可以PHP函数有关键字参数？ （如Python）

Question

可能重复：
named PHP optional arguments?

我想这样做：

function they_said($alice = "", $bob = "", $charlie = "") { 
    echo "Alice said '$alice'"; 
    echo "Bob said '$bob'"; 
    echo "Charlie said '$charlie'"; 
} 

they_said($charlie => "Where are the cookies!?"); 

这样我可以忽略经过前2个参数，只是通过我想要的那个。

这是python中的example。

Answer 1

没有，但你可以传递一个数组：

function they_said($persons) 
{ 
    foreach ($persons as $person => $text) 
    { 
    echo "$person said '$text'"; 
    } 
} 
they_said(array('charlie' => 'Where are the cookies!?'));