The PHP function presented in this page can be used to convert XML content to JSON string. The XMLtoJSON() function receives the URL address of the XML file. Returns a string with the JSON object.
• This function cannot be used with XML content with Namespace.

Code of XMLtoJSON()

// converts XML content to JSON
// receives the URL address of the XML file. Returns a string with the JSON object
function XMLtoJSON($xml) {
  $xml = file_get_contents($xml);    // gets XML content from file
  $xml = str_replace(array("\n", "\r", "\t"), '', $xml);    // removes newlines, returns and tabs

  // replace double quotes with single quotes, to ensure the simple XML function can parse the XML
  $xml = trim(str_replace('"', "'", $xml));
  $simpleXml = simplexml_load_string($xml);

  return stripslashes(json_encode($simpleXml));    // returns a string with JSON object
}
- Just add the XMLtoJSON() function in you PHP file, and call it passing the URL address of the XML file.

- If you want to convert XML content stored into a string, delete or comment this line of code:
$xml = file_get_contents($xml);
And call the XMLtoJSON() function passing the string with the XML content.
$strxml = 'xml content';
$strjson = XMLtoJSON($strxml);
• This function can also be used to easily convert XML content to Array. Just call the function to get the string with JSON object, then apply the json_decode() to convert the JSON string to Array.
$strjson = XMLtoJSON($xml);
$arrjson = json_decode($strjson, true);

Examples usage XMLtoJSON()

1. XML content stored into a file named "test1.xml".
<?xml version="1.0" encoding="UTF-8"?>
<websites>
  <site>
    <title>Web Programming Courses</title>
    <url>https://coursesweb.net/</url>
  </site>
  <site>
    <title>Courses Games Anime</title>
    <url>https://marplo.net/</url>
  </site>
</websites>
PHP code:
<?php
// converts XML content to JSON
// receives the URL address of the XML file. Returns a string with the JSON object
function XMLtoJSON($xml) {
  $xml_cnt = file_get_contents($xml);    // gets XML content from file
  $xml_cnt = str_replace(array("\n", "\r", "\t"), '', $xml_cnt);    // removes newlines, returns and tabs

  // replace double quotes with single quotes, to ensure the simple XML function can parse the XML
  $xml_cnt = trim(str_replace('"', "'", $xml_cnt));
  $simpleXml = simplexml_load_string($xml_cnt);

  return json_encode($simpleXml);    // returns a string with JSON object
}

echo XMLtoJSON('test1.xml');
Results:
{"site":[{"title":"Web Programming Courses","url":"https://coursesweb.net/"},{"title":"Courses Games Anime","url":"https://marplo.net/"}]}
2. XML content with IDs in tags, and added into a string:
<?php
// converts XML content to JSON
// receives a string with the XML content. Returns a string with the JSON object
function XMLtoJSON($xml) {
  $xml = str_replace(array("\n", "\r", "\t"), '', $xml);    // removes newlines, returns and tabs

  // replace double quotes with single quotes, to ensure the simple XML function can parse the XML
  $xml = trim(str_replace('"', "'", $xml));
  $simpleXml = simplexml_load_string($xml);

  return stripslashes(json_encode($simpleXml));    // returns a string with JSON object
}

$strxml = '<?xml version="1.0" encoding="UTF-8"?>
<websites>
  <site id="1" pr="5">
    <title>Web Programming Courses</title>
    <url>https://coursesweb.net/</url>
  </site>
  <site id="2" pr="4">
    <title>Courses Games Anime</title>
    <url>https://marplo.net/</url>
  </site>
</websites>';

echo XMLtoJSON($strxml);
Results:
{"site":[{"@attributes":{"id":"1","pr":"5"},"title":"Web Programming Courses","url":"https://coursesweb.net/"},{"@attributes":{"id":"2","pr":"4"},"title":"Courses Games Anime","url":"https://marplo.net/"}]}

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which attribute indicates that an input field must be filled out before submitting?
required="required" autofocus="autofocus" placeholder="text"
<input type="text" name="name1" required="required" />
Which CSS method increases or decreases the size of the HTML element (including its content)?
translate() scale() skew()
#some_id:hover {
  transform: scale(2, 1.5);
  -ms-transform: scale(2, 1.5);    /* IE 9 */
  -moz-transform: scale(2, 1.5);   /* Firefox */
}
Click on the Date object method that returns the day of the month.
setDate() getMonth() getDate()
var rightnow = new Date();
var day = rightnow.getDate();
alert(day);
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is_file() move_uploaded_file() fopen()
if(move_uploaded_file($_FILES["field_name"]["tmp_name"], "dir/file_name")) {
  echo "The file succesfully uploaded";
}
Convert XML to JSON in PHP

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