如何在这段代码php中的单词之间加上“ - ”？

Question

Below code will echo like this

('nice apple'),(' nice yellow banana'),(' good berry  ')

what I need to do is that I need them to be like this

('nice-apple'),(' nice-yellow-banana'),(' good-berry  ')

The challenge is that I could not touch $str, and then I need to use '-' to connect words if there is space between them, If use str_replace space, it will be something like ----nice-apple-. how can I achieve something like this ('nice-apple'), appreciate.

<?php
$str="nice apple,
  nice yellow banana,    
  good berry 
 ";

echo $str = "('" . implode("'),('", explode(',', $str)) . "')";
?>

Answer 1

Try str_replace

$str="nice apple,
  nice yellow banana,    
  good berry 
 ";

$str = array_map(function($dr){ return preg_replace('/\s+/', '-', trim($dr));},explode(',',$str));
$str = implode(',',$str);

echo $str = "('" . implode("'),('", explode(',', $str)) . "')";

Output:

('nice-apple'),('nice-yellow-banana'),('good-berry')