BigFileTools\Driver\NativeReadDriver::getFileSize()

Complexity

Conditions	3
Paths	3

Size

Total Lines	19
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

<?php
	public function getFileSize($path)
	{
		$fp = fopen($path, "rb");
		if (!$fp) {
			throw new Exception("Cannot read from file.");
		}

		flock($fp, LOCK_SH);
		rewind($fp);
		$fileSize = BigInteger::zero();
		$chunkSize = 1024 * 1024;
		while (!feof($fp)) {
			$readBytes = strlen(fread($fp, $chunkSize));
			$fileSize = $fileSize->plus($readBytes);
		}
		flock($fp, LOCK_UN);
		fclose($fp);
		return $fileSize;
	}
}