Make symlinks to all files

$baseTargetPath = '/var/www/target';

$baseSourcePath = '/var/www/sources';
$sources = scandir($baseSourcePath);

$counter = 0;
$MAX_COUNT = 1000;

foreach ($sources as $filename) {
    $fullSourcePath = $baseSourcePath . '/' . $filename;
    $fullTargetPath = $baseTargetPath . '/' . $filename;
    if (in_array($filename, ['.', '..']) || is_dir($fullSourcePath) || file_exists($fullTargetPath)) {
        continue;
    }

    symlink($fullSourcePath, $fullTargetPath);
    $counter++;

    if ($counter >= $MAX_COUNT) break;
}

var_dump(scandir($baseTargetPath));