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
"
;
}
?>
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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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