public function testFileSize()
{
// file size
$this->assertEquals(FileHandler::filesize(0), '0Byte');
$this->assertEquals(FileHandler::filesize(1), '1Byte');
$this->assertEquals(FileHandler::filesize(386), '386Bytes');
$this->assertEquals(FileHandler::filesize(1023), '1023Bytes');
$this->assertEquals(FileHandler::filesize(1024), '1.0KB');
$this->assertEquals(FileHandler::filesize(2480), '2.4KB');
$this->assertEquals(FileHandler::filesize(1024 * 1024 - 1), '1024.0KB');
$this->assertEquals(FileHandler::filesize(1024 * 1024), '1.00MB');
$this->assertEquals(FileHandler::filesize(3 * 1024 * 1024 + 210 * 1024), '3.21MB');
// return bytes
$this->assertEquals(FileHandler::returnBytes('0B'), 0);
$this->assertEquals(FileHandler::returnBytes('1024B'), 1024);
$this->assertEquals(FileHandler::returnBytes('1K'), 1024);
$this->assertEquals(FileHandler::returnBytes('102.48K'), 1024 * 102.48);
$this->assertEquals(FileHandler::returnBytes('1M'), 1024 * 1024);
$this->assertEquals(FileHandler::returnBytes('1.12M'), 1024 * 1024 * 1.12);
$this->assertEquals(FileHandler::returnBytes('1023.99M'), 1024 * 1024 * 1023.99);
$this->assertEquals(FileHandler::returnBytes('1G'), 1024 * 1024 * 1024);
$this->assertEquals(FileHandler::returnBytes('12.02G'), 1024 * 1024 * 1024 * 12.02);
}
/**
* Check available memory to load image file
*
* @param array $imageInfo Image info retrieved by getimagesize function
* @return bool true: it's ok, false: otherwise
*/
function checkMemoryLoadImage(&$imageInfo)
{
if (!function_exists('memory_get_usage')) {
return true;
}
$K64 = 65536;
$TWEAKFACTOR = 2.0;
$channels = $imageInfo['channels'];
if (!$channels) {
$channels = 6;
}
//for png
$memoryNeeded = round(($imageInfo[0] * $imageInfo[1] * $imageInfo['bits'] * $channels / 8 + $K64) * $TWEAKFACTOR);
$availableMemory = FileHandler::returnBytes(ini_get('memory_limit')) - memory_get_usage();
if ($availableMemory < $memoryNeeded) {
return false;
}
return true;
}
