php-url-filesize

<?php 

    /**
     * @return void
     */
    private function setInformationRemoteJsonFile(): void
    {
        $curl = curl_init();

        curl_setopt_array($curl, [
            CURLOPT_URL => $this->jsonUrl,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HEADER => true,
            CURLOPT_NOBODY => true,
            CURLOPT_HTTPHEADER => ['Authorization: Basic ...'], // if need
        ]);

        curl_exec($curl);
        $info = curl_getinfo($curl);
        curl_close($curl);

        $this->jsonUrl = $info['url'];
        $this->httpCode = $info['http_code'];
        $this->jsonSize = $this->calculateSize($info['download_content_length']);
    }

    /**
     * @param float $size
     * @return float|int
     */
    private function calculateSize(float $size)
    {
        if (-1.0 === $size) {
            throw new RuntimeException("Incorrect file size");
        }

        $calcSize = 0;

        switch ($size) {
            case $size < 1024:
                $calcSize = $size; // b
                $this->unitMeasurement = 'b';
                break;
            case $size < 1048576:
                $calcSize = round($size / 1024, 6); // Kb
                $this->unitMeasurement = 'kb';
                break;
            case $size < 1073741824:
                $calcSize = round($size / 1048576, 6); // Mb
                $this->unitMeasurement = 'mb';
                break;
            case $size < 1099511627776:
                $calcSize = round($size / 1073741824, 6); // Gb
                $this->unitMeasurement = 'gb';
                break;
        }

        return $calcSize;
    }

    /**
     * @return void
     */
    private function saveJsonToFile(): void
    {
        if (!$this->pathToSavedFile) {
            throw new RuntimeException("Directory: $this->pathToSavedFile thi is deleted");
        }

        $file = fopen($this->pathToSavedFile, 'wb');

        if (!$file) {
            throw new RuntimeException("Failed to save file");
        }

        $curl = curl_init();

        curl_setopt_array($curl, [
            CURLOPT_URL => $this->jsonUrl,
            CURLOPT_FILE => $file,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HEADER => false,
            CURLOPT_HTTPHEADER => ['Authorization: Basic emFiYml4X21haW46VWI0NUFkUlk='],
        ]);

        $data = curl_exec($curl);
        curl_close($curl);

        $file = file_put_contents($this->pathToSavedFile, $data);

        if (!$file) {
            throw new RuntimeException('Failed to save file');
        }
    }