How can the issue of PHP code not executing within a <textarea> tag be resolved, especially when the document has a ".php" extension?

Issue: PHP code within a <textarea> tag does not execute when the document has a ".php" extension because PHP does not parse code inside <textarea> tags by default. To resolve this, you can use the htmlspecialchars() function to escape the PHP code within the <textarea> tag, allowing it to be displayed correctly in the browser. 

&lt;textarea&gt;&lt;?php echo htmlspecialchars(&#039;&lt;?php your_php_code_here; ?&gt;&#039;); ?&gt;&lt;/textarea&gt;

Keywords

PHP <textarea> .php extension execution code.

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