How to generate a custom JSON key name in PHP using Laravel

Currently, I am utilizing imagick to extract a number of pages and then store it in JSON format. However, the number is stored as is without any key, for instance - 20. I am seeking a way to store the number with a specific key like below:

{
   "pages": "20"
}

Below is an example of the code that I have. $json represents the path to the newly created JSON file, while $num signifies the total number of pages.

Storage::put(($json), $num);

My question is should I first create the JSON file, then find a way to add a key to the number before encoding the file?

phparraysjsonlaravel

Answer №1

    /**
     * Save the data to a file.
     *
     * @param string $filePath
     * @param string|resource $data
     * @param mixed $settings
     * @return bool 
     * @static 
     */ 
    public static function saveData($filePath, $data, $settings = array())
    {
        return \Illuminate\Filesystem\FilesystemAdapter::saveData($filePath, $data, $settings);
    }

The second argument for Storage::saveData should be the raw data you want to store in the specified path. Therefore, you must first encode your metadata into the desired format.

For example:

$info = ['pages' => $num];
Storage::saveData($jsonFilePath, json_encode($info));

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