How can the placement of PHP code within a template affect the execution of JavaScript code?

The placement of PHP code within a template can affect the execution of JavaScript code if the PHP code outputs JavaScript code in the wrong location, causing syntax errors or unexpected behavior. To solve this issue, ensure that PHP code that generates JavaScript code is placed within script tags or in a separate JavaScript file included in the template. 

<?php
// PHP code generating JavaScript code
echo '<script>';
echo 'var data = ' . json_encode($data) . ';';
echo 'console.log(data);';
echo '</script>';
?>

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