新手常用PHP代码合集

 
#数字保留两位小数
$n = sprintf("%1.2f", $n);
  
//方法二
$n = number_format($n, 2, '.', '');

//UTF8转GBK
$v = iconv("UTF-8", "GBK", $v);

//GBK转UTF8
$str = iconv("GBK", "UTF-8", $str);