How can the problem of extra spaces being added between characters in XML files be prevented when using PHP functions?

When using PHP functions to generate XML files, extra spaces can be inadvertently added between characters, causing issues with parsing the XML. To prevent this problem, you can use the `ob_start()` and `ob_get_clean()` functions to capture the output without any extra spaces. 

<?php
ob_start();
// PHP code to generate XML content
$xml_content = ob_get_clean();

// Output the XML content without extra spaces
header('Content-Type: text/xml');
echo $xml_content;
?>

Keywords

PHP XML files extra spaces prevent functions

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