/**
* @param string $cronMinutes
* @return bool
*/
protected function isMinutesPresentable($cronMinutes)
{
/**
* not presentable if cronMinutes do not match any of the following values:
* * (every minute),
* *slash{one or more digits} (e.g., *slash15 - every 15 minutes)
* string containing comma (e.g. 10,20,30 - specified minutes),
* {one or more digits}-{one or more digits} (e.g. 40-50 - from 40 to 50 min),
* {one or more digits} (e.g. 0 - at the beginnin of every hour)
*/
if ($cronMinutes !== '*' && !preg_match('#\\*/(\\d+)#', $cronMinutes) && strpos($cronMinutes, ',') === false && !preg_match('#(\\d+)-(\\d+)#', $cronMinutes) && !preg_match('#\\d+#', $cronMinutes)) {
return false;
}
//if minutes contain '/' and '-' signs, e.g. 3-55/15, it is not presentable
if (strpos($cronMinutes, '/') !== false && strpos($cronMinutes, '-') !== false) {
return false;
}
$everyxMinutesArray = Noovias_Cron_Data_CronExpression_Settings_Minute::getEachMinuteArray();
/**
* if cron minutes are of the form *slash{one or more digits} check whether the value of
* every x minutes is in the Array, which is also used by template rendering cron expression drop-downs
*/
if (strpos($cronMinutes, '*/') !== false) {
if (!in_array(intval(substr($cronMinutes, 2)), $everyxMinutesArray)) {
return false;
}
}
/**
* in case of from-to specification:
*
* '-' should separate exactly 2 elements
* entries should be numeric and between 0 and 59
*/
if (strpos($cronMinutes, '-') !== false) {
$minutes = explode('-', $cronMinutes);
if (count($minutes) !== 2) {
return false;
}
foreach ($minutes as $minute) {
if (!is_numeric($minute)) {
return false;
}
if (intval($minute) > 59 || intval($minute) < 0) {
return false;
}
}
}
if (strpos($cronMinutes, ',') !== false) {
$minutes = explode(',', $cronMinutes);
foreach ($minutes as $minute) {
if (!is_numeric($minute)) {
return false;
}
if (intval($minute) > 59 || intval($minute) < 0) {
return false;
}
}
}
if (preg_match('#\\d+#', $cronMinutes)) {
if (intval($cronMinutes) > 59 || intval($cronMinutes) < 0) {
return false;
}
}
return true;
}
/**
* @return array
*/
public function getEachMinuteArray()
{
return Noovias_Cron_Data_CronExpression_Settings_Minute::getEachMinuteArray();
}
