What role does the web server play in the execution of PHP scripts compared to opening them in a browser like Firefox?

When PHP scripts are opened directly in a browser like Firefox, the browser does not have the ability to interpret and execute PHP code. Instead, the PHP code needs to be processed by a web server that has PHP support, which will then generate HTML output that can be displayed in the browser. The web server plays a crucial role in executing PHP scripts by processing the code and generating the appropriate output for the browser to display. 

<?php
// PHP script that generates HTML output
echo "<h1>Hello, World!</h1>";
?>

Keywords

web server PHP scripts execution browser Firefox

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