Something

<?php	$check1	= $postcode_info[substr ($form['lead_postcode'], 0, 2)];	$check2	= $postcode_info[substr ($form['lead_postcode'], 0, 1)];	if (!empty ($check1))	{		$form['lead_town']		= $check1['town'];		$form['lead_country']	= $check1['country'];	}	else if (!empty ($check2)	{		$form['lead_town']		= $check2['town'];		$form['lead_country']	= $check2['country'];	}	else	{		$error['lead_postcode']	= true;	}?>