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-rw-r--r--lib/http-conditional.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/http-conditional.php b/lib/http-conditional.php
index 1a1b6a6dc..21382b735 100644
--- a/lib/http-conditional.php
+++ b/lib/http-conditional.php
@@ -182,7 +182,7 @@ function httpConditional(int $UnixTimeStamp, int $cacheSeconds = 0, int $cachePr
* Reference rfc2616-sec14.html#sec14.11
*/
function _httpConditionalCallBack(string $buffer, int $mode = 5): string {
- if (extension_loaded('zlib') && (!ini_get('zlib.output_compression'))) {
+ if (extension_loaded('zlib') && (ini_get('zlib.output_compression') == false)) {
$buffer2 = ob_gzhandler($buffer, $mode) ?: ''; //Will check HTTP_ACCEPT_ENCODING and put correct headers such as Vary //rfc2616-sec14.html#sec14.44
if (strlen($buffer2) > 1) //When ob_gzhandler succeeded
$buffer = $buffer2;