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8.2.5. Setting MIME Types with PHPIn PHP, the following line of code is used to set the MIME type of a document:
<?php header('Content-type: mimeType'); ?>
For example, to set the MIME type of a document to "application/vnd.wap.xhtml+xml", use the PHP code below:
<?php header('Content-type: application/vnd.wap.xhtml+xml'); ?>
Note that the above PHP code must be placed at the beginning of a document, like this:
<?php
header('Content-type: application/vnd.wap.xhtml+xml');
?>
Notice that we cannot include the XML declaration in the markup directly. This is because <? and ?> have special meanings in the PHP language. One solution is to print out the XML declaration using the PHP code:
<?php echo '<?xml version="1.0"?'.'>'; ?>
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