CREATE TABLE $phpVariable_for_tableName <--- help please!

[AJ Seelund <aseelund@xxxxxxxxxx>]

i cant get this to work right, im building a comments for my blog. im 
pretty knowledgeable about php code and i am willing to listen, even 
though im still learning.  my code in the php doc is as follows:

1 //select the db
2 $db = mysql_select_db($mydb) or die("db connect error");
3 $newTable = $entryNum + "_comms";
4
5 //if posting a comment do this:
6 if ($comms==true) {
7
8 //define a table name based on main Post number
9
10
11 //create a table
12 $sql = 'CREATE TABLE $newTable ( `daUser` VARCHAR( 255 ) NOT NULL ,'
13        . ' `entryNumb` INT NOT NULL ,'
14        . ' `priv` VARCHAR( 1 ) NOT NULL ,'
15        . ' `comm` BLOB NOT NULL ,'
16        . ' PRIMARY KEY ( `entryNumb` ) )';
17		
18				
19 $resulter = mysql_query($sql) or die("There has been an error 
creating table: $newTable");
20
21

---end

on line 12 is where ive narrowed the error to.  i know that the table 
name is what is supposed to be there but im trying to create this based 
on a post entry number and then adding "_comms" to the name..

so the comments table for post number 1 would be named: 1_comms
im also having an issue with line 3, creating that name

please help me :)

thanks
-AJ seelund

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