How can PHP be used to execute external commands like wkhtml2pdf for PDF generation from a URL?

To execute external commands like wkhtml2pdf for PDF generation from a URL in PHP, you can use the `shell_exec()` function. This function allows you to run shell commands and capture their output. You can use it to call wkhtml2pdf with the desired URL as an argument and generate a PDF file. 

$url = "http://example.com";
$pdfFilePath = "/path/to/output.pdf";

$command = "wkhtml2pdf $url $pdfFilePath";
shell_exec($command);

Keywords

PHP execute external commands wkhtml2pdf PDF generation URL

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