I have to place the next code into PHP, but I am unsure from the correct syntax.

echo SPEC($GLOBALS['_LANG']['Pay Now with PayPal'])

It must go instead of the 'Pay With PayPal' that already is available there.

'7' => array('name' => 'Display Name', 'type' => 'text', 'fieldname' => 'gateway_paypal_name', 'default' => 'Pay Now with PayPal'),
'7' => array('name' => 'Display Name', 'type' => 'text', 'fieldname' => 'gateway_paypal_name', 'default' => SPEC($GLOBALS['_LANG']['Pay Now with PayPal'])),