Search results for: "instance ID"

How can a mysqli instance be passed to a class in PHP to avoid errors like "Call to a member function query() on null"?

When passing a mysqli instance to a class in PHP, you need to ensure that the instance is properly initialized before using it within the class to avo...

What is the best practice for calling a method of an instance from the current class in PHP?

When calling a method of an instance from the current class in PHP, it is best practice to use the `$this` keyword to reference the current object. Th...

What are the advantages and disadvantages of using a static method in a PHP class to return the appropriate object instance?

When using a static method in a PHP class to return the appropriate object instance, the main advantage is that it allows for easy access to the objec...

How can inheritance from the same instance be achieved in PHP classes?

In PHP, inheritance from the same instance can be achieved by using the `self` keyword to refer to the current class within the class definition. This...

What are the recommended options to include when creating a PDO instance in PHP?

When creating a PDO instance in PHP, it is recommended to include options such as setting the error mode to exceptions, setting the default fetch mode...