Hướng dẫn php mysql error handling
(PHP 5, PHP 7, PHP 8) Nội dung chính mysqli::$connect_error -- mysqli_connect_error — Returns a description of the last connection error DescriptionObject-oriented style Procedural style mysqli_connect_error(): ?string ParametersThis function has no parameters. Return Values A string that describes the error.
ExamplesExample #1 $mysqli->connect_error example Object-oriented style
(MYSQLI_REPORT_OFF); Procedural style
(MYSQLI_REPORT_OFF); See Also
There are no user contributed notes for this page. (PHP 4, PHP 5) mysql_error — Returns the text of the error message from previous MySQL operation Descriptionmysql_error(resource Parameterslink_identifier The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect() is assumed. If no such link is found, it will try to create one as if mysql_connect() had been called with no arguments. If no connection is found or established, an
Return Values Returns the error text from the last MySQL function, or ExamplesExample #1 mysql_error() example
The above example will output something similar to: 1049: Unknown database 'nonexistentdb' 1146: Table 'kossu.nonexistenttable' doesn't exist See Also
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db_query( $query ){ Gianluigi_Zanettini-MegaLab.it ¶ 15 years ago
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$this->db_handle!=FALSE && $db_selection_status!=FALSE) Gerrit ¶ 8 years ago
How do I fix PHP connection error?PHP mysqli_connect_error() function returns an string value representing the description of the error from the last connection call, incase of a failure. If the connection was successful this function returns Null. What is CONNDefinition and Usage. The connect_error / mysqli_connect_error() function returns the error description from the last connection error, if any. How show MySQL error message in PHP?If you want to display errors like "Access denied...", when mysql_error() returns "" and mysql_errno() returns 0, use $php_errormsg. This Warning will be stored there. You need to have track_errors set to true in your php. ini. How can I get PDO exception in PHP?Procedure. To catch a PDOException object and handle the associated error: Wrap the call to the PDO constructor in a try block. ... . To retrieve the SQLSTATE associated with a PDO or PDOStatement object, invoke the errorCode method on the object.. |