How to replace Chinese and English symbols in php?

php Chinese and English symbol replacement method: 1. Simple replacement, the code is [$val1=str_replace(',',',',$val1);]; 2. All character replacement, that is, regular replacement , the code is [c[i]=(char)(c[i]-65248);].

How to replace Chinese and English symbols in php:

1. Summary of methods

Method 1: Simple replacement (php code)

$val1=str_replace('，',',',$val1);
$val1=str_replace('（','(',$val1);
$val1=str_replace('）',')',$val1);

Method 2: Replace all characters (regular replacement)

for (int i = 0; i < c.Length; i++)
{
if (c[i]==12288)
{
c[i]= (char)32; continue;
}
if (c[i]>65280 && c[i]<65375)
c[i]=(char)(c[i]-65248);
}

2. Replace Chinese punctuation marks Into English punctuation marks

Simple replacement (php code)

$val1=str_replace('，',',',$val1);
$val1=str_replace('（','(',$val1);
$val1=str_replace('）',')',$val1);

/// 转全角的函数(SBC case) ///
///任意字符串
/// 全角字符串 ///
///全角空格为12288,半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248 ///
  
public string ToSBC(string input)
{ //半角转全角：
    char[] c=input.ToCharArray();
      for (int i = 0; i < c.Length; i++)
    {
       if (c[i]==32)
    {
    c[i]=(char)12288; continue;
  }
   if (c[i]<127) c[i]=(char)(c[i]+65248);
   }
return new string(c);
}
  
/// /// 转半角的函数(DBC case) ///
///任意字符串
/// 半角字符串 ///
///全角空格为12288，半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248 ///
public string ToDBC(string input)
{
char[] c=input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i]==12288)
{
c[i]= (char)32; continue;
}
if (c[i]>65280 && c[i]<65375)
c[i]=(char)(c[i]-65248);
}
return new string(c);
}

Related learning recommendations: PHP programming from entry to proficiency

The above is the detailed content of How to replace Chinese and English symbols in php?. For more information, please follow other related articles on the PHP Chinese website!