How can PHP developers ensure proper context switching when inserting values into HTML code?

To ensure proper context switching when inserting values into HTML code in PHP, developers should use htmlspecialchars() function to escape special characters and prevent XSS attacks. This function converts special characters like <, >, ", ', and & into their HTML entities, ensuring that the inserted values are displayed as plain text rather than executed as code. 

&lt;?php
$value = &quot;&lt;script&gt;alert(&#039;XSS attack!&#039;)&lt;/script&gt;&quot;;
echo htmlspecialchars($value);
?&gt;

Keywords

PHP context switching HTML code escaping security

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