tomk/cronparser

Parse CRON format and check for time matches, or get next/previous match

CronParser

PHP class to parse CRON format and check for time matches, or determine next and previous matching times.

Installation

Add this package to your composer.json required section

"required": {
  "tomk/cronparser":"*"
}

Usage

The following public methods are available.

// Returns true if pattern is valid format, false otherwise
CronParser::isValid(string $pattern);

// Returns true if the time matches the pattern supplied.
CronParser::isDue(string $pattern [, $time = time()]);

// Returns a DateTime object of the next matching time from $time.
// If $now is true, will accept $time as a match. Otherwise finds the next match in the future.
CronParser::nextRun(string $pattern [, $time = time() [, $now = false]]);

// Returns a DateTime object of the previous matching time from $time.
// If $now is true, will accept $time as a match. Otherwise finds the next match in the past.
CronParser::prevRun(string $pattern [, $time = time() [, $now = false]]);

CRON expression

Please see CRON format on wikipedia for reference: [http://en.wikipedia.org/wiki/Cron#CRON_expression]