while($x = each($assigned_to)) 
		{ 
		print "$x[0] => $x[1]<BR>"; 
		} 

##</code><code>##

$sql = <<END_SQL;

select 
   comp_name
from
   companies
where 
   company_id='10'

END_SQL

##</code><code>##

$sql = <<END_SQL;

select 
   comp_name
from
   companies
where 
   company_id='10'
and
   company_id='15'
and
   company_id='20'

END_SQL