PHP在单个函数中删除空格和％20

Question

I wish to remove white space from a string. The string would have ben urlencoded() prior, so I also wish to remove %20 too. I can do this using two separate functions, but how do i do this with one function?

$string = str_replace("%20","",$string);
$string = str_replace(" ","",$string);

Answer 1

You could use preg_replace function.

preg_replace('~%20| ~', "", $string)