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Return false immediately if $url is empty for common_valid_http_url

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This commit is contained in:
Mikael Nordfeldth 2017-05-06 12:25:27 +02:00
parent 8a4bec811b
commit 709f1bbd75
1 changed files with 4 additions and 0 deletions
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4
lib/util.php
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@ -1906,6 +1906,10 @@ function common_log_objstring(&$object)
function common_valid_http_url($url, $secure=false) function common_valid_http_url($url, $secure=false)
{ {
if (empty($url)) {
return false;
}
// If $secure is true, only allow https URLs to pass // If $secure is true, only allow https URLs to pass
// (if false, we use '?' in 'https?' to say the 's' is optional) // (if false, we use '?' in 'https?' to say the 's' is optional)
$regex = $secure ? '/^https$/' : '/^https?$/'; $regex = $secure ? '/^https$/' : '/^https?$/';