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- Apache .htaccess URL rewriting tutorial: Remove ?q= parameter and avoid common pitfalls
- This tutorial explains in detail how to use Apache's .htaccess file to rewrite the ?q= parameter in the URL into a concise path form, such as converting /?q=something to /something. The article delves into why common rewrite rules RewriteRule ^(.*) index\.php?q=$1 causes index.php errors, and provides a professional solution to effectively avoid this problem by optimizing the regular expression ^([^.]*)$ while ensuring that static resources are not affected.
- PHP Tutorial . Backend Development 834 2025-08-05 23:48:01
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- WordPress User Metadata Computing and Dynamic Update: A Practical Guide to Implementing Derived Fields
- This tutorial explains in detail how to calculate and automatically update the derived user metadata based on the form data submitted by the user in WordPress. The article will cover key steps from user metadata acquisition, data type conversion, correct update to code implementation, and aim to help developers avoid common mistakes, manage and utilize user data efficiently, and ensure the accuracy and real-timeness of derived fields.
- PHP Tutorial . Backend Development 610 2025-08-05 23:00:01
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- Guide to Dynamic Computing and Update of WordPress User Metadata
- This tutorial explains in detail how to automatically calculate and update relevant custom user metadata based on existing metadata submitted by user front-end forms in WordPress. The article will explore the correct usage of get_user_meta and update_user_meta functions in depth, emphasize the importance of data type conversion, and provide proven code examples to help developers efficiently implement the automated processing and maintenance of user data.
- PHP Tutorial . Backend Development 899 2025-08-05 22:45:01
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- Guide to calculate and automatic update of user metadata after submission of WordPress front-end form
- This tutorial details how to automatically calculate and update new derivative metadata based on saved user metadata after a user submits data through a front-end form in WordPress. The article covers methods for correctly obtaining and updating user metadata, the importance of data type conversion, and the details of code implementation, aiming to help developers efficiently manage and maintain user-related information.
- PHP Tutorial . Backend Development 777 2025-08-05 22:36:01
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- Guide to implementing PHP and databases for automatically updating web content based on date and time
- This tutorial explains in detail how to achieve automatic update of date and time on web pages, especially for scenarios such as radio program schedules. The article covers three main methods: using PHP conditional logic, using PHP arrays to manage program schedules, and dynamic data management through databases. Each method provides detailed code examples and applicable scenario analysis, and discusses how to handle time accuracy, improve maintainability and implement real-time updates, aiming to help developers choose the most appropriate solution based on project needs.
- PHP Tutorial . Backend Development 980 2025-08-05 22:27:01
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- Implementation of automatic update of web content based on date and time: PHP and database driver solution
- This article explains in detail how to use PHP to achieve dynamic content updates based on date and time on web pages, especially suitable for scenarios such as radio program schedules. The article covers the use of simple conditional judgment, scheduling based on PHP arrays to more advanced methods combined with SQL databases, and provides corresponding code examples and practical considerations, aiming to help developers choose the most appropriate implementation solution according to their needs.
- PHP Tutorial . Backend Development 139 2025-08-05 22:18:01
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- Tutorial on automatic update of web content based on date and time
- This article details how to automatically update the displayed content on the web page according to the current date and time, especially for scenes such as radio program lists. The tutorial covers three main implementation methods: simple logic based on PHP conditional judgment, using PHP array to manage program lists, and a more flexible and powerful database driver solution. Through code examples and detailed explanations, readers can master dynamic content display technology in different scenarios, and discuss best practices such as time zone setting and performance optimization.
- PHP Tutorial . Backend Development 928 2025-08-05 22:09:00
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- Dynamic web content update: Date and time-based PHP and database implementation tutorial
- This tutorial will introduce in detail how to use PHP combined with date and time functions to achieve automatic update of web page content, such as displaying different program information according to week and time period. The article covers a variety of methods from simple conditional judgment, using PHP array to managing program schedules, and ultimately using database (SQL) for flexible and scalable program data management, and provides corresponding code examples and precautions.
- PHP Tutorial . Backend Development 120 2025-08-05 21:57:01
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- Automatic update of web content based on date and time: Taking radio program schedule as an example
- This article aims to provide a complete set of tutorials to guide how to use PHP and database technology to achieve automatic date and time updates of web content, especially for scenarios such as radio program schedules that require precise time control. The tutorial will cover a variety of methods from simple conditional judgment to managing programs using arrays to dynamic content management in combination with databases, and provide detailed code examples and practical suggestions to ensure that the content can be displayed dynamically based on current time.
- PHP Tutorial . Backend Development 739 2025-08-05 21:54:01
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- Detect whether there are multiple different values in PHP array
- This article aims to provide an efficient method for determining whether a PHP array contains at least two different values. By utilizing the array_count_values function to count the occurrence frequency of each value in the array and combining the count of the result array, we can quickly and accurately verify the uniqueness of elements in the array, thereby providing critical judgments when data consistency is required.
- PHP Tutorial . Backend Development 445 2025-08-05 21:48:00
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- Methods to efficiently determine whether there are multiple different values in PHP arrays
- This article will explain in detail how to efficiently determine whether there are multiple different values in PHP arrays. By using the array_count_values() function, we can quickly count the number of occurrences of each value in the array, and then determine whether the original array contains more than one unique value by checking the number of elements in the result array. This approach is especially suitable for scenarios where array elements need to be homogeneous, such as verifying that the seller ID in the order is consistent.
- PHP Tutorial . Backend Development 640 2025-08-05 21:36:01
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- How to vertically and horizontally center an element in CSS?
- UseFlexboxwithdisplay:flex,justify-content:center,andalign-items:centerformodern,responsivelayouts;2.UseCSSGridwithplace-items:centerifalreadyusinggrid;3.Useabsolutepositioningwithtop:50%,left:50%,andtransform:translate(-50%,-50%)forolderbrowsers;4.U
- CSS Tutorial . Web Front-end 930 2025-08-05 21:22:01
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- How to use CSS selectors effectively?
- Prioritizesimple,low-specificityselectorslikeclassesoverIDsorcomplexchainstoensuremaintainabilityandavoid!important;2.Usesemantic,reusableclassnameswithconventionslikeBEM(.block__element--modifier)forclarityandscalability;3.Applyattributeandpseudo-cl
- CSS Tutorial . Web Front-end 501 2025-08-05 21:21:01
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- How to create a card layout with CSS?
- To create a responsive CSS card layout, first build the card structure using HTML, then beautify the style with CSS, and implement a responsive grid via Grid or Flexbox. 1. Each card consists of a div containing pictures, content and buttons; 2. Use border, box-shadow, border-radius and other attributes to design the card appearance to ensure the image is responsive; 3. Use CSSGrid to set.card-grid to display:grid, use grid-template-columns:repeat(auto-fit,minmax(280px,1fr)) to achieve adaptive column count, or use Flexbo
- CSS Tutorial . Web Front-end 752 2025-08-05 21:19:00
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