How can PHP scripts execute external PHP files and save the parsed HTML output?

To execute external PHP files and save the parsed HTML output, you can use the `include` or `require` functions in PHP. These functions allow you to include the content of one PHP file into another. By including the external PHP file, its code will be executed, and any HTML output will be displayed or saved depending on your implementation. 

ob_start(); // Start output buffering
include 'external_file.php'; // Include the external PHP file
$output = ob_get_contents(); // Get the output of the included file
ob_end_clean(); // End output buffering and discard the buffer
file_put_contents('parsed_output.html', $output); // Save the parsed HTML output to a file

Keywords

PHP execute external files save parsed HTML output

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