Useful function for PHP/Laravel project

functions.php

<?php 

if (!function_exists('json_response')) {
    function json_response($data, $status=200)
    {
        return response()
            ->json($data, $status);
    }
} 

if (!function_exists('lazy_csv_file')) {
    /**
     * Reads entire csv file into a generator
     * 
     * @param mixed $path 
     * @param bool $skipFirstRow 
     * @return Generator<int, (array|null|false)> 
     * @throws Exception 
     */
    function lazy_csv_file($path, $skipFirstRow=false)
    {
        try {
            if ($handle = fopen($path, 'r')) {
                // skip first row
                if ($skipFirstRow) {
                    fgetcsv($handle);
                }

                while (($line = fgetcsv($handle, 1000)) !== FALSE) {
                    yield $line;
                }

                fclose($handle);
            }
        } catch (\Throwable $th) {
            throw new Exception($th);
        }
    }
} 

if (!function_exists('process_base_64_file')) {
    function process_base_64_file($base64File)
    {
        try {
            // .jpg .png .pdf
            $extension = explode('/', explode(':', substr($base64File, 0, strpos($base64File, ';')))[1])[1];

            $replace = substr($base64File, 0, strpos($base64File, ',') + 1);
            $file = str_replace($replace, '', $base64File);
            $file = str_replace(' ', '+', $file);

            $fileName = uniqid() . '.' . $extension;

            return [
                'file'      => $file,
                'fileName'  => $fileName,
                'extension' => $extension
            ];
        } catch (\Throwable $th) {
            return false;
        }
    }
}