How to convert Chinese comma to English in php

php method to convert Chinese commas to English: 1. Create a PHP sample file; 2. Convert Chinese commas through "$val1=str_replace(',',',',$val1);" English is enough.

The operating environment of this article: Windows 7 system, PHP version 7.1, DELL G3 computer

How to convert Chinese commas to English in php?

php replaces all Chinese symbols with English symbols

1. Summary

One sentence summary: You can use simple replacement and regular replacement

Simple replacement str_replace()

The difference between regular replacements is 65248

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);
}

1. What is the corresponding relationship between half-width symbols and full-width symbols?

The difference is 65248

///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 ///

2. Replace Chinese punctuation marks with English punctuation marks

Simple replacement (php code)

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

Reference: Replace Chinese punctuation marks with English punctuation marks

/// 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);
}

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