The setValidator method in the Symfony\Component\Console\Question\Question class is used to set a validator function for a question asked in a console application. This function is used to validate the user's input against certain conditions or restrictions. If the input does not pass the validation, an error message is displayed and the user is prompted to provide a valid input. This method helps in ensuring the data integrity and correctness of user input in a console-based interactive application developed using PHP and Symfony components.
PHP Symfony\Component\Console\Question Question::setValidator - 30 examples found. These are the top rated real world PHP examples of Symfony\Component\Console\Question\Question::setValidator extracted from open source projects. You can rate examples to help us improve the quality of examples.