original_string: public static function get_enrolment_data($data) {
          $enrolmethods = array();
          $enroloptions = array();
          foreach ($data as $field => $value) {
  
              // Enrolmnent data.
              $matches = array();
              if (preg_match('/^enrolment_(\d+)(_(.+))?$/', $field, $matches)) {
                  $key = $matches[1];
                  if (!isset($enroloptions[$key])) {
                      $enroloptions[$key] = array();
                  }
                  if (empty($matches[3])) {
                      $enrolmethods[$key] = $value;
                  } else {
                      $enroloptions[$key][$matches[3]] = $value;
                  }
              }
          }
  
          // Combining enrolment methods and their options in a single array.
          $enrolmentdata = array();
          if (!empty($enrolmethods)) {
              $enrolmentplugins = self::get_enrolment_plugins();
              foreach ($enrolmethods as $key => $method) {
                  if (!array_key_exists($method, $enrolmentplugins)) {
                      // Error!
                      continue;
                  }
                  $enrolmentdata[$enrolmethods[$key]] = $enroloptions[$key];
              }
          }
          return $enrolmentdata;
      }
code: public static function get_enrolment_data($data) {
          $enrolmethods = array();
          $enroloptions = array();
          foreach ($data as $field => $value) {
  
              // Enrolmnent data.
              $matches = array();
              if (preg_match('/^enrolment_(\d+)(_(.+))?$/', $field, $matches)) {
                  $key = $matches[1];
                  if (!isset($enroloptions[$key])) {
                      $enroloptions[$key] = array();
                  }
                  if (empty($matches[3])) {
                      $enrolmethods[$key] = $value;
                  } else {
                      $enroloptions[$key][$matches[3]] = $value;
                  }
              }
          }
  
          // Combining enrolment methods and their options in a single array.
          $enrolmentdata = array();
          if (!empty($enrolmethods)) {
              $enrolmentplugins = self::get_enrolment_plugins();
              foreach ($enrolmethods as $key => $method) {
                  if (!array_key_exists($method, $enrolmentplugins)) {
                      // Error!
                      continue;
                  }
                  $enrolmentdata[$enrolmethods[$key]] = $enroloptions[$key];
              }
          }
          return $enrolmentdata;
      }
code_tokens: public static function get_enrolment_data ( $ data ) { $ enrolmethods = array ( ) ; $ enroloptions = array ( ) ; foreach ( $ data as $ field => $ value ) { // Enrolmnent data. $ matches = array ( ) ; if ( preg_match ( '/^enrolment_(\d+)(_(.+))?$/' , $ field , $ matches ) ) { $ key = $ matches [ 1 ] ; if ( ! isset ( $ enroloptions [ $ key ] ) ) { $ enroloptions [ $ key ] = array ( ) ; } if ( empty ( $ matches [ 3 ] ) ) { $ enrolmethods [ $ key ] = $ value ; } else { $ enroloptions [ $ key ] [ $ matches [ 3 ] ] = $ value ; } } } // Combining enrolment methods and their options in a single array. $ enrolmentdata = array ( ) ; if ( ! empty ( $ enrolmethods ) ) { $ enrolmentplugins = self :: get_enrolment_plugins ( ) ; foreach ( $ enrolmethods as $ key => $ method ) { if ( ! array_key_exists ( $ method , $ enrolmentplugins ) ) { // Error! continue ; } $ enrolmentdata [ $ enrolmethods [ $ key ] ] = $ enroloptions [ $ key ] ; } } return $ enrolmentdata ; }
docstring: Extract enrolment data from passed data.
  
  Constructs an array of methods, and their options:
  array(
  'method1' => array(
  'option1' => value,
  'option2' => value
  ),
  'method2' => array(
  'option1' => value,
  'option2' => value
  )
  )
  
  @param array $data data to extract the enrolment data from.
  @return array
docstring_tokens: Extract enrolment data from passed data .