How can PHP developers effectively output XML data to the screen for integration with APIs like Google Maps?

To effectively output XML data to the screen for integration with APIs like Google Maps, PHP developers can use the `header()` function to set the content type to `text/xml` and then echo out the XML data. This ensures that the XML data is properly formatted and can be easily consumed by APIs. 

<?php
// Set the content type to XML
header('Content-type: text/xml');

// Echo out the XML data
echo '<?xml version="1.0" encoding="UTF-8"?>
<markers>
  <marker name="Location 1" lat="37.774929" lng="-122.419416" />
  <marker name="Location 2" lat="34.052234" lng="-118.243685" />
</markers>';
?>

Keywords

PHP XML API integration Google Maps output data

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