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Time is fairly precise. Are you sure you have a matching row where your time column has a value that exactly matches what is in your $time variable?

 

Generally when trying to match time, you use <, <=, >, or >= comparisons rather than just an = comparison.

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mysql_query() returns a result resource. You must fetch the data from the result resource before you can use it. There is a family of mysql_fetch_xxxx() functions that will let you do that.

 

I recommend reading a basic mysql tutorial or read the examples in the php documentation to learn how to execute a query and fetch the data from the query.

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