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- Resolve the PHP parameter link to cause the page to jump to the top scroll position keeping tutorial
- When clicking on a link with PHP parameters (especially when the same page is refreshed), the page often jumps to the top, affecting the user experience. This article will introduce in detail an effective way to save and restore scrolling positions before and after page reload through JavaScript and LocalStorage, ensuring that users can return to the previously browsed location after navigation and improving the usability of the website.
- PHP Tutorial . Backend Development 593 2025-08-24 14:45:01
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- Avoid splitting strings in double quotes: PHP Tutorial
- This article aims to provide a way to segment strings in PHP that avoids splitting inside double quotes (or single quotes). With a custom parser, we are able to accurately segment the string into the desired fragments while preserving the complete content inside the quotes. This article will provide detailed code examples and explanations to help you understand and apply this technology.
- PHP Tutorial . Backend Development 228 2025-08-24 14:39:01
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- PHP: Access data in nested stdClass objects
- This document is intended to guide developers on how to access nested stdClass objects in PHP, especially those decoded from JSON. We will explore how to safely access nested properties, and how to handle situations where properties do not exist, and provide code examples to help understand.
- PHP Tutorial . Backend Development 665 2025-08-24 14:36:01
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- Front-end dynamic data to back-end processing: AJAX practices of JavaScript and PHP
- This article aims to solve the problem of how to effectively submit data to the backend PHP for processing after JavaScript dynamically obtains data (such as client IP address). We will explore professional methods to achieve refresh-free data interaction between front-end and back-end through AJAX, and provide an alternative to PHP to directly obtain client IP, aiming to improve the efficiency and security of data submission.
- PHP Tutorial . Backend Development 382 2025-08-24 14:27:00
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- Using JavaScript and PHP to implement client IP acquisition and data submission: AJAX Practice Guide
- This article introduces in detail how to combine JavaScript (especially jQuery AJAX) and PHP technology to achieve the acquisition and submission of client IP addresses to the server. The tutorial covers the strategies for obtaining IP on both the client and the server side, and focuses on explaining how to use AJAX for asynchronous data transmission to ensure smooth and efficient data interaction at the front and back end.
- PHP Tutorial . Backend Development 703 2025-08-24 14:21:01
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- Solve the problem that PHPMailer suddenly cannot send emails
- This article aims to solve the problem of suddenly being unable to connect to the SMTP host when sending mails through Office365 using PHPMailer. The article will analyze possible reasons and provide upgrade to PHP version as a solution, while explaining configuring SMTP options to suit the requirements of Office365 servers to ensure the stability and security of the mail sending function.
- PHP Tutorial . Backend Development 550 2025-08-24 14:18:00
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- How to use if-else statements in php
- if-elsestatementsinPHPenableconditionalexecution:1)Basicifrunscodeiftheconditionistrue;2)if-elsehandlesbothtrueandfalseoutcomes;3)if-elseif-elsechecksmultipleconditionsinsequence;4)Nestedifallowsdeeperdecision-makingbyplacingifstatementsinsideothers;
- PHP Tutorial . Backend Development 452 2025-08-24 14:16:01
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- MySQL Query: The Correct Way to Filter Price Range
- This article aims to solve the problem that the results do not meet expectations due to improper handling of parameter types during price range filtering in MySQL queries. By deeply analyzing the parameter types of the mysqli_stmt::bind_param function and providing sample code to help developers correctly pass numerical parameters to preprocessing statements, thus achieving accurate price range filtering.
- PHP Tutorial . Backend Development 849 2025-08-24 14:06:01
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- No file operation in PHP implements attachment sending and data storage
- This tutorial explains in detail how to avoid creating temporary files in PHP and directly process Base64-encoded PDF data through memory operations. We will explore how to extract Base64 strings from XML, decode them and send mail via SendGrid as attachments, while storing the original Base64 data to the database, improving security, performance and simplifying code.
- PHP Tutorial . Backend Development 726 2025-08-24 13:36:01
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- 'Non-numeric encounter' warning processing in PHP: is_numeric() function and type safety practice
- This tutorial is intended to address the common "Warning: A non-numeric value encountered" warning in PHP. PHP triggers this warning when performing arithmetic operations on non-numeric type variables. The article will analyze the causes of warnings in depth and explain in detail how to use the is_numeric() function to perform effective type checking to ensure the robustness and stability of the code and avoid potential runtime errors.
- PHP Tutorial . Backend Development 205 2025-08-24 13:21:01
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- PHP combination and performance in-depth analysis: comparison of array_merge and foreach loop
- This article explores in-depth two common methods of merging arrays in PHP: array_merge function and foreach loop. By comparing their internal mechanisms and performance, especially when dealing with large or empty arrays, the article analyzes which method is more efficient under different data volumes and server configurations. Designed to provide developers with professional guidance on choosing the best combination and strategy.
- PHP Tutorial . Backend Development 329 2025-08-24 13:09:01
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- Get user data in WooCommerce that has not placed an order within two weeks: SQL query optimization tutorial
- This document aims to provide an efficient SQL query method for retrieving user data from WooCommerce database that has not placed an order in the past two weeks. We will explore in-depth how to use the date_query parameter to optimize query performance, avoid traversing all user data, thereby improving data retrieval efficiency. Through this article, you will master the key technologies to obtain unactive users within a specific period of time.
- PHP Tutorial . Backend Development 724 2025-08-24 12:30:01
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- PHP efficient file processing: implement mail attachments and data storage without temporary file I/O
- This tutorial explores ways to avoid unnecessary temporary file I/O in PHP for improved performance and security. By storing intermediate data directly in memory variables rather than writing to disk, we can efficiently process PDF files such as Base64 encoded and send or store them as mail attachments to the database, thereby optimizing resource management and simplifying code logic.
- PHP Tutorial . Backend Development 348 2025-08-24 12:12:01
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- Tutorial on data transfer and state management between codeIgniter controller methods
- This tutorial explains in detail how to effectively pass data or share state between different methods in CodeIgniter controllers. We will explore two main strategies: direct data transfer through method return values, and state management with class attributes, and provide clear code examples and best practice suggestions to help developers write more robust, maintainable CodeIgniter applications.
- PHP Tutorial . Backend Development 821 2025-08-24 11:48:00
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