


Problem Solving PHP chr ord Chinese interception garbled problem solution
Copy the code The code is as follows:
$lenth = 19;
$str = "How to display only the first few words of a long news title, and then use... Replace? ";
echo strlen($str)?>
Copy the code The code is as follows:
/*
@ Another method, use the ord() function:
@ Applicable to gb2312 encoding:
*/
$str = "How Display only the first few words of a long news title and replace it with...? ";
function gb2312_substr($str, $limit) {
$restr ='';
for($i=0 ;$i$restr .= ord($str[$i])>127 ? $str[$i].$str[++$i] : $str[ $i];
}
return $restr;
}
/*
@ The following only applies to utf-8 encoding;
*/
function utf8_substr($str, $limit) {
$restr = '';
for ($i=0;$i$restr .= ord($str[$i])>127 ? $str[$i].$str[++$i ].$str[++$i] : $str[$i];
}
return $restr;
}
//Explain the first one above: chr(0) is not null, null means nothing, And the value of chr(0) is 0. Expressed as hexadecimal, it is 0x00, and expressed as binary, it is 00000000. Although chr(0) will not display anything, it is a character. Although chr(0) does not display anything, it is a character. When a Chinese character is truncated, according to the encoding rules, it always has to pull in other characters behind it and interpret them as Chinese characters. This is the reason why garbled characters appear.
?>
The above introduces the problem solving method of php chr ord Chinese interception garbled problem, including the content of problem solving. I hope it will be helpful to friends who are interested in PHP tutorials.

The article discusses PHP Data Objects (PDO), an extension for database access in PHP. It highlights PDO's role in enhancing security through prepared statements and its benefits over MySQLi, including database abstraction and better error handling.

Memcache and Memcached are PHP caching systems that speed up web apps by reducing database load. A single instance can be shared among projects with careful key management.

Article discusses steps to create and manage MySQL databases using PHP, focusing on connection, creation, common errors, and security measures.

The article discusses how JavaScript and PHP interact indirectly through HTTP requests due to their different environments. It covers methods for sending data from JavaScript to PHP and highlights security considerations like data validation and prot

The article discusses executing PHP scripts from the command line, including steps, common options, troubleshooting errors, and security considerations.

PEAR is a PHP framework for reusable components, enhancing development with package management, coding standards, and community support.

PHP is a versatile scripting language used mainly for web development, creating dynamic pages, and can also be utilized for command-line scripting, desktop apps, and API development.

The article discusses PHP's evolution from "Personal Home Page Tools" in 1995 to "PHP: Hypertext Preprocessor" in 1998, reflecting its expanded use beyond personal websites.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

WebStorm Mac version
Useful JavaScript development tools

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

SublimeText3 Chinese version
Chinese version, very easy to use

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
