Remove duplicates from a PHP string after splitting it

Usage of the following three functions ob_get_contents(); ob_end_clean(); ob_start(); You can use these functions to buffer local files and execute local script code. Use ob_start() to save the output code into the buffer, and the page will not be displayed; then use ob_get_contents to get the data in the buffer. o…

The preg_match_all function is used to perform a global regular expression match. preg_match_all() Syntax int preg_match_all ( string $pattern , string $subject [, array &$matches [, int $flags = PREG…

Ternary operator condition ? Result 1 : Result 2 Explanation: The position in front of the question mark is the condition for judgment. If the condition is met, the result is 1, and if it is not met, the result is 2. This article compares and explains the ternary operator and if...else... in detail. I hope it will be helpful to everyone. Today when I was revising my paper online, I encountered a statement that I couldn’t understand: $if_summary = $row['IF_SUMMARY']=…

Get the data type 1. If you want to check the value and type of an expression, use var_dump(). 2. If you just want to get an easy-to-read type expression for debugging, use gettype(). 3. To check a certain type, do not use gettype(), but use the is_type() function. Converting Strings to Numbers When a string is evaluated as a number, the result is determined according to the following rules...

The `str strstr()` function searches for the first occurrence of one string within another string. It returns the remaining part of the string (starting from the matching position); if the target string is not found, it returns `false`. The code is as follows: `<?php $email = 'user@example.com'; $domain = strstr($email,...`

Below are several commonly used methods in PHP for scraping content from web pages: 1. `file_get_contents` – PHP code: The code is as follows: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > &gt

An eyouCMS responsive website template designed for the laser cutting machine equipment industry. Its modern, precision-oriented design is ideal for showcasing laser cutting equipment products, technical specifications, industrial applications, and project cases. This template helps laser equipment manufacturers present their products online and attract manufacturing clients. Template Display | Installation Instructions | Website Backend: /login.php | Username: admin | Password: admin | Related Articles: Common Installation Questions for YououCMS...

I imitated it once before and then again. The template for the second imitation used the new version of Empire CMS as its core. The whole site design is high-end and simple, and the SEO is reasonable! Suitable for personal blogs, information, articles, adaptive mobile phones and other tablet devices! All modifications are managed in the background! Easy and fast! Preview image decompression password 🔒 Hidden content: View after commenting If there is no password prompt on the download page, the default password is: www.4s5.cn

A blue mechanical equipment and water pump industry PbootCMS website template, compatible with both PC and WAP devices. The professional industrial design is ideal for showcasing water pump products, technical specifications, and industrial applications. It helps pump manufacturing enterprises demonstrate their product capabilities online and attract industrial customers. Template Display | Installation Instructions | Website Backend: /admin.php | Username: admin | Password: admin | Extraction Password: www.4s5.cn...

Within the Empire framework, I have a new idea: to add a custom table that stores the keywords for all articles and aggregates the corresponding article IDs – essentially creating a search aggregation feature. The advantage of this approach is that it allows you to retrieve articles containing specific keywords directly within the article itself, effectively replacing Empire's built-in related search aggregation functionality! This is because Empire's native related search aggregation feature is too slow – it relies on SQL fuzzy matching and handles datasets of over 100,000 records; if your server performance is suboptimal...

An adaptive mobile-friendly website template for mechanical and laser equipment, built with PbootCMS. The professional, tech-driven design is ideal for showcasing industrial equipment such as laser cutting machines and welding machines. It enables mechanical equipment manufacturers to present their products online and attract manufacturing industry clients. Template Overview | Installation Instructions | Website Backend: /admin.php | Username: admin | Password: admin | Extraction Password: www.4s5.cn | Related Articles...

This EyouCMS responsive template is ideal for the fan and industrial equipment industry, featuring a professional industrial design style that effectively showcases fan products, industrial equipment, technical specifications, and engineering applications. It enables fan manufacturing enterprises to showcase their products online and attract industrial customers. Template Display | Installation Instructions | Website Backend: /login.php | Username: admin | Password: admin | Related Articles: Summary of Common Installation Issues for EyouCMS | EyouCMS...