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Avoid caching issues using last modified time

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Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>
This commit is contained in:
RD WebDesign
2023-01-13 17:51:35 -03:00
parent 854e7e926d
commit 302a402277
24 changed files with 80 additions and 70 deletions
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13
scripts/pi-hole/php/func.php
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@@ -111,6 +111,19 @@ function checkfile($filename)
return '/dev/null';
}
// Avoid browser caching old versions of a file, using the last modification time
// Receive the file URL (without "/admin/");
// Return the string containin URL + "?v=xxx", where xxx is the last modified time of the file.
function fileversion($url)
{
$filename = $_SERVER['DOCUMENT_ROOT'].'/admin/'.$url;
if (file_exists($filename)) {
$ver = filemtime($filename);
}
return $url.'?v='.$ver;
}
// Credit: http://php.net/manual/en/function.hash-equals.php#119576
if (!function_exists('hash_equals')) {
function hash_equals($known_string, $user_string)