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php custom interception of Chinese strings-utf8 version UTF-8 encoding range (utf-8 uses 1-6 bytes to encode characters, actually only uses 1-4 bytes): 1 byte: 00——7F
2 bytes: C080——DFBF
3 characters: E08080——EFBFBF
4 characters: F0808080——F7BFBFF$str = 'abcdI am Chinese';
echo strlen($str), '
';
echo mstrlen($str), '
';
echo msubstr($str, 3, 9);
/*** Statistics of string length under utf8
*/
function mstrlen($s
1. How to custom intercept Chinese strings in php
Introduction: This article introduces in detail how to custom intercept Chinese strings in php and helps beginners learn by showing the implementation method of the code. ##2. Detailed explanation of THINKPHP interception Chinese string function example code
Introduction: In the project During development, we often encounter string interception problems in English and Chinese. For example, if the news list page needs a brief introduction to the news content, string interception is required.
##3 . php custom interception of Chinese strings-utf8 version
4. (Practical) Function code for calculating the length of Chinese strings and intercepting Chinese strings in PHP
Introduction: In PHP, we all know that there are special mb_substr and mb_strlen functions that can intercept and extract Chinese Calculate the length, but since these functions are not core functions of PHP, they may not be enabled. Of course, if you are using your own server, you only need to enable it in php.ini. , and if the server does not enable this function, then we need to write some functions suitable for us.
5. php intercepts Chinese strings. Length of mb_substr(), mb_strcut() function
##Introduction: The substr() function can be used to split Text, but if the text to be divided includes Chinese characters, you will often encounter problems. In this case, you can use the function mb_substr()/mb_strcut. The usage of mb_substr()/mb_strcut is similar to substr(), but at the end of mb_substr()/mb_strcut To add multiple
6.PHP implements interception of Chinese strings without appearing
##Introduction: This article mainly introduces the solution of PHP to intercept Chinese strings without ? sign, involving PHP string traversal and encoding conversion and other related operation skills. Friends in need can refer to the following7.
Example of usage of string length interception in PHPIntroduction: This article mainly introduces the usage of string length interception 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 the following
8.
php mb_substr() function interception Chinese string application example
Introduction: The substr() function is used to intercept strings, but there will be problems with Chinese characters, and mb_substr() and mb_strcut The function can be used, and the following will introduce its specific usage
9. php solves the problem of substr() intercepting garbled Chinese characters
Introduction: This article mainly introduces the PHP substr() function. Here is a code example to illustrate the problem of garbled characters when intercepting Chinese strings. Friends in need You can refer to the following
10. php mb_substr() function interception Chinese string application example
Introduction: The substr() function is used to intercept strings, but there will be problems with Chinese characters. The two functions mb_substr() and mb_strcut can be used. The following is an introduction to their specific usage.
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thinkphp interception string problem
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