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Currently I store the time in my database like so: 2010-05-17 19:13:37
However, I need to compare two times, and I feel it would be easier to do if it were a unix timestamp such as 1274119041. (These two times are different)
So how could I convert the timestamp to unix timestamp? Is there a simple php function for it?
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Simply put, the Unix timestamp is a way to track time as a running total of seconds. This count starts at the Unix Epoch on January 1st, 1970 at UTC. Therefore, the Unix timestamp is merely the number of seconds between a particular date and the Unix Epoch.
To convert a Unix timestamp to a readable date format in PHP, use the native date() function. Pass the format you wish to use as the first argument and the timestamp as the second.
A combination of two PHP functions, the strtotime() and the date() functions, will produce an output like the one shown in the image above. The strtotime() function converts any given date string into a Unix timestamp. It only accepts the date string as a parameter.
The PHP strtotime() function is used to convert a human readable date string into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT).
You're looking for strtotime()
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