Xdebug.php in Zircon Profile 8

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

<?php

/*
 * This file is part of the PHP_CodeCoverage package.
 *
 * (c) Sebastian Bergmann <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Driver for Xdebug's code coverage functionality.
 *
 * @since Class available since Release 1.0.0
 * @codeCoverageIgnore
 */
class PHP_CodeCoverage_Driver_Xdebug implements PHP_CodeCoverage_Driver {

  /**
   * Constructor.
   */
  public function __construct() {
    if (!extension_loaded('xdebug')) {
      throw new PHP_CodeCoverage_Exception('This driver requires Xdebug');
    }
    if (version_compare(phpversion('xdebug'), '2.2.0-dev', '>=') && !ini_get('xdebug.coverage_enable')) {
      throw new PHP_CodeCoverage_Exception('xdebug.coverage_enable=On has to be set in php.ini');
    }
  }

  /**
   * Start collection of code coverage information.
   */
  public function start() {
    xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
  }

  /**
   * Stop collection of code coverage information.
   *
   * @return array
   */
  public function stop() {
    $data = xdebug_get_code_coverage();
    xdebug_stop_code_coverage();
    return $this
      ->cleanup($data);
  }

  /**
   * @param  array $data
   * @return array
   * @since Method available since Release 2.0.0
   */
  private function cleanup(array $data) {
    foreach (array_keys($data) as $file) {
      unset($data[$file][0]);
      if ($file != 'xdebug://debug-eval' && file_exists($file)) {
        $numLines = $this
          ->getNumberOfLinesInFile($file);
        foreach (array_keys($data[$file]) as $line) {
          if (isset($data[$file][$line]) && $line > $numLines) {
            unset($data[$file][$line]);
          }
        }
      }
    }
    return $data;
  }

  /**
   * @param  string $file
   * @return int
   * @since Method available since Release 2.0.0
   */
  private function getNumberOfLinesInFile($file) {
    $buffer = file_get_contents($file);
    $lines = substr_count($buffer, "\n");
    if (substr($buffer, -1) !== "\n") {
      $lines++;
    }
    return $lines;
  }

}

Classes

Name	Description
PHP_CodeCoverage_Driver_Xdebug	Driver for Xdebug's code coverage functionality.