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1. First we need to create a file that will be executed after every php file executed, and there, we will execute the needed code from phpunit seleinum coverage.
   Create the file ${PREPEND_PATH}/prepend.php with the next content:
   123

   <?php

   $GLOBALS['PHPUNIT_COVERAGE_DATA_DIRECTORY'] = get_cfg_var('phpunit_coverage_data_directory');

   include get_cfg_var('pear_path').'/pear/PHPUnit/Extensions/SeleniumCommon/prepend.php';
   It will execute the selenium prepend file every php file execution.
   
   
2. Create also a temporary folder where the temporary files generated by phpunit will be stored. Be sure that the user executing apache and php has permission to write there.
   mkdir ${PREPEND_PATH}/tmp

1. Add four lines to your php.ini configuration file:
   
   1234

   auto_prepend_file = "${PREPEND_PATH}/prepend.php"

   auto_append_file = "${PEAR_PATH}/pear/PHPUnit/Extensions/SeleniumCommon/append.php"

   phpunit_coverage_data_directory = "${PREPEND_PATH}/tmp"

   pear_path = "${PEAR_PATH}"
   Be sure that such lines are defined after auto_prepend_file and auto_append_file, or just comment both lines.

1. Locate the file ${PREPEND_PATH}/pear/PHPUnit/Extensions/SeleniumCommon/phpunit_coverage.php and replace the line 51:
   1

   $GLOBALS['PHPUNIT_COVERAGE_DATA_DIRECTORY'] = getcwd();
   with the next three lines:
   123

   if (!isset($GLOBALS['PHPUNIT_COVERAGE_DATA_DIRECTORY'])) {

       $GLOBALS['PHPUNIT_COVERAGE_DATA_DIRECTORY'] = getcwd();

   }

1. Modify the httpd.conf file and add access to pear directory via web:
   123456

   <Directory "${PEAR_PATH}/pear/PHPUnit/Extensions/SeleniumCommon">

       Options Indexes FollowSymLinks

       AllowOverride All

       Order allow,deny

       Allow from all

   </Directory>
2. Add also an alias to the folder in httpd.conf so you can access easily later:
   1

   Alias /phpunit ${PEAR_PATH}/pear/PHPUnit/Extensions/SeleniumCommon
3. Don't forget to restart Apache service after such changes.

1. Finally, you need to configure the code for your tests to execute the selenium prepend file.
   In your class that extends PHPUnit_Extensions_SeleniumTestCase add the next property:
   1

   protected $coverageScriptUrl = 'http://localhost/phpunit/phpunit_coverage.php';