mysql - PHP search SQL data base -

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i have mysql database on domain, made table called accountinformation. in table things accountid, accountname, firstname, secondname etc.

i made php program connects database , able fetch rows , display them, thats not want do. want fetch information row depending on id.

pseudo-example :

 $username string     $searchid = 1     $username = fetchrow 'accountid' = $searchid , 'accountname' of row

so have username of account id 1 in $username.

ok, should you're looking for... 

/* put value of $number id number want other info from*/ $number = "1"; $sql = mysql_query("select * `accountinformation` `id`='$number';");  $result = mysql_fetch_assoc($sql);  echo $result["accountname"];

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