![]() ![]() HTTP Status Code and Exit Code when Exception Occurs Previously, it is thrown if CI_DEBUG is true. Now when you delete without WHERE clause in Model, DatabaseException is thrown even ifĬI_DEBUG is false. Running Transactions Manually won’t work. Will be rolled backed, and an exception will be thrown, so Managing Errors or Previously, if a query error occurs, all the queries ![]() When running transactions with DBDebug is true, even if a query error occurs, exceptionsĪre not thrown by default. With these changes, DBDebug now means whether or not to throw an exception when an error occurs.Īlthough unrelated to debugging, the name has not been changed. ![]() The default value of BaseConnection::$DBDebug has been changed to true. Now DatabaseException thrown in BaseBuilder is thrown if $DBDebug is true. Previously, it is false only in the production environment. Settings, an exception is always thrown when a database error occurs. To be consistent in behavior regardless of environments, Config\Database::$defaultĪnd Config\Database::$tests has been changed to true by default. Previously, different database drivers might throw different exception classes or did not throw exceptions, but these have been unified into DatabaseException.ĭuring transactions, exceptions are not thrown by default even if DBDebug is true. The exceptions thrown by the execute() method of Prepared Queries have been changed to DatabaseException. Previously, different database drivers threw different exception classes, but these have been unified into DatabaseException. The exceptions thrown by the database connection classes have been changed to CodeIgniter\Database\Exceptions\DatabaseException. See Exceptions when Database Errors Occur.īREAKING Behavior Changes Exceptions when Database Errors Occur The exception classes that can be thrown have been changed. When a database error occurs, the conditions that an exception is thrown and To make the default configuration more secure, the default Validation Rules Name indexes ( contributed by sclubricants). Now *batch() methods can set data from a queryĭatabase Forge supports to add indexes in the existing tables and Query Builder supports upsert(), upsertBatch(), deleteBatch() and Open Myfirst.HTTP Status Code and Exit Code when Exception Occurs.Create a PHP file named Myfirst.php and save it in app/Controllers/ directory.For example, we will create a controller named “My First” Controller, let’s following the following steps: Now it is time to create your first controller in CodeIgniter 4. Controller class name: Class name must be the same filename.Ĭreate Your First Controller in CodeIgniter 4.Incorrect controller filename: HelloWorld.php, ForgotPassword.php.Correct controller filename: Helloworld.php, Login.php, Forgotpasword.php.Controller filename: The first char must be uppercase.There is a bit of naming convention when creating a Controller in CodeIgniter 4 you need to keep in mind. ![]() When user makes the above request, CodeIgniter will attempt to find a Controller class named in Contact.php in app/Controllers/ directory and load it and response result to user.Ĭontroller Naming Convention in CodeIgniter 4 It determines what response to send back to a user when a user makes a browser request. The post will provide you code examples as well as clearly explanation.Ĭheck the following post to learn more about CodeIgniter 4: Learn CodeIgniter 4 Tutorials.Ī Controller is simply a PHP class and contains public methods called action methods. In this post we will learn about Controller in CodeIgniter 4. ![]()
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