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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.
例
例子 1. dba_handlers() Example |
<?php
echo "Available DBA handlers:\n";
foreach (dba_handlers(true) as $handler_name => $handler_version) {
$handler_version = str_replace('$', '', $handler_version);
echo " - $handler_name: $handler_version\n";
}
?>
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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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dba_firstkey