Delete files older than a certain date.

delete-expired-files.php

<?php

/**
 * Delete files older than a given age.
 * 
 * @param  string  $dirPath  Path to directory having the files
 * @param  int     $maxAge   In seconds
 * @param  string  $pattern  File name pattern
 * 
 * @return array             Deleted files
 */
function deleteExpiredFiles($dirPath, $maxAge, $pattern = null) {
    $deleted = [];
    
    $limit = time() - $maxAge;
    
    $dirPath = realpath($dirPath);
    
    if (!is_dir($dirPath)) {
        return;
    }
    
    $dh = opendir($dirPath);

    if ($dh === false) {
        return;
    }
    
    while (($fileName = readdir($dh)) !== false) {
        $filePath = $dirPath . '/' . $fileName;
        
        if (!is_file($filePath)) {
            continue;
        }

        if($pattern && !preg_match($pattern, $fileName)) {
            continue;
        }
        
        if (filemtime($filePath) < $limit) {
            $deleted[] = $fileName;
            unlink($filePath);
        }
        
    }
    closedir($dh);

    return $deleted;
}

$logDir = storage_path('logs');
$sevenDays = 3600*24*7;
$logPattern = "/^(laravel)(.*?)(.log)$/";

$deleted = deleteExpiredFiles($logDir, $sevenDays, $logPattern);

echo "Deleted " . count($deleted) . " files:\n-> " . implode("\n-> ", $deleted);