/**
  * Deletes a certificate from a specified hosted service in a specified subscription.
  * 
  * @command-name Delete
  * @command-description Deletes a certificate from a specified hosted service in a specified subscription.
  * @command-parameter-for $subscriptionId Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile|Microsoft_Console_Command_ParameterSource_Env --SubscriptionId|-sid Required. This is the Windows Azure Subscription Id to operate on.
  * @command-parameter-for $certificate Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile|Microsoft_Console_Command_ParameterSource_Env --Certificate|-cert Required. This is the .pem certificate that user has uploaded to Windows Azure subscription as Management Certificate.
  * @command-parameter-for $certificatePassphrase Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile --Passphrase|-p The certificate passphrase. If not specified, a prompt will be displayed.
  * @command-parameter-for $serviceName Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile|Microsoft_Console_Command_ParameterSource_Env|Microsoft_Console_Command_ParameterSource_StdIn --ServiceName|-sn Required. The name of the hosted service.
  * @command-parameter-for $thumbprint Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile --CertificateThumbprint Required. The certificate thumbprint for which to retrieve the certificate.
  * @command-parameter-for $algorithm Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile --ThumbprintAlgorithm Required. The certificate's algorithm.
  * @command-parameter-for $waitForOperation Microsoft_Console_Command_ParameterSource_Argv|Microsoft_Console_Command_ParameterSource_ConfigFile --WaitFor|-w Optional. Wait for the operation to complete?
  * @command-example Get certificate for service name "phptest":
  * @command-example Get -sid="<your_subscription_id>" -cert="mycert.pem" -sn="phptest" --CertificateThumbprint="<thumbprint>" --ThumbprintAlgorithm="sha1"
  */
 public function deleteCertificateCommand($subscriptionId, $certificate, $certificatePassphrase, $serviceName, $thumbprint, $algorithm = "sha1", $waitForOperation = false)
 {
     $client = new Microsoft_WindowsAzure_Management_Client($subscriptionId, $certificate, $certificatePassphrase);
     $client->deleteCertificate($serviceName, $algorithm, $thumbprint);
     if ($waitForOperation) {
         $client->waitForOperation();
     }
     echo $serviceName;
 }