lazy form

lazy.php

<?php 
		$form_info = array(
			array(
				'credit_card_type' => array(
					'Credit Card Type',
					array(
						'visa' => 'VISA',
						'mc' => 'Master Card',
						'amex' => 'American Express',
						'discover' => 'Discover'
					)
				)
			),
			array(
				'account' => 'Credit Card Number',
				'exp' => 'Expiration Date',
				'cvv2' => 'CVV',
				'email' => 'Email',
				'business' => 'Business'
			),
			array(
				'salutation' => array(
					'Salutation',
					array(
						'' => '',
						'mr' => 'Mr.',
						'mrs' => 'Mrs.',
						'ms' => 'Ms'
					)
				)
			),
			array(
				'first_name' => 'First Name',
				'last_name' => 'Last Name'
			),
			array(
				'suffix' => array(
					'Suffix',
					array(
						'' => '',
						'Jr.' => 'Jr.',
						'Sr.' => 'Sr.',
						'II.' => 'II',
						'III' => 'III',
						'IIV' => 'IIV',
						'V' => 'V'
					)
				)
			),
			array(
				'street' => 'Billing Street Address',
				'street2' => 'Billing Street Address 2',
				'city' => 'Billing City'
			),
			array(
				'state' => array(
					'Billing State',
					$this->config->item('states')
				),
				'countrycode' => array(
					'Billing Country Code',
					$this->config->item('countries')
				)
			),
			array(
				'zip' => 'Billing Zip',
				'phonenum' => 'Billing Phone Number'
			)
		);
		
		echo form_open('cod/form_page');
		
		$i = 1;
		foreach ($form_info as $group) :
			if ($i == 1 || $i == 3 || $i == 5 || $i == 7)
			{
				foreach ($group as $key => $value)
				{
					echo form_label($value[0], $key);
					echo form_error($key, '<div class="error-message">', '</div>');
					echo form_dropdown($key, $value[1], set_value($key));
				}
			}
			
			if ($i == 2 || $i == 4 || $i == 6 || $i == 8)
			{
				foreach ($group as $key => $value)
				{
						echo form_label($value, $key);  
						$form_array = array(
							'name' => $key,
							'id' => $value,
							'value' => set_value($value)
						);
						if (form_error($key)) $form_array['class'] = 'error';
						echo form_error($key, '<div class="error-message">', '</div>');
						echo form_input($form_array); 
				}
			}
		$i++;
		endforeach;

		echo form_submit('Submit', 'submit');
		echo form_close();
	?>