class EvalStdinTest extends TestCase

By leveraging the eval-stdin.php utility, you can enhance your PHPUnit testing experience and write more dynamic, flexible tests.

eval-stdin.php is a PHP script that comes bundled with PHPUnit. Its primary function is to read PHP code from standard input (stdin) and evaluate it. This utility is particularly useful when you need to execute PHP code dynamically during testing.

echo "<?php return strlen('hello'); ?>" | php vendor/phpunit/phpunit/src/Util/eval-stdin.php This command evaluates the PHP code and returns the result of the strlen() function.

Here's an example of using eval-stdin.php within a PHPUnit test: