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CodeIgniter provides an API Response trait that can be used with any controller to make common response types simple, with no need to remember which HTTP status code should be returned for which response types. Example Usage. Handling Response Types. Class Reference.
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Note By default, CodeIgniter displays all PHP errors. You might wish to change this behavior once your development is complete. You'll find the error_reporting() function located at the top of your main index.php file.
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The Response class provides a simple way to send a file to the client, prompting the browser to download the data to your computer. This sets the appropriate headers to make it happen. The first parameter is the name you want the downloaded file to be named, the second parameter is the file data.
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Handling and displaying errors in CodeIgniter is crucial for providing a smooth user experience and diagnosing issues during development. CodeIgniter offers several mechanisms to handle and display errors effectively:. For example, you can define a custom 404 page to handle "Page Not Found" errors. Exception Handling:
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This article aims to highlight different ways to handle errors in CodeIgniter, provide some useful debugging techniques, and guide you in troubleshooting common issues. Let's start by understanding how to display errors in CodeIgniter. Displaying Errors in CodeIgniter
Error Handling in CodeIgniter
error_reporting(E_USER_NOTICE); E_ΑΝΑΚΤΗΣΗ_ΣΦΑΛΜΑ: Εμφανίζει σφάλματα που δεν είναι μοιραία και μπορούν να αντιμετωπιστούν χρησιμοποιώντας προσαρμοσμένους χειριστές σφαλμάτων: error_reporting(E_RECOVERABLE_ERROR); E_ALL
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By default, development mode will display errors and testing and live mode will hide them. CodeIgniter provides three functions as shown below to handle errors. show_error() function displays errors in HTML format at the top of the screen.
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@Monica, not sure if this helps, but you should know that the CI database functions never throw any errors. They just return true or false. Therefore @Sarfraz is right, you must either check for true/false yourself and/or throw Exceptions yourself. Also, your exception handling code does nothing.
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Learn codeigniter - show_error() > Step 2: And Like the video.BONUS: You can also share it!
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By default, CodeIgniter will display all errors in the development and test environments, and will not display any errors in the production environment. You can change this by setting the CI.
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These settings are made known to us by codeigniter by the use of error_reporting() function on every page call, which overrides the settings of display_errors. This error_reporting() is found in the main index.php file.
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One thing I am having difficulties with is handling errors on db queries. Could someone please tell me the correct way to do this as I cannot seem to find the answer in the docs or previous SO questions.
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By default, CodeIgniter will display all errors in the development and testing environments, and will not display any errors in the production environment. You can change this by setting the CI_ENVIRONMENT variable in the .env file.
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When you encounter file permission errors in CodeIgniter, you can handle them using the following steps: Check file and folder permissions: Ensure that the files and folders you are attempting to access have the appropriate read and write permissions. Typically, the folders should have a permission of 755, and files should have a permission of 644.
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By default, development mode will display errors and test and production mode will hide them. CodeIgniter provides errors hide and show as shown below example. Example :-error_reporting(-0); ini_set('display_errors', 0); error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT & ~E_USER_NOTICE & ~E_USER_DEPRECATED);
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