SQLite3::enableExceptions
(PHP 5 >= 5.3.0, PHP 7)
SQLite3::enableExceptions — Enable throwing exceptions
说明
SQLite3::enableExceptions ([
bool
$enableExceptions
= FALSE
] ) :
bool
Controls whether the SQLite3 instance will throw exceptions or warnings on error.
参数
-
enable
-
When
TRUE
, the SQLite3 instance, and SQLite3Stmt and SQLite3Result instances derived from it, will throw exceptions on error.When
FALSE
, the SQLite3 instance, and SQLite3Stmt and SQLite3Result instances derived from it, will raise warnings on error.For either mode, the error code and message, if any, will be available via SQLite3::lastErrorCode() and SQLite3::lastErrorMsg() respectively.
返回值
Returns the old value; TRUE
if exceptions were enabled, FALSE
otherwise.
范例
Example #1 SQLite3::enableExceptions() example
<?php
$sqlite = new SQLite3(':memory:');
try {
$sqlite->exec('create table foo');
$sqlite->enableExceptions(true);
$sqlite->exec('create table bar');
} catch (Exception $e) {
echo 'Caught exception: ' . $e->getMessage();
}
?>
以上例程的输出类似于:
Warning: SQLite3::exec(): near "foo": syntax error in example.php on line 4 Caught exception: near "bar": syntax error