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PHP Variable Arguments


If we need to pass n number of arguments in a PHP function,  3 ellipses or dots are used inside the parenthesis and before the argument. In this way, PHP specifies a variable length argument function.

Example : Code for adding n numbers in PHP.

<!DOCTYPE html>
<html>
<body>
 
 <?php  
function sum(...$num) {  
$sum = 0;  
foreach ($num as $x) {  
$sum += $x;  
}  
return $sum;  
}   
echo sum(12, 2, 38, 4);  
?>  
 
</body>
</html>

Output

56
Posted in PHP   
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