Method fileUploadMaxSize

/**
 * Calculates the maximum upload file size and returns string with unit or the size in bytes
 *
 * Call it with JFilesystemHelper::fileUploadMaxSize();
 *
 * @param   bool  $unitOutput  This parameter determines whether the return value should be a string with a unit
 *
 * @return  float|string The maximum upload size of files with the appropriate unit or in bytes
 *
 * @since   3.4
 */
public static function fileUploadMaxSize($unitOutput = true)
{
    static $max_size = false;
    static $output_type = true;
    if ($max_size === false || $output_type != $unitOutput) {
        $max_size = self::parseSize(ini_get('post_max_size'));
        $upload_max = self::parseSize(ini_get('upload_max_filesize'));
        if ($upload_max > 0 && ($upload_max < $max_size || $max_size == 0)) {
            $max_size = $upload_max;
        }
        if ($unitOutput == true) {
            $max_size = self::parseSizeUnit($max_size);
        }
        $output_type = $unitOutput;
    }
    return $max_size;
}