vendor/phpunit/php-code-coverage/src/CodeCoverage/Driver/PHPDBG.php

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<?php
/*
 * This file is part of the PHP_CodeCoverage package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Driver for PHPDBG's code coverage functionality.
 *
 * @since Class available since Release 2.2.0
 * @codeCoverageIgnore
 */
class PHP_CodeCoverage_Driver_PHPDBG implements PHP_CodeCoverage_Driver
{
    /**
     * Constructor.
     */
    public function __construct()
    {
        if (PHP_SAPI !== 'phpdbg') {
            throw new PHP_CodeCoverage_Exception(
                'This driver requires the PHPDBG SAPI'
            );
        }

        if (!function_exists('phpdbg_start_oplog')) {
            throw new PHP_CodeCoverage_Exception(
                'This build of PHPDBG does not support code coverage'
            );
        }
    }

    /**
     * Start collection of code coverage information.
     */
    public function start()
    {
        phpdbg_start_oplog();
    }

    /**
     * Stop collection of code coverage information.
     *
     * @return array
     */
    public function stop()
    {
        static $fetchedLines = array();

        $dbgData = phpdbg_end_oplog();

        if ($fetchedLines == array()) {
            $sourceLines = phpdbg_get_executable();
        } else {
            $newFiles = array_diff(
                get_included_files(),