/**
* Check to see if this impression contains the valid city.
*
* @param string $limitation The city (or comma list of cities) limitation
* @param string $op The operator (either '==' or '!=')
* @param array $aParams An array of additional parameters to be checked
* @return boolean Whether this impression's city passes this limitation's test.
*/
function MAX_checkGeo_City($limitation, $op, $aParams = array())
{
if (empty($aParams)) {
$aParams = $GLOBALS['_MAX']['CLIENT_GEO'];
}
if ($aParams && $aParams['city'] && $aParams['country_code']) {
$aLimitation = array(substr($limitation, 0, strpos($limitation, '|')), substr($limitation, strpos($limitation, '|') + 1));
$sCities = $aLimitation[1];
if (!empty($aLimitation[0])) {
return MAX_limitationsMatchStringValue($aParams['country_code'], $aLimitation[0], '==') && MAX_limitationsMatchArrayValue($aParams['city'], $sCities, $op);
} else {
return MAX_limitationsMatchArrayValue($aParams['city'], $sCities, $op);
}
} else {
return false;
// If client has no data about city, do not show the ad
}
}
/**
* Check to see if this impression contains the valid region.
*
* @param string $limitation The region (or comma list of regions) limitation
* @param string $op The operator (either '==' or '!=')
* @param array $aParams An array of additional parameters to be checked
* @return boolean Whether this impression's region passes this limitation's test.
*/
function MAX_checkGeo_Region($limitation, $op, $aParams = array())
{
if (empty($aParams)) {
$aParams = $GLOBALS['_MAX']['CLIENT_GEO'];
}
if ($op != '=~' && $op != '!~') {
// Provide backwards compatibility
$op = '=~';
}
$aLimitation = explode('|', $limitation);
$sCountry = $aLimitation[0];
$sRegions = $aLimitation[1];
if ($aParams && $aParams['region'] && $aParams['country_code']) {
return MAX_limitationsMatchStringValue($aParams['country_code'], $sCountry, '==') && MAX_limitationsMatchArrayValue($aParams['region'], $sRegions, $op);
} else {
return false;
// Do not show the ad if user has no data about region and country.
}
}
/**
* Check to see if this impression contains the valid day.
*
* @param string $limitation The day limitation
* @param string $op The operator (either '==' or '!=')
* @param array $aParams An array of additional parameters to be checked
* @return boolean Whether this impression's day passes this limitation's test.
*/
function MAX_checkTime_Day($limitation, $op, $aParams = array())
{
// Get timezone, if any
$offset = strpos($limitation, '@');
if ($offset !== false) {
$tz = substr($limitation, $offset + 1);
$limitation = substr($limitation, 0, $offset);
} else {
$tz = false;
}
if ($limitation == '') {
return true;
}
$timestamp = !empty($aParams['timestamp']) ? $aParams['timestamp'] : time();
if ($tz && $tz != 'UTC') {
OA_setTimeZone($tz);
$day = date('w', $timestamp);
OA_setTimeZoneUTC();
} else {
$day = gmdate('w', $timestamp);
}
return MAX_limitationsMatchArrayValue($day, $limitation, $op, $aParams);
}
/**
* An utility function which checks if the value in $aParams[$paramName]
* matches the array limitations specified in $limitation and $op.
* If $aParams is empty then $GLOBALS['_MAX'][$namespace] is used instead.
* See {@link MAX_limitationsMatchArrayValue} for more details on
* how matching is done.
*
* @param string $paramName
* @param string $limitation
* @param string $op
* @param string $aParams
* @param string $namespace
* @return boolean True if the value matches the limitations, false otherwise.
*/
function MAX_limitationsMatchArray($paramName, $limitation, $op, $aParams = array(), $namespace = 'CLIENT')
{
if (empty($aParams)) {
$aParams = $GLOBALS['_MAX'][$namespace];
}
if ($limitation == '' || empty($aParams)) {
return true;
}
return MAX_limitationsMatchArrayValue($aParams[$paramName], $limitation, $op);
}