HowTo run a ShellScript in PHP in loop

Question

I have a shell script which is excecuted in a php file to get the temperature.

<?php 
  $output = shell_exec('sh temperature.sh');
  echo "<pre>$output&deg;C</pre>";
?>

Right now it is only excecuted once. How do I need to change the php file so the Value is always up to date?

Thanks

w3schools.com/php/php_looping.asp see while/for loop here first. It'll give you good idea on changing your PHP code — AKS
– AKS, Commented Oct 10, 2014 at 16:18

Dima · Accepted Answer · 2014-10-10 17:08:52Z

1

PHP is a server side language. that means that when its loaded, its done. if you want to update it always, you should use ajax calls for that.

var interval = 1000; // 1 second
function doAjax() {
    $.ajax({
        type: 'GET',
        url: 'get_what_you_want.php',
        data: {},
        dataType: 'json',
        success: function (data) {
                $('body').text(data) // or put it on your page    
        },
        complete: function (data) {
                // Schedule the next
                setTimeout(doAjax, interval);
        }
    });
}
setTimeout(doAjax, interval);

edited Oct 10, 2014 at 17:08

answered Oct 10, 2014 at 17:02

Dima

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