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return 0 from get_body_length before loading the body to DomDocument if body is empty

This commit is contained in:
Domovoy 2012-07-27 10:08:30 +02:00
parent 2eccbcae25
commit 27a924f286
1 changed files with 6 additions and 1 deletions
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7
showmore/showmore.php
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@ -69,10 +69,15 @@ function showmore_addon_settings_post(&$a,&$b) {
function get_body_length($body) { function get_body_length($body) {
$string = trim($body); $string = trim($body);
// DomDocument doesn't like empty strings
if(! strlen($string)) {
return 0;
}
// We need to get rid of hidden tags (display: none) // We need to get rid of hidden tags (display: none)
// Get rid of the warning. It would be better to have some valid html as input // Get rid of the warning. It would be better to have some valid html as input
$dom = @DomDocument::loadHTML($body); $dom = DomDocument::loadHTML($body);
$xpath = new DOMXPath($dom); $xpath = new DOMXPath($dom);
/* /*