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Posted by Norman Peelman on 12/12/06 20:57
<Cleverbum@hotmail.com> wrote in message
news:1165846992.423101.215040@f1g2000cwa.googlegroups.com...
> I currently have a list of md5 strings and need to check if a new
> string is in that list hundreds of thousands of times. I've found that
> the fastest way to do this is to have all the md5's stored in an array
> and use the php function in_array().
> my only problem now is that populating this array with data from my sql
> server is rather slow, I currently use the lines:
>
> $resone = mysql_query("SELECT * FROM logs_full");
> mysql_close();
>
> while ($row = mysql_fetch_array($resone)) {
> $md5array[$md5count]= $row['textmd5'];
> $md5count++;
> }
>
> to do this. does anyone have a faster method?
>
I can only shorten it:
$resone = mysql_query("SELECT * FROM logs_full");
mysql_close();
while ($row = mysql_fetch_assoc($resone)) {
$md5array[]= $row['textmd5'];
}
How big (how many rows) is the table you are reading in? Are you storing new
md5's when they aren't found in the db?
Norm
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