/**
* @param string $cronMonth
* @return bool
*/
protected function isMonthPresentable($cronMonth)
{
/**
* not presentable if cronMonth does not match any of the following values:
* * (every month),
* string containing comma (e.g. JAN,MAR,MAY - specified month)
* {one or more alphanumeric signs}-{one or more a.n. signs} (e.g. MAR-MAY - from March to May)
* {one or more alphanumeric signs} (e.g. AUG - only one month specified)
*/
if ($cronMonth !== '*' && strpos($cronMonth, ',') === false && !preg_match('#(\\w+)-(\\w+)#', $cronMonth) && !preg_match('#\\w+#', $cronMonth)) {
return false;
}
/**
* expression like e.g. every 3 month not supported
*/
if (strpos($cronMonth, '/') !== false) {
return false;
}
$monthArray = Noovias_Cron_Data_CronExpression_Settings_Month::getCronMonthArray();
/**
* in case of from-to specification
* the month values should be contained in the Array, which is also used by the template
* rendering cron expression drop-downs
*/
if (strpos($cronMonth, '-')) {
preg_match('#(\\w+)-(\\w+)#', $cronMonth, $pockets);
if (!in_array($pockets[1], $monthArray) || !in_array($pockets[2], $monthArray)) {
return false;
}
}
/**
* if months are specified (string containing comma),
* every month value should be contained in the month array
*/
if (strpos($cronMonth, ',') !== false) {
$cronMonthArray = explode(',', $cronMonth);
foreach ($cronMonthArray as $item) {
if (!in_array($item, $monthArray)) {
return false;
}
}
}
/**
* in case when only one month is specified, it should be contained in
* the month array
*/
if (preg_match('#\\w+#', $cronMonth, $pockets)) {
if (!in_array($pockets[0], $monthArray)) {
return false;
}
}
return true;
}
/**
* @return array
*/
public function getCronMonthArray()
{
return Noovias_Cron_Data_CronExpression_Settings_Month::getCronMonthArray();
}
