How can a PHP script use proc_open to start a specific program when a link is clicked?

To use proc_open in a PHP script to start a specific program when a link is clicked, you can create a PHP file that will execute the program using proc_open when the link is clicked. You can then link to this PHP file from your HTML page using an anchor tag with the href attribute pointing to the PHP file. 

<?php
if(isset($_GET['start_program'])){
    $descriptorspec = array(
        0 => array("pipe", "r"),
        1 => array("pipe", "w"),
        2 => array("file", "/tmp/error-output.txt", "a")
    );

    $process = proc_open('/path/to/your/program', $descriptorspec, $pipes);

    if (is_resource($process)) {
        fclose($pipes[0]);
        fclose($pipes[1]);
        $return_value = proc_close($process);
    }
}
?>

<a href="start_program.php?start_program=true">Start Program</a>

Keywords

PHP proc_open program link click

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