What does this mean?

[dc_jt]

Im just looking through some code trying to learn few things.

I came across this line:

[quote]$iStart = ($_GET['page']) ? (((int)$_GET['page']-1) * 5) : 0; [/quote]

I want to comment it so I know what it does, so far ive got:

//Set $iStart to page if the page is an integer....??

Thanks

[mansuang]

[quote author=dc_jt link=topic=116152.msg473082#msg473082 date=1164377033]
$iStart = ($_GET['page']) ? (((int)$_GET['page']-1) * 5) : 0;
[/quote]

It's the short tag of 'if' statement.
same as:
[code]

if($_GET['page']){
  $iStart = ((int)$_GET['page']-1)*5;
}else{
  $iStart = 0;
}

[/code]

[dc_jt]

Thanks  :)

[mansuang]

No problem  ;D