A decent backend framework like PHP needs to be capable of providing and processing data in any format (e.g., XML, JSON, etc.) to be socially accepted in a society of skilled web development frameworks. Since JSON is a ubiquitous data format for sharing and storing data, it is vital that a PHP backend allows processing of JSON data. Some of the JSON error codes and the description are listed below. This function will return a numeric value representing the JSON error code. In such cases, the jsonlasterror () function will be helpful for tracking and handling the error. This is where json_encode (and json_decode) come into the picture and enable PHP processed data to be compatible with frameworks and systems that deal with JSON data and make way for easier and faster web development. If the error occurred, then PHP JSON functions will return NULL. In this post, we’ll learn about the JSON format, about the json_encode() function - what it is, why it is required, and how it can be used to convert PHP data structures into JSON format, all with examples. What is the JSON_Encode Function? What is JSON? In the end, we’ll also see how we can decode JSON data to be able to process it. In the current stable, PHP v7. You can use the PHP jsondecode () function to convert the JSON encoded string into appropriate PHP data type. JSON (JavaScript Object Notation) is one of the most popular open-standard file formats used for storing and sharing data. Let’s take a look at how we handle JSON errors in < PHP 7.2, and the new improvements coming in PHP 7.3. Decoding JSON data is as simple as encoding it. Using jsonlasterror () can be userfull if your apache server serve only one website, but it can be disgracefully if you got errors from other errors generated by other web site, this function trigger the last errors from the last call to the function jsonencode or jsondecode. It uses human-readable text to represent data using attribute-value pairs and array data types. This is what a common JSON object looks like. We’ll be using this example in the sections below to understand how we can encode PHP data into JSON format. JSON allows us to represent and encapsulate complex data in an organized fashion that can be shared easily across the internet.
Even though JSON derives its name from JavaScript, JSON was created to be used by all programming languages. Let’s see how we can convert our PHP variables into JSON format.
Json_encode() is a native PHP function that allows you to convert PHP data into the JSON format. The function takes in a PHP object ($value) and returns a JSON string (or False if the operation fails).
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