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Php Catch Database Connection Error


Please try again some time.'; } share|improve this answer edited Apr 18 '14 at 8:54 answered Apr 18 '14 at 5:08 Ravi MCA 3671314 add a comment| Your Answer draft It also properly pushes all information back to the parent constructor ensuring that nothing is lost. However, if the try block has a return that has to be evaluated in-line (e.g. This function returns an error message if an e-mail address is invalid The $email variable is set to a string that is not a valid e-mail address The "try" block is check over here

I had to write this:
(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT); ?> up down 0 dronebraindeveloper at gmail dot com ¶3 years ago I am designing a new exoplanet. An exception can be thrown, and caught ("catched") within PHP. This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h http://stackoverflow.com/questions/6120589/is-there-any-way-to-catch-mysql-and-database-errors-in-php


The scenario is this: The app works, without error, but if the mysql db is offline, the errors that I posted appear. For MySQL errors, such as the one you've got, you can still get at the error itself within the program by using the mysql_error() function. ErrorException [ Warning ]: mysql_connect(): No such file or directory COREPATH/classes/database/mysql/connection.php @ line 96: 95: // Create a connection and force it to be a new link 96: $this->_connection = mysql_connect($hostname, Join them; it only takes a minute: Sign up Catching mysql connection error up vote 0 down vote favorite So i have simple code: try{ $mysqli = new mysqli($sql_login['host'], $sql_login['user'], $sql_login['password']

General Catching Database Connection Exception nearo June 2012 I've been doing various scenario testing to make sure our application catches exceptions well, but I am unable to properly catch an exception This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h It also overrides the default __toString method with a more thorough one.

interface IException
/* Protected methods inherited from Exception class Php Mysql Error Handling Top 10 Tutorials HTML Tutorial CSS Tutorial JavaScript Tutorial W3.CSS Tutorial Bootstrap Tutorial SQL Tutorial PHP Tutorial jQuery Tutorial Angular Tutorial XML Tutorial Top 10 References HTML Reference CSS Reference JavaScript

Where is the kernel documentation? Pdo Error Handling To answer the second part of your question, if you don't want the raw error message displayed on the screen, you can prevent this in one of two ways: Use the Example explained: The code above throws an exception and catches it with a custom exception class: The customException() class is created as an extension of the old exception class. http://php.net/manual/en/pdo.error-handling.php An empty string if no error occurred.

Learned something new :) –ChrisH May 25 '11 at 7:07 add a comment| up vote 3 down vote Is there any way to capture these error in to log file ... Pdo Close Connection Hot Network Questions N(e(s(t))) a string When did the coloured shoulder pauldrons on stormtroopers first appear? We have chosen to not overload the core code with parameter validation, as it would only serve to protect from programmers error, but would make the framework slower at every request. If you need more specific information about an error, PDO also offers an PDO::errorInfo() method which returns an array containing the SQLSTATE code, the driver specific error code and driver specific

Pdo Error Handling

How do you say "you all" in Esperanto? http://php.net/manual/en/pdo.connections.php Can you help me shed some light on that? Pdo::attr_errmode If you want to use this kind of exceptions, you can do the following:

function throwException($message = null,$code = Php Mysqli Error This back trace will likely reveal the full database connection details, including the username and password.

As usual PHP never explains some critical stuff in documentation. It could be a possibility to have a PHP error handler catch them and convert them to Exceptions, I'll have to see if that's feasible and if we want to do Tip: A great benefit of PDO is that it has an exception class to handle any problems that may occur in our database queries. The script just terminates. Pdo Insert Query

Of course by within the try block, i mean within every functions call happening in try block.

For example, to nicely handle old mysql errors, you can do something like Copyright 1999-2016 by Refsnes Data. Exceptions can be thrown (or re-thrown) within a catch block. http://setiweb.org/error-handling/php-database-error-handling.php Why isn't tungsten used in supersonic aircraft?

The PDO::errorCode() method returns a single SQLSTATE code. Pdo::attr_persistent Harro Verton June 2012 As said before, those are not exceptions, they are PHP warnings, errors, notices, and can not be caught using try/catch. mysql_select_db($database, $this->_connection)) 128: { Warning!

To make things easier for the user you can re-throw the exception with a user friendly message: getMessage().'

if (!$connect) { echo 'Server error. do whatever you need with database, that may mail and throw exceptions too ... */

catch (
Exception $e)

You don't have to throw it as soon as you have constructed it (the stack trace will of course reflect the moment the Exception was constructed, not the moment it was Example #1 Connecting to MySQL $dbh=newPDO('mysql:host=localhost;dbname=test',$user,$pass);

Please see this bug report for more information: https://bugs.php.net/bug.php?id=63176
up down 9 dan dot http://setiweb.org/error-handling/php-error-handling-database.php Both MySQLi and PDO have their advantages: PDO will work on 12 different database systems, where as MySQLi will only work with MySQL databases.

The ODBC Connection Pool is shared with other modules in the process; if PDO is told to cache the connection, then that connection would never be returned to the ODBC connection I appreciate your help tremendously. Please try again sometime. All Rights Reserved.

In order to get the right error-message you have to write:

if (!$mysqli->query("SET a=1")) {
printf("Errormessage: %s\n", $mysqli->error);
} up down 2 asmith16 at littlesvr dot ca These errors are all programming errors, and should be fixed long before the application reaches production state. Hello World Example #4 Exception handling with a finally block functioninverse($x){