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PHP Functions

Variable Number of Arguments

fatal error: Only the last parameter can be variadic

<?php
// this causes a fatal error
function myFamily(...$firstname, $lastname) {
  $txt = "";
  $len = count($firstname);
  for($i = 0; $i < $len; $i++) {
    $txt = $txt."Hi, $firstname[$i] $lastname.<br>";
  }
  return $txt;
}

$a = myFamily("Doe", "Jane", "John", "Joey");
echo $a;
?>

You can only have one argument with variable length (variadic argument), and it has to be the last argument.