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PHP Programing language

How Can Creating Functions That Take a Variable Number of Arguments
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<html>
<head>
<title>Creating Functions That Take a Variable
Number of Arguments</title>
</head>
<body>
<?php
  function addanything ()
{
    $t = 0;
    $a = func_get_args ();
    for ($i = 0; $i < count ($a); $i++)
{
      if (is_int ($a[$i])){
        $t += $a[$i];
      }
    }
    return $t;
  }
  echo addanything (100,150,120,130,140) . "<br />"; 
?>
</body>
</html>

Output

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