Search Results for "cron expression parser"

Expression parser of strings like sin(pi/4) is written in c++, javascript, java and php. It is also possible to create functions x0+2*sin(pi*x1) for further calculations.

This library provides a fast implementation of a regular expression-based router. Firstly, while writing a PHP extension is obviously a lot of fun, it is unlikely to be particularly beneficial in terms of performance unless the code involves computations in tight loops. Porting “normal” components like routers to C is usually a big waste of time. You can get much better results by doing a few small improvements on the algorithmic side. For the same reason I’m not a big fan of things like...

Calculate the next or previous run date and determine if a CRON expression is due. The PHP cron expression parser can parse a CRON expression, determine if it is due to run, calculate the next run date of the expression, and calculate the previous run date of the expression. You can calculate dates far into the future or past by skipping n number of matching dates. The parser can handle increments of ranges (e.g. */12, 2-59/3), intervals (e.g. 0-9), lists (e.g. 1,2,3), W to find the nearest weekday for a given day of the month, L to find the last day of the month, L to find the last given weekday of a month, and hash (#) to find the nth weekday of a given month. ...