the ajax should be sending the post with json to carry the key data to make a clear result from the php and json should be doing it's job in the php file and the Jquery is do basic to have any issues, so that leaves my focus on the PHP at this time, but I do not see a proplem. Now the Jquery should be working as well. While ($row =$result->fetch(PDO::FETCH_ASSOC)) I can get the data down to my $result so i know that part is working, my issue is with encoding it to json, if i pull a single record then it works if i pull all records then it doesn't, an i am not sure why I am new to using PDO and i am trying to get data from my db to json $('#productid_desc').val(data.productname) While ($row = oci_fetch_array($stid, OCI_ASSOC))Īnd this is the part of the jquery and ajax (the productid_desc is an input box on the page that should be filled automaticaly) This is the part of the php that get the product desc from the database and the relevant sources I use of jquery and bootstrapītw after the json_encode i added json_last_error_msg and recieved no error message, so its something in the jquery in my understanding I have no idea what is wrong with my code. Also, we have converted array or object into JSON string.I try to fill a readonly textbox on my page with a description of a product the user put in an product_id inputbox.įor that I use a jquery and ajax as a json formīut the result i get when i debug it is that the data.productname is undefined. You also learned how to convert that JSON into an array or object. In this article, you learned how to read JSON data from a file or string in PHP. Let's take simple example to convert colors array into JSON. You can overview all flag at Offical PHP Documentation. While in second parameter, we can pass some flag for JSON encoding like JSON_PRETTY_PRINT, JSON_PRESERVE_ZERO_FRACTION or more. The json_encode() function accept three parameters but in general use just object or array is passed to it. We can encode associative array, PHP class object or sql result object into JSON using json_encode() function. The json_encode() function is used to encode a value to JSON format. It will produce same output as above but here we have converted JSON file into array and use it. If you want to convert JSON string into array then pass true as second argument like below example : The json_decode() function accept two argument first is JSON string and second is boolean flag which define conversion of JSON will be array or object. Here, we have parsed json into PHP object and simply print it. Here, we have created users.json and stored above data. Let's take first example to read json file using json_decode() function in PHP. Here, we will see how to parse JSON file or JSON string using json_decode() function. JSON can be stored into file, database or even string variable. When null, JSON objects will be returned as. When true, JSON objects will be returned as associative array s when false, JSON objects will be returned as object s. PHP implements a superset of JSON as specified in the original RFC 7159. We will use this data into further examples.īelow is sting conversion of above data: Reading JSON File or String This function only works with UTF-8 encoded strings. Below is example of sample JSON object for users data. JSON stores data just like array but use curly brackets to group data and stores into key-value separated by colon sign. Learn how to parse JSON using the json_decode() and json_encode() functions.įirst of all let's understand JSON format. In this tutorial, we will teach you how to read a JSON data and convert it to an array in PHP. Now days, major databases like MYSQL also supports JSON data storage and provide query functions for it. ![]() Then we can transfer JSON sting over HTTP/HTTPS and use it as per our requirements. Object or array can easily parsed into JSON using those functions. PHP 7.2: Added JSONINVALIDUTF8IGNORE, and JSONINVALIDUTF8SUBSTITUTE options. PHP Changelog: PHP 7.3: Added JSONTHROWNONERROR option. If the JSON object cannot be decoded it returns NULL. ![]() In PHP, there are in-built function to handle JSON operations like encode and decode. Return Value: Returns the value encoded in JSON in appropriate PHP type. ![]() JSON is open standard data format which used to transfer data quick and easily. JSON stands for JavaScript Object Notation.
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