strange problem with array_search

[pelegk2]

have this array :

$lstOpenRounds=Array 
( 
[0] => "006" 
[1] => "146" 
[2] => "1" 
[3] => "016" 
[4] => "157" 
[5] => "1" 
[6] => "018" 
[7] => "150" 
[8] => "1" 
[9] => "019" 
[10] => "158" 
[11] => "1" 
) 

when i do :
array_search ($row_orders_round['region_id'],$lstOpenRounds);
where $row_orders_round['region_id']=="018" i recive false!
why is that?
thnaks i nadvance
peleg

[laserlight]

Your code snippet wont work, because the array elements are not separated by commas.