Php/docs/function.dba-handlers
dba_handlers
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
dba_handlers — List all the handlers available
说明
dba_handlers
([ bool $full_info
= false
] ) : array
dba_handlers() list all the handlers supported by this extension.
参数
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.
Note:
When the internal cdb library is used you will see
cdb
andcdb_make
.
范例
Example #1 dba_handlers() Example
<?phpecho "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";}?>
以上例程的输出类似于:
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