Tag: array_reduce

Read JSON Files with PHP: 5 Code Examples (best in 2023)

JSON data can be accessed and utilized with many programming languages. In this article, we will learn how to read a JSON file in PHP. We will discuss all the methods used to read a JSON file, convert JSON objects into an array, and display it in PHP. Let’s first learn about what JSON is.  Read a JSON file with a PHP code example <?php // Reads the JSON file. $json = file_get_contents('./test_data.json'); // Decodes the JSON file. $json_data = json_decode($json,true); // Display the JSON data. print_r($json_data); ?> Table of Contents What is JSON? Encode JSON Data in PHP. Decode JSON Data in PHP. Read a JSON File using the file_get_contents() Function in PHP. Read JSON Files with PHP Code Examples Explored. What is JSON? JSON stands for JavaScript object notation. The JSON data is written as name/value pairs, and it is basically a lightweight data-interchange format that is very…

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How to use array_map with a multidimensional array in PHP

array_map multidimensional array
PHP array_map with a multidimensional array PHP array_map works with a multidimensional array either iteratively or recursively. The iterative approach is more hardcoded while the recursive approach is more generic and efficient. This article explores both of these approaches. Introduction PHP array_map is a higher-order function known for transforming array elements based on the logic of the function it receives. There has already been much discussion on higher-order functions and how to use them. The three most popular higher orders are array_map, array_filter, and array_reduce. So, if you’re curious about knowing all the caveats involved, you can always jump to the articles that have been linked. This article explores ways to use array_map with multidimensional arrays. Generally, array_map works with linear arrays. Internally, it iterates over the array elements and performs the transformations. So, we need to find a workaround for multidimensional arrays. PHP array_map - A Quick Review If…

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