Found a total of 10000 related content
PHP Tutorial: Cleaning JSON Data with Recursive Functions
Article Introduction：This article aims to guide developers how to use PHP to obtain JSON data from the API interface and clean up data according to specific rules (removing key-value pairs with values ??of "N/A", "-" or empty strings). We will use a complete example to demonstrate how to use curl to get data, and how to efficiently process nested JSON structures using recursive functions, and finally output the cleaned data.
2025-08-31
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949
How Do Recursive Functions Work in PHP?
Article Introduction：Recursive Functions in PHP Simplified for BeginnersUnderstanding recursive functions can be intimidating, especially with technical jargon like...
2024-12-20
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1093
Tutorial on PHP cURL acquisition and recursive cleaning of JSON data
Article Introduction：This article details how to use PHP's cURL library to get JSON data from a specified API and implement an efficient recursive function to clean the data. Cleaning rules include removing key-value pairs with values ??of 'N/A', '-' or empty strings, as well as corresponding elements in the array, and finally outputting processed pure JSON objects, providing practical guides for data preprocessing.
2025-08-31
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565
Get and clean nested JSON data in PHP: CURL request and recursive function practice
Article Introduction：This article details how to send a GET request through cURL in PHP and use recursive functions to deeply clean the data. Cleaning rules include removing key-value pairs with values ??of "N/A", "- " or empty strings, as well as removing these specific items from nested arrays, and ultimately outputting a JSON object with clear structure and valid data.
2025-08-31
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440
What is a recursive php function?
Article Introduction：Recursive functions in PHP refer to calling their own functions during execution, which are suitable for tasks that can be decomposed into smaller similar subproblems. Its core mechanism is to continuously modify parameters through recursive calls until the stop condition (i.e., the base case) is reached, otherwise it may lead to infinite loops and stack overflow errors. Three points to note when using recursion: 1. Each recursive function must have at least one base case; 2. Each recursive call should be closer to the base case; 3. The default recursive depth limit of PHP is about 100-200 layers. Common applicable scenarios include traversing the directory tree, analyzing nested data structures, and implementing specific mathematical algorithms (such as factorial and Fibonacci sequences). But we need to be wary of potential problems: 1. Stack overflow risk; 2. High performance and memory consumption; 3. Difficulty in debugging when logic is complex. Therefore,
2025-07-22
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603
Calculate the number of possible paths to JSON-driven questionnaire: Java recursive implementation
Article Introduction：This article aims to provide a solution to calculate the number of all possible paths in a questionnaire based on JSON configuration using Java and recursive algorithms. We will dig deep into how to parse JSON structures and use recursive functions to iterate through all possible branches of answers, finally calculating the total number of different ways of completing the questionnaire. In addition, some considerations will be discussed when designing such questionnaire logic.
2025-08-31
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720
Calculate the number of possible paths to JSON-driven questionnaire: Java recursive method
Article Introduction：This article describes how to use Java and recursive algorithms to calculate the number of all possible paths in a survey based on JSON configuration. We will explain in detail how to parse the JSON structure and use recursive functions to iterate through each branch of the questionnaire and finally calculate all possible completion paths. In addition, some of the advantages and limitations of this approach will be discussed and optimization suggestions are provided.
2025-08-24
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337
Calculate the number of JSON-driven questionnaire paths: Java recursive implementation
Article Introduction：This document is intended to guide developers how to use Java and JSON data to calculate the number of all possible paths in a JSON configuration survey. We will use an actual questionnaire example to show how to effectively traverse all possible answer branches using a recursive algorithm and end up with the total number of paths. The point is to understand the application of recursion in solving such problems and how to adjust the recursion logic based on the JSON structure.
2025-09-03
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710
How do you write a recursive function in PHP?
Article Introduction：To write a valid PHP recursive function, you must first clarify the base case (the condition to stop recursive), secondly, make sure that each recursive call is close to the base case, and be careful to avoid exceeding the recursive depth limit and apply to tree structures. For example, in the countdown function, the base case is to stop when the number is less than or equal to 0; each recursion should reduce the parameter value to approach the base case; when processing directory scans, recursion is suitable for traversing nested directory structures; in addition, loops should be used first to avoid stack overflow risks, and always start testing with small inputs.
2025-07-21
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725
