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- Syntax errors caused by embedding multi-line PHP output in synchronous JavaScript and its solutions
- This article discusses the "Uncaught SyntaxError: Invalid or unexpected token" error caused by traditional string literals that do not support newlines when embedding PHP multi-line output in synchronous JavaScript code. The article elaborates on the root of the problem and provides an effective solution to use JavaScript template literals (i.e. backtick strings), ensuring that the dynamic content generated by PHP can be seamlessly and securely integrated into front-end scripts, especially suitable for cross-site widget development and other scenarios.
- PHP Tutorial . Backend Development 799 2025-09-19 13:48:26
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- PHP requires path best practices: Solve 500 errors and cross-environment compatibility issues
- This tutorial aims to solve the problem that PHP requires or include has normal local environment but has 500 errors in the production environment. The core is to understand the difference between file paths and URLs, and emphasize avoiding the use of allow_url_include. The article will introduce in detail how to implement the safe, efficient and cross-environmentally compatible introduction of components (such as headers and footers) by defining application root path constants, combining __DIR__ or dirname (__FILE__), and improve the maintainability and portability of code.
- PHP Tutorial . Backend Development 361 2025-09-19 13:44:24
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- JavaScript object key name renaming tips: Conversion from ABC to CCC
- This article details how to efficiently and flexibly rename top-level key names for objects (like JSON data) in JavaScript. The content covers a variety of practical methods such as copying assignments and then deleting old keys, directly creating new objects, and using square bracket notation to process dynamic key names. The article also explores the implementation details, code examples and key considerations of each method, helping developers choose the most appropriate solution based on specific scenarios, ensuring the accuracy of data operations and the robustness of code.
- HTML Tutorial . Web Front-end 883 2025-09-19 13:40:00
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- How to determine if a specific time is between two dates and times
- This article aims to provide a clear and concise method for determining whether a given timestamp falls within two date and time ranges stored in the database. We will explore how to use MySQL's date-time functions and BETWEEN operators to simplify query logic, improve code readability and execution efficiency, and provide corresponding PHP code examples.
- PHP Tutorial . Backend Development 177 2025-09-19 13:24:01
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- In-depth analysis of how Laravel gets HTTP hostname
- Laravel follows a set of priority mechanisms when determining HTTP hostnames. It first checks the X_FORWARDED_HOST and HOST HTTP headers, and if both are not available (for example in a CLI environment), then look for the SERVER_NAME and SERVER_ADDR configuration variables in turn. This process ensures that the server domain name can be accurately identified in different operating environments, rather than simply returning common values ??such as "localhost".
- PHP Tutorial . Backend Development 405 2025-09-19 13:03:01
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- Implement responsive full coverage overlay in CSS Grid layouts (Overlay)
- This article details how to create a responsive full coverage overlay for a specific Grid area (such as main-container) in a CSS Grid layout. The core solution is to set the parent container to position: relative, and the overlay is set to position: absolute and width: 100%; height: 100%; to ensure that the overlay accurately covers the parent container without the need for fixed sizes, perfectly adapting to various screen sizes and responsive designs.
- HTML Tutorial . Web Front-end 855 2025-09-19 12:57:01
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- Front-end tutorial for implementing single-input field multi-password page jump
- This tutorial will guide you how to use JavaScript to implement a multi-password verification page with a single input field on the front end, and jump to different target pages according to the password entered by the user. The article introduces in detail the implementation method of using array objects to manage passwords and page mapping, and emphasizes the serious security risks of this client password verification solution, reminding readers to use a secure server-side verification mechanism in actual applications.
- HTML Tutorial . Web Front-end 291 2025-09-19 12:12:01
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- PHP array loop: Practical tips for skipping the first element
- This tutorial details how to effectively skip the first element when using foreach loop through an array in PHP. The article provides a variety of implementation methods, including based on conditional judgment, Boolean flag bits, and array preprocessing using the array_slice() function, supplemented by clear code examples and precautions, aiming to help developers choose the most appropriate solution based on specific scenarios.
- PHP Tutorial . Backend Development 252 2025-09-19 12:06:01
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- CodeIgniter public folder sensitive file protection policy: Implement authentication access control
- This article aims to provide a set of practical strategies to protect sensitive files in public folders in the CodeIgniter framework, effectively preventing unlogged users from directly accessing these resources through URLs. We will elaborate on how to limit direct access at the web server level by configuring .htaccess files, and combine it with CodeIgniter controller for user authentication and dynamic and secure distribution of file content, ensuring that only authorized users can access specified sensitive files, thereby enhancing the security of the application.
- PHP Tutorial . Backend Development 803 2025-09-19 11:54:01
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- PHPMyAdmin Connection to MySQL: Solve the compatibility issue of ed25519 authentication plug-in
- This article aims to solve the problem of connection failure caused by incompatibility of ed25519 authentication plug-in when PHPMyAdmin connects to MySQL server. By modifying the MySQL configuration file, set the default authentication plug-in to mysql_native_password and updating the authentication method of affected users, you can restore normal access to PHPMyAdmin.
- PHP Tutorial . Backend Development 732 2025-09-19 11:27:01
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- Tutorial on Force Browser to Refresh CSS Reference Image Resources
- This tutorial aims to solve the problem that browser cache causes the image resources referenced in CSS to be unable to be updated in time. We will explore the limitations of JS and CSS file versioning strategies and provide solutions to force the browser to reload all resources by setting up HTTP cache control headers, including HTML meta tags and server-side configurations, while discussing its potential impact with a more granular control approach.
- PHP Tutorial . Backend Development 904 2025-09-19 10:21:01
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- Automatic login implementation tutorial for PHP user registration
- This document details how to achieve automatic user login after the PHP registration process is completed. The core is to simulate the login process after the registration is successful, set the corresponding Session variables, and redirect the user to the homepage. At the same time, the importance of Session management is emphasized and sample code is provided for reference.
- PHP Tutorial . Backend Development 433 2025-09-19 09:24:00
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- WooCommerce: Conditionally disable or exclude short codes in specified product categories
- This tutorial will introduce in detail how to control the display of short codes through conditional logic on the WooCommerce single product page to disable or exclude short codes for specific product categories. We will use WordPress’ has_term() function and combine it with the add_action hook in functions.php to ensure that the short code is only executed in the product categories that meet the criteria, thereby optimizing the page content and user experience. The article will provide detailed code examples and usage notes to help you manage website content accurately.
- PHP Tutorial . Backend Development 133 2025-09-19 06:27:01
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- Incremental operation and formatting techniques with leading zero numbers in PHP
- This article aims to solve the problem of leading zero loss when performing incremental operations on string numbers with leading zeros in PHP. By explaining in-depth the use of str_pad function, including its parameters and application scenarios, the tutorial will show how to accurately format the result back into a string with a specified length leading zero after numerical calculations, ensuring the integrity and consistency of the data format.
- PHP Tutorial . Backend Development 375 2025-09-19 06:06:01
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