vendor/phpunit/php-code-coverage/tests/_files/source_with_class_and_anonymous_function.php


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<?php

class CoveredClassWithAnonymousFunctionInStaticMethod
{
    public static function runAnonymous()
    {
        $filter = ['abc124', 'abc123', '123'];

        array_walk(
            $filter,
            function (&$val, $key) {
                $val = preg_replace('|[^0-9]|', '', $val);
            }
        );

        // Should be covered
        $extravar = true;
    }
}