Fatal error: Uncaught Error: Class "PHPUnit_Framework_Constraint_PCREMatch" not found in C:\xampp\htdocs\php\pear\PHPUnit\Framework\Constraint\StringMatches.php:59 Stack trace: #0 {main} thrown in C:\xampp\htdocs\php\pear\PHPUnit\Framework\Constraint\StringMatches.php on line 59