PHP format street address

php_format_address

/**
 * Format a street address
 *
 * @param array $address Address.
 *
 * @return null|string
 */
function format_address( $address ) {
	$formatted_address = null;

	if ( count( $address ) > 0 ) {
		$formatted_address .= '<address>';
		if ( array_key_exists( 'name', $address ) && $address['name'] ) { $formatted_address .= '<span class="loc-name">' . $address['name'] . '</span><br>'; }
		if ( array_key_exists( 'address', $address ) && $address['address'] ) { $formatted_address .= $address['address'] . '<br>'; }
		if ( array_key_exists( 'address2', $address ) && $address['address2'] ) { $formatted_address .= $address['address2'] . '<br>'; }
		if ( array_key_exists( 'city', $address ) && $address['city'] ) { $formatted_address .= $address['city']; }
		if ( array_key_exists( 'state', $address ) && $address['state'] ) { $formatted_address .= ', ' . $address['state'] . ' '; }
		if ( array_key_exists( 'zip', $address )  && $address['zip'] ) { $formatted_address .= $address['zip'] . '<br>'; }
		if ( array_key_exists( 'country', $address ) && $address['country'] ) { $formatted_address .= $address['country'] . '<br>'; }
		if ( array_key_exists( 'phone', $address ) && $address['phone'] ) { $formatted_address .= $address['phone'] . '<br>'; }
		if ( array_key_exists( 'email', $address ) && $address['email'] ) { $formatted_address .= '<a href="mailto:' . $address['email'] . '">' . $address['email'] .'</a><br>'; }
		$formatted_address .= '</address>';
	}

	return $formatted_address;
}