在PHP中测试本月的第一个工作日

I'm working on a scheduling function to handle repeating events in an application. One option is 'Every First Weekday' (of the month). I have a function that is working, but I'm afraid I may not be using the most efficient method and was hoping for some input. I'm using PHP 5.5. This is the code I have:I'm working on a scheduling function to handle