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PHP 手册
dba_handlers
(PHP 4 >= 4.3.0, PHP 5)
dba_handlers -- List all the handlers available
说明
array dba_handlers ( [bool full_info] )
dba_handlers() list all the handlers supported by this extension.
参数
- full_info
-
Turns on/off full information display in the result. The default is FALSE.
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: When the internal cdb library is used you will see cdb and cdb_make.
范例
例子 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";
}
?> |
上例的输出类似于：
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 |
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