Online PHP editor | output for tPQVf

<?php /* * PHP 5.6 Variadics allow us to pack arguments into arrays from the function prototype! * Typically you would use a combination of func_get_args and array_slice to grab these * function arguments from the stack frame, but Variadics make the syntax much nicer. */ function bond($agent) { $bondingAgents = array_slice(func_get_args(), 1); $bonding = ""; foreach ($bondingAgents as $bond) { $bonding .= "$agent-$bond\n"; } return $bonding; } header('Content-type: text/plain'); echo bond("Hydrogen", "Oxide", "Peroxide", "Dioxide");