sebastianbergmann/php-code-coverage — pull request #185 by uyga (2013-08-26 14:24:37+00:00)
Title: Added ability to export PHP_CodeCoverage object to .smart format

Export and import for PHP_CodeCoverage in our project was too long - approx 70 hours. With changing serialize/unserialize approach we've got 2.5 hours. New approach is var_export and include.