SimpleXMLElement Archives

How to Return an XML response PHP Code Examples: SimpleXML

How to Return XML Response in PHP Code Example There are 2 options you can use to return an XML response in PHP. First, you want to make sure that you set appropriate headers. Secondly, you can use the file_get_contents function or the SimpleXML PHP class. We recommend the SimpleXML class when possible. Sample XML Response in PHP Code Snippet header("Access-Control-Allow-Origin: *"); header("Content-Type: text/xml; charset=UTF-8"); if(file_exists('courses.xml')) { $courses = file_get_contents('courses.xml'); echo $courses; } else { echo "<?xml version=\"1.0\"?><Error>404 - File not found!</Error>"; } There are 2 keys to returning XML responses in PHP. First, you need to have a valid XML string. Secondly, you need to make sure that you have the proper headers set. It is the headers that tell your response client (browser, API, etc) that they should expect XML data. Relevant Content: HTTP Server - Request & Response In a client-server architecture, a client sends a request…

How to create XML in PHP

Code Snippet: Create XML in PHP This article explores how to create XML in PHP. Here’s a solution using SimpleXMLElement class. $products = [ ["Name" => "Tomato Ketchup", "Price" => 2, "Availability" => 40], ["Name" => "Men Fragrance", "Price" => 160, "Availability" => 12], ["Name" => "Air Freshner", "Price" => 8, "Availability" => 50], ["Name" => "Cookies", "Price" => 1.5, "Availability" => 80], ]; $root = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><products/>'); foreach($products as $index => $subarray) { $product = $root->addChild('product'); //<product></product> $product->addAttribute('Id', $index); //Adds an ID attribute to the element product. foreach($subarray as $k => $v ) { $product->addChild($k, $v); //Adds name, price and availability. } } $root->asXML('products.xml'); That’s one obvious option, but that’s not the only one. We will see another class that represents DOM documents in PHP. So, stay tuned to learn something exciting today. Relevant Content: SimpleXMLElement in PHP The SimpleXMLElement class represents an XML element and defines…

How to convert XML to Array or Object in PHP

Code Snippet: XML to Array in PHP The article explores how to convert XML to array or object in PHP. Here’s a snippet from the article. <?php $courses_xml = '<courses> <course> <title>Fundamentals of Programming</title> <credithours>3 + 1</credithours> <prerequisites>None</prerequisites> </course> <course> <title>Object Oriented Programming</title> <credithours>3 + 1</credithours> <prerequisites>Fundamentals of Programming</prerequisites> </course> </courses>'; $xml = simplexml_load_string($courses_xml); $json = json_encode($xml, JSON_PRETTY_PRINT); $array = json_decode($json, true); ?> That’s just one way of going about this problem. Learn more about this topic in the following sections. Relevant Content: JSON to XML Conversion The article “How to convert XML to JSON in PHP” sets a solid foundation for XML to array in PHP. We suggest reading that article as this article borrows alot from it. We will see that the existing solution adds only one extra function call to get an array or object, and the rest of the code is similar. So without any further…

Convert XML to JSON Correctly With PHP Code Examples (2023)

Code Snippet: XML to JSON in PHP This article focuses on converting XML to JSON in PHP. You can convert XML to JSON using 2 functions. Here's the relevant code snippet to transform XML to JSON. <?php $employees_xml = '<employees> <employee id="1"> <firstname>Jack</firstname> <lastname>Nesham</lastname> <age>22</age> <role>Software Engineer</role> </employee> <employee id="2"> <firstname>Maxwell</firstname> <lastname>Rick</lastname> <age>25</age> <role>DevOps Engineer</role> </employee> </employees>'; $xml = simplexml_load_string($employees_xml); $json = json_encode($xml, JSON_PRETTY_PRINT); ?> That's not the only way, though. This is a solid solution in many cases, but you may encounter a more complex situation, need more flexibility, or you need this in several locations. There is a solid 3rd party composer package to convert XML to CSV which we'll discuss further in the article. Relevant Content: XML & JSON Conversion Converting PHP XML to JSON In the article, “How to convert JSON to XML in PHP”, we learned about SimpleXMLElement class and json_decode function that helps in…

Convert JSON to XML Correctly with PHP Code Examples (2023)

Converting JSON to XML in PHP Code Example <?php $JSON_arr = json_decode($JSON, true); $xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><root></root>'); function arraytoXML($json_arr, &$xml) { foreach($json_arr as $key => $value) { if(is_int($key)) { $key = 'Element'.$key; //To avoid numeric tags like <0></0> } if(is_array($value)) { $label = $xml->addChild($key); arrayToXml($value, $label); //Adds nested elements. } else { $xml->addChild($key, $value); } } } arraytoXML($JSON_arr, $xml); print_r($xml->asXML('output.xml')); ?> Can't understand what's going on? Don't worry, just stay tuned as this article will explain every bit in depth. Background: JSON, XML, SimpleXMLElement Class JSON vs XML JSON and XML have some similarities and differences in structure and function. Both are popular as data exchange formats in a client-server setup. That's why applications that deal with both formats often need interconversion functionality between JSON and XML. Follow the link to learn more about JSON vs XML. This article focuses on PHP JSON to XML conversion. PHP SimpleXMLElement…