clrghouz/app/Casts/CompressedString.php

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<?php
namespace App\Casts;
use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Arr;
class CompressedString implements CastsAttributes
{
/**
* Cast the given value.
*
* For postgresl bytea columns the value is a resource stream
*
* @param Model $model
* @param string $key
* @param mixed $value
* @param array $attributes
* @return string
*/
public function get($model,string $key,mixed $value,array $attributes): string
{
static $converted = [];
if (Arr::get($converted,$key))
return $value;
// For stream resources, we to fseek in case we've already read it.
if (is_resource($value))
fseek($value,0);
$value = is_resource($value)
? stream_get_contents($value)
: $value;
$converted[$key] = TRUE;
return $value ? zstd_uncompress(base64_decode($value)) : '';
}
/**
* Prepare the given value for storage.
*
* @param Model $model
* @param string $key
* @param mixed $value
* @param array $attributes
* @return string
*/
public function set($model,string $key,$value,array $attributes): string
{
return $value ? base64_encode(zstd_compress($value)) : '';
}
}