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Create getLogLimited()

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This commit is contained in:
billz 2023-11-28 10:01:15 +00:00
parent 8cbfaed989
commit cf53c575ff
1 changed files with 23 additions and 0 deletions
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23
includes/functions.php
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@ -924,3 +924,26 @@ function checkReleaseVersion($installed, $latest) {
return false; return false;
} }
/**
* Returns logfile contents up to a maximum defined limit, in kilobytes
*
* @param string $file_path
* @param string $file_data optional
* @return string $log_limited
*/
function getLogLimited($file_path, $file_data = null) {
$limit_in_kb = isset($_SESSION['log_limit']) ? $_SESSION['log_limit'] : RASPI_LOG_SIZE_LIMIT;
$limit = $limit_in_kb * 1024; // convert KB to bytes
if ($file_data === null) {
$file_size = filesize($file_path);
$start_position = max(0, $file_size - $limit);
$log_limited = file_get_contents($file_path, false, null, $start_position);
} else {
$file_size = strlen($file_data);
$start_position = max(0, $file_size - $limit);
$log_limited = substr($file_data, $start_position);
}
return $log_limited;
}