<?php

function backup_db()  /** backup db **/
{
  $resource_service_handle = ibase_service_attach ('localhost', 'sysdba', 'masterkey');
  ibase_backup($resource_service_handle, 'C:\wamp\www\testing\database_asli.FDB', 'C:\wamp\www\testing\tes_backupdbfdb.FBK', false);
  if (ibase_service_detach ($resource_service_handle) === TRUE) {
    $zip = new ZipArchive();
    if ( $zip->open('C:\wamp\www\testing\tes_backupdbfdb.zip', ZipArchive::CREATE) === TRUE ) {
      $zip->addFromString(basename('C:\wamp\www\testing\tes_backupdbfdb.FBK'), basename('C:\wamp\www\testing\tes_backupdbfdb.FBK'));
      $zip->close();
      chmod('C:\wamp\www\testing\tes_backupdbfdb.FBK', 0777);
      unlink('C:\wamp\www\testing\tes_backupdbfdb.FBK'); // hapus file hasil backup karena sudah dizip
      return TRUE;
    }
    else {
      return FALSE;
    }
  }
  return FALSE;
}

echo backup_db();
?>