我有一个字符串 php:
$text = "search";
$text = " ".$text." "; // OR $text = " ".$text." ";
当我回显 $text 是结果错误时,如何在字符串上添加退格键
我有一个字符串 php:
$text = "search";
$text = " ".$text." "; // OR $text = " ".$text." ";
当我回显 $text 是结果错误时,如何在字符串上添加退格键