How does the interaction between PHP and JavaScript affect the output of web pages, particularly when it comes to handling special characters like quotation marks?

When handling special characters like quotation marks in web pages, the interaction between PHP and JavaScript can sometimes lead to unexpected behavior or errors. To ensure that special characters are properly handled and displayed, it's important to properly encode and escape them in both PHP and JavaScript. 

<?php
$special_string = "This is a string with 'special' characters";
$encoded_string = htmlspecialchars($special_string, ENT_QUOTES);
echo "<script>var specialString = '" . $encoded_string . "';</script>";
?>

Keywords

PHP JavaScript special characters quotation marks output handling

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