php定义参数数量可变的函数用法实例

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<?php

function addanything (){

$total = 0;

$args = func_get_args ();

for ($i = 0; $i < count ($args); $i++){

if (is_int ($args[$i])){

$total += $args[$i];

}

}

return $total;

}

echo addanything (1,5,7,8,11) . "<br />";

?>