/**
* @param string $cronHours
* @return bool
*/
protected function isHoursPresentable($cronHours)
{
/**
* not presentable if cronHours do not match any of the following values:
* * (every hour),
* *slash{one or more digits} (e.g., *slash8 - every 8 hours)
* string containing comma (e.g. 0,8,16 - specified hours),
* {one or more digits}-{one or more digits} (e.g. 16-19 - from 16 to 19 h),
* {one or more digits} (e.g. 0 - midnight)
*/
if ($cronHours !== '*' && !preg_match('#\\*/(\\d+)#', $cronHours) && strpos($cronHours, ',') === false && !preg_match('#(\\d+)-(\\d+)#', $cronHours) && !preg_match('#\\d+#', $cronHours)) {
return false;
}
//if hours contain '/' and '-' signs, e.g. 3-11/2, it is not presentable
if (strpos($cronHours, '/') !== false && strpos($cronHours, '-') !== false) {
return false;
}
$everyxHoursArray = Noovias_Cron_Data_CronExpression_Settings_Hour::getEachHourArray();
/**
* if cron hours are of the form *slash{one or more digits} check whether the value of
* every x hours is in the Array, which is also used by template rendering cron expression drop-downs
*/
if (strpos($cronHours, '*/') !== false) {
if (!in_array(intval(substr($cronHours, 2)), $everyxHoursArray)) {
return false;
}
}
/**
* in case of from-to specification:
*
* '-' should separate exactly 2 elements
* entries should be numeric and between 0 and 23
*/
if (strpos($cronHours, '-') !== false) {
$hours = explode('-', $cronHours);
if (count($hours) !== 2) {
return false;
}
foreach ($hours as $hour) {
if (!is_numeric($hour)) {
return false;
}
if (intval($hour) > 23 || intval($hour) < 0) {
return false;
}
}
}
if (strpos($cronHours, ',') !== false) {
$hours = explode(',', $cronHours);
foreach ($hours as $hour) {
if (!is_numeric($hour)) {
return false;
}
if (intval($hour) > 23 || intval($hour) < 0) {
return false;
}
}
}
if (preg_match('#\\d+#', $cronHours)) {
if (intval($cronHours) > 23 || intval($cronHours) < 0) {
return false;
}
}
return true;
}
public function getEachHourArray()
{
return Noovias_Cron_Data_CronExpression_Settings_Hour::getEachHourArray();
}
