How can a "Please Wait" page be displayed while a shell command is being executed in PHP?

To display a "Please Wait" page while a shell command is being executed in PHP, you can use AJAX to asynchronously run the shell command and update the page with a loading message. This way, the user will see the "Please Wait" message while the command is being executed in the background. 

<!DOCTYPE html>
<html>
<head>
    <title>Please Wait</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
    <div id="loading">Please Wait...</div>
    <div id="result"></div>

    <script>
        $(document).ready(function(){
            $('#loading').show();

            $.ajax({
                url: 'execute_command.php',
                success: function(data){
                    $('#result').html(data);
                    $('#loading').hide();
                }
            });
        });
    </script>
</body>
</html>
```

In the `execute_command.php` file, you can run the shell command using PHP's `shell_exec` function and echo out the result.

```php
<?php
$command = 'your_shell_command_here';
$output = shell_exec($command);
echo $output;
?>

Keywords

PHP shell command execution background process loading page

Related Questions