How to save dates older than timestamp in PHP
问题 This should be an easy one but I just can't find the answer. I have an input field in which the user enters his birthay date (DD.MM.YYYY) and with strtotime() I insert it into integer field in MySQL because it's faster that datetime (and I have a lot of records). But obviously there will be users older than 1.1.1970 so the timestamp would be zero. On the webpage I want to show how old is the user. So if he is born in 1960 he would be 51 years old. I know that I could change MySQL field to