How does the server-side execution of PHP code differ from client-side languages like HTML and JavaScript?

Server-side execution of PHP code occurs on the server before the webpage is sent to the client's browser, while client-side languages like HTML and JavaScript are executed on the client's browser. This means that PHP code can interact with databases, handle form submissions, and perform other server-side tasks that HTML and JavaScript cannot. To implement server-side execution of PHP code, you need to write PHP code within <?php ?> tags in your HTML file. 

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Server-side PHP Example&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;
    &lt;h1&gt;Welcome to our website!&lt;/h1&gt;
    
    &lt;?php
        $name = &quot;John&quot;;
        echo &quot;Hello, $name!&quot;;
    ?&gt;
&lt;/body&gt;
&lt;/html&gt;

Keywords

server-side execution PHP code client-side languages HTML JavaScript

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