dba_handlers
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
dba_handlers — List all the handlers available
說明
   dba_handlers(bool 
  $full_info = false): arraydba_handlers() list all the handlers supported by this extension.
參數
- 
full_info
- 
      Turns on/off full information display in the result. 
返回值
   Returns an array of database handlers. If full_info
   is set to true, the array will be associative with the handlers names as
   keys, and their version information as value. Otherwise, the result will be
   an indexed array of handlers names.  
  
注意:
When the internal cdb library is used you will see
cdbandcdb_make.
範例
示例 #1 dba_handlers() Example
<?php
echo "Available DBA handlers:\n";
foreach (dba_handlers(true) as $handler_name => $handler_version) {
  // clean the versions
  $handler_version = str_replace('$', '', $handler_version);
  echo " - $handler_name: $handler_version\n";
}
?>
以上例程的輸出類似於:
Available DBA handlers: - cdb: 0.75, Revision: 1.3.2.3 - cdb_make: 0.75, Revision: 1.2.2.4 - db2: Sleepycat Software: Berkeley DB 2.7.7: (08/20/99) - inifile: 1.0, Revision: 1.6.2.3 - flatfile: 1.0, Revision: 1.5.2.4