Found a total of 10000 related content
How do I validate user input in uni-app?
Article Introduction：The article discusses validating user input in uni-app using JavaScript and data binding, emphasizing both client and server-side validation for data integrity. Plugins like uni-validate are recommended for form validation.
2025-03-18
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935
How to Pass PHP Data and Strings to JavaScript in WordPress
Article Introduction：Best Practices for Passing PHP Data to JavaScript: A Comparison of wp_localize_script and wp_add_inline_script
Storing data within static strings in your PHP files is a recommended practice. If this data is needed in your JavaScript code, incorporat
2025-03-07
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1085
The correct way to process currency data in Java
Article Introduction：This article explores the importance of choosing the right data type when processing currency data in Java. In response to the problem of reading data containing currency formats such as comma and dollar signs from JSON and mapping them to DTO classes, the article analyzes the applicability of data types such as String, Long, and BigDecimal, and emphasizes the risk of accuracy loss. Ultimately, BigDecimal is recommended for currency calculations to ensure accuracy.
2025-09-08
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443
How to Lowercase Values in PHP Arrays (Methods and Approaches)
Article Introduction：Lowercasing Array Values in PHPWhen working with arrays in PHP, it may be necessary to convert the values to lowercase for various reasons. This could be for normalization, data validation, or aesthetic purposes. Here are the methods and approaches t
2024-10-20
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414
Implementing a DDD Use Case in PHP
Article Introduction：Implementing a DDD Use Case for in PHP
This article explores a Domain-Driven Design (DDD) Use Case model in PHP, demonstrating how to utilize interfaces and domain-specific classes to manage data persistence. We'll examine the TaxPersistUseCase
2024-11-12
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1214
How to Reliably Check if a Variable Represents an Integer in PHP?
Article Introduction：Checking if a Variable is an Integer in PHPWhen working with user input, it's crucial to validate the data to ensure its integrity. One common validation task is checking if a variable represents an integer. PHP provides the is_int() function for thi
2024-10-19
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999
What is Encapsulation and How Do I Implement it in PHP 7?
Article Introduction：This article explains encapsulation in PHP 7, one of OOP's four fundamental principles. It details how to implement encapsulation using access modifiers (public, protected, private) to control data access within classes, enhancing code maintainabili
2025-03-10
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556
Optimize the processing of mixed data types in AJAX requests in PHP backend
Article Introduction：This tutorial explores how to efficiently handle mixed data types in AJAX requests, especially when some of the data is passed in URL-encoded strings. The article will introduce two solutions in detail: using the parse_str() function to parse URL-encoded strings in the PHP backend, and the more recommended client-side JSON serialization method, easily restore data structures on the server side through json_decode() to ensure data integrity and maintainability.
2025-08-29
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721
Sort arrays alphabetically in PHP
Article Introduction：This article introduces two methods to alphabetically sort the data obtained from the database in PHP. It is recommended to use ORDER BY clauses for sorting in SQL queries, which is more efficient. At the same time, a scheme for sorting arrays in PHP code is also provided. Through this article, developers can master how to return alphabetical JSON arrays in API interfaces, improving data processing efficiency and user experience.
2025-08-22
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364
The Practical Application of Spl Interfaces in PHP
Article Introduction：The SPL interface solves practical problems in PHP development by providing standards such as Iterator, ArrayAccess, Countable and SeekableIterator. 1. Using Iterator can enable custom objects to support foreach traversal, such as user data collection classes; 2. Implementing ArrayAccess can allow objects to access and modify data through square brackets like arrays, which is suitable for configuring containers or DTOs; 3. Combining Iterator, Countable and ArrayAccess can build complete collection classes, supporting traversal, counting and array operations, and are widely used in modern PHP collection libraries; 4. SeekableItera
2025-07-25
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