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View XSS Protection in 5 common contexts
<?php
/**
* XSS protection function for HTML context only
* @usecases
* <title>use this function if output reflects here or as a content of any HTML tag.</title>
* e.g., <span>use this function if output reflects here</span>
* e.g., <div>use this function if output reflects here</div>
* @description
* Sanitize/Filter < and > so that attacker can not leverage them for JavaScript execution.