Identifying Whether a Bucket Exists

You can call ObsClient->headBucket to identify whether a bucket exists.

This example checks whether bucket bucketname exists.

The example code is as follows:

// Import the dependency library.
require 'vendor/autoload.php';
// Import the SDK code library during source code installation.
// require 'obs-autoloader.php';
// Declare the namespace.
use Obs\ObsClient;
// Create an instance of ObsClient.
$obsClient = new ObsClient ( [ 
      //Obtain an AK/SK pair using environment variables or import the AK/SK pair in other ways. Using hard coding may result in leakage.
      //Obtain an AK/SK pair on the management console.      'key' => getenv('ACCESS_KEY_ID'),
      'secret' => getenv('SECRET_ACCESS_KEY'),
      'endpoint' => 'https://your-endpoint'
] );

try{
       $resp = $obsClient->headBucket([
              'Bucket' => 'bucketname'
       ]);
       printf("Bucket exists");
}catch (\Obs\Common\ObsException $obsException){
       if($obsException->getStatusCode() === 404){
              printf("Bucket does not exist");
       }else{
              printf("ExceptionCode:%s\n", $obsException->getExceptionCode());       
              printf("getExceptionMessage:%s\n", $obsException->getExceptionMessage());
       }
}

• If an exception is thrown and the returned HTTP status code is 404, the bucket does not exist.