Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
1.8k views
in Technique[技术] by (71.8m points)

can php function parameters be passed in different order as defined in declaration

Suppose I have a function/method F() that takes 3 parameters $A, $B and $C defined as this.

function F($A,$B,$C){
  ...
}

Suppose I don't want to follow the order to pass the parameters, instead can I make a call like this?

F($C=3,$A=1,$B=1);

instead of

F(1,2,3)
See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

Absolutely not.

One way you'd be able to pass in unordered arguments is to take in an associative array:

function F($params) {
   if(!is_array($params)) return false;
   //do something with $params['A'], etc...
}

You could then invoke it like this:

F(array('C' => 3, 'A' => 1, 'B' => 1));

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...