help me identify code parts

[phpwreker]

hi am new to php and mysql .. i was looking at a website to work with few examples. ...


Creating a simple PHP forum tutorial
http://phpeasystep.com/workshopview.php?id=12

i have arranged everything in a nice manner so far ...

can someone explain the parts i have marked in red ?


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http://i50.tinypic.com/1znspz8.jpg

[MeroD]

He's just using multiple SQL queries instead of joins to get the data from the tables.

Here's a somewhat better tutorial: http://net.tutsplus.com/tutorials/php/h ... m-scratch/