Detailed introduction to the substr function

The example of this article describes the usage of intercepting the length of string in PHP. Share it with everyone for your reference, the details are as follows: PHP provides many functions, among which the string interception function is no exception, and the function is also very powerful. Be sure to pay attention to the encoding format here. Improper handling may result in garbled characters. I hope this article will be helpful to everyone in PHP programming. More usage examples of intercepting string length in PHP

1. Usage examples of intercepting string length in PHP

Introduction: This article mainly introduces the usage of intercepting string length in PHP, and analyzes the relevant operating skills and precautions for the mb_substr function to intercept Chinese strings in the form of examples. Friends in need can refer to

2. Usage analysis of substr function string interception in PHP

Introduction:: This article mainly introduces the analysis of the usage of substr function string interception in PHP. Students who are interested in PHP tutorials can refer to it.

3. php removes the last character of the string and appends the usage of substr and mb_substr

Introduction: substr: PHP removes the last character of the string. Usage of substr and mb_substr: Pass string: Original string: 1,2,3,4,5,6, this string :1,2,3,4,5,6, remove the last character ","remove the last character ",", the final result is 1,2,3,4,5,6, $str = "1,2,3,4,5,6,"; $newstr = substr($str,0,strlen($str)-1); echo $newstr; Chinese character string: Original string: Wuzhou City, remove the last Chinese character "city", the final result is Wuzhou

4. php md5 16 digits and 32 Bit implementation code

The 16-bit and 32-bit implementation code of MD5 encryption in PHP. Many people were confused about this when searching online, and later found a solution. If the method is correct, just record it

5. Solution to the problem of intercepting garbled Chinese characters in PHP Application of mb_substr function

Introduction: Solution to the problem of PHP intercepting garbled Chinese characters Application of mb_substr function: First 1. Make sure you have the file php_mbstring.dll under Windows/system32. If not, copy it from your Php installation directory extensions into Windows/system32. 2. Find php.ini in the windows directory, open it for editing, search for mbstring.dll, find ;extension=php_mbstring.dll and remove the ; sign in front, so that the mb_substr function can take effect mb_str

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