Error Handling Class
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Php Custom Error Handler Class
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Custom Error Handler Php
a minute: Sign up Error handling PHP class up vote 1 down vote favorite I am trying to write an error handler class for php. I've tested that the object has been created but it doesn't seem to be handling errors. I used the same code in a function in the index file initially and it worked fine, but I'd rather have php error handling best practices a class. Why is this not handling errors? class class_error { public function __construct() { // set to the user defined error handler set_error_handler($this->errorHandler()); } public function errorHandler($errno, $errstr, $errfile, $errline) { //don't display error if no error number if (!(error_reporting() & $errno)) { return; } //display errors according to the error number switch ($errno) { case E_USER_ERROR: echo "ERROR [$errno] $errstr
\n"; echo " Fatal error on line $errline in file $errfile"; echo ", PHP " . PHP_VERSION . " (" . PHP_OS . ")
\n"; echo "Aborting...
\n"; exit(1); break; case E_USER_WARNING: echo "WARNING [$errno] $errstr
\n"; break; case E_USER_NOTICE: echo "NOTICE [$errno] $errstr
\n"; break; default: echo "UNKNOWN ERROR [$errno] $errstr
\n"; break; } //don't execute PHP internal error handler return true; } } php class error-handling share|improve this question asked Nov 4 '13 at 16:44 Amy Neville 1,55741741 fantastic thanks :) –Amy Neville Nov 4 '13 at 16:49 1 Added it as an answer. –Máté Solymosi Nov 4 '13 at 16:51 yep ill give u a tick in a few ticks :) –A
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resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums https://msdn.microsoft.com/en-us/library/cb8f2ysx(v=vs.80).aspx Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. http://deadlytechnology.com/scripts/php-error-class/ Developing Visual FoxPro Applications Testing and Debugging Applications Handling Run-Time Errors Handling Run-Time Errors Class and Object Error Handling Class and Object Error Handling Class and Object error handling Error Handling Procedural Error Handling Class and Object Error Handling Structured Error Handling Error Handler Priority TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Class and Object Error Handling Visual Studio 2005 You can handle error handling class errors that occur in objects at run time by adding error-handling code to the Error event of an object or class definition. If you want an object to have its own error-handling behavior, add error-handling code to the object's Error event. The error-handling behavior you specify applies to that particular object only. If you want all objects based on a particular class to use the same error-handling behavior, add Error event code to the class definition, for example, for a custom class or subclass. All objects instantiated from the class contain the same error-handling behavior. If the class or subclass does not contain Error event code, it inherits error-handling behavior from the parent class. If Error event code does not exist in the parent class, Visual FoxPro searches for Error event code in another class up the class hierarchy. You can also use the NODEFAULT command and DODEFAULT( ) function to override or call code from the parent class. For more information, see Overriding and
for PHP 4 and above. It is a fairly small and simple class (only about 150 lines), I'm quite happy with it so far, of course you can download the class below and try it out for your self. Why Bother? The problem with the error reporting that comes standard with PHP (PHP 4 at least) is that it reveals too much information to users. It will display the type/nature of the error, the line and the file the error occurred in etc. This sort of feedback is obviously intended to help you, the developer, to resolve the problem. However, this sort of information may also assist someone in exploiting your web sites' vulnerabilities. There are other reasons why you would want your own custom error handler, obviously, you can customise it to do what you want. In my case I wanted to be able to: Show the user only very restricted messages loosely based on the error type Show the developer (myself) more information depending on what info I need to solve the error Alert the developer when an error has occured on one of the sites (via email) Log the errors for each site in seperate error logs. ...which is a brief list of what this error handler essentially does. How the error handler works It is fairly straight forward to set this class as the default error handler for your site. As many of my sites include a configuration file I simply use the set_error_handler() function inside this file and that is all I need. include("class.error_handler.php"); $handler = new error_handler(); set_error_handler(array(&$handler, "handler")); Here I include the error handler class, create a new instance of the error handler object and pass a reference to this object to the set_error_handler() function, as well as the name of the function inside the object that is used to handle the errors. Of course, you can pass more arguments to the class to create a more functio