protected function gapi::processFilter in Google Analytics Statistics 7

Same name and namespace in other branches

1. 7.2 includes/gapi.class.php \gapi::processFilter()
2. 7.x inc/gapi.class.php \gapi::processFilter()

Process filter string, clean parameters and convert to Google Analytics compatible format

Parameters

String $filter:

Return value

String Compatible filter string

1 call to gapi::processFilter()

gapi::requestReportData in includes/gapi.class.php

Request report data from Google Analytics

File

includes/gapi.class.php, line 230

Class

gapi

GAPI - Google Analytics PHP Interface

Code

protected function processFilter($filter) {
  $valid_operators = '(!~|=~|==|!=|>|<|>=|<=|=@|!@)';
  $filter = preg_replace('/\\s\\s+/', ' ', trim($filter));

  //Clean duplicate whitespace
  $filter = str_replace(array(
    ',',
    ';',
  ), array(
    '\\,',
    '\\;',
  ), $filter);

  //Escape Google Analytics reserved characters
  $filter = preg_replace('/(&&\\s*|\\|\\|\\s*|^)([a-z]+)(\\s*' . $valid_operators . ')/i', '$1ga:$2$3', $filter);

  //Prefix ga: to metrics and dimensions
  $filter = preg_replace('/[\'\\"]/i', '', $filter);

  //Clear invalid quote characters
  $filter = preg_replace(array(
    '/\\s*&&\\s*/',
    '/\\s*\\|\\|\\s*/',
    '/\\s*' . $valid_operators . '\\s*/',
  ), array(
    ';',
    ',',
    '$1',
  ), $filter);

  //Clean up operators
  if (strlen($filter) > 0) {
    return urlencode($filter);
  }
  else {
    return false;
  }
}