $port || 8080 === $port )
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return $url;
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if ( $parsed_home && $same_host && $parsed_home['port'] === $port )
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if ( $parsed_home && $same_host && isset( $parsed_home['port'] ) && $parsed_home['port'] === $port )
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return $url;
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return false;
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