PHP Shell_exec = How to output the result in a table displayed on a web page?

Question

I successfully managed to run my first php script in a web page!! I'm using a Raspberry Pi and with this script, a result is shown in a php page. It shows METAR data from the local airport.

Basically meteo data. I managed to center the output on the page using the string

> echo "<center>";

It looks nice, but would be nicer if it can be displayed with its original left justification in a centered html table.

Is this possible?

!DOCTYPE html>
<div align="center">
<hr />
<h1>METAR report</h1>
<?php
 $output = shell_exec('sh /var/www/html/weather.sh');
 echo "<pre>$output</pre>";
 ?>

What "table" are you referring to? We have no clue what the variable $output contains. Please read How to create a Minimal, Reproducible Example and edit your question accordingly. — M. Eriksson
– M. Eriksson, Commented Sep 18, 2019 at 12:50
Hi! well the output of the shell is a simple weather report on 13 lines displayed on a php web page hosted on my server. The same text as i get on the linux terminal. I centered the text on the page but i would like to maintain its left justification and insert the weather report in a table, a sort of frame. — Antonio
– Antonio, Commented Sep 18, 2019 at 13:23
Just echo the data in a div that has align: left. Example: <div style="align: left"><?php ... ?></div>. — M. Eriksson
– M. Eriksson, Commented Sep 18, 2019 at 13:28

Thrallix · Accepted Answer · 2019-09-18 12:56:35Z

3

Try the following:

<!DOCTYPE html>
<html>
    <head>
        <title>Project</title>
    </head>
    <body>
        <div class="container">
            <?php
                $output = shell_exec('sh /var/www/html/weather.sh');
                echo "<pre>$output</pre>";
            ?>
        </div>
        <style>
        .container {
            width: 90%;
            margin: 0 auto;
        }
        </style>
    </body>
</html>

answered Sep 18, 2019 at 12:56

Thrallix

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3 Comments

Antonio Over a year ago

Hi! Well the text has a bit of space from the left margin and it is justified on the left. Not bad. Is it possible to add everything inside an html table, like if it was in a frame...

Thrallix Over a year ago

@Antonio Using tables without actually requiring tables is bad practise these days. You can simply give the .container a background colour to make it look better. You can also decrease the width to make it more centered.

Antonio Over a year ago

Ok, thanks for the tip. I won't use any frame. Looks surely cleaner.

Krish PG · Accepted Answer · 2019-09-18 13:34:05Z

0

<!DOCTYPE html>
<html>
    <head>
        <title>Project</title>
    </head>
    <body>

    <?php
 $output = shell_exec('sh /var/www/html/weather.sh');
 ?>
    <table align="center" width="400" border="1">
        <tr>
            <td><?php echo "<pre>$output</pre>"; ?></td>
        </tr>
    </table>
    <table align="center" width="400" border="0">
        <tr>
            <td><?php echo "<pre>$output</pre>"; ?></td>
        </tr>
    </table>
    <table align="center" width="800" border="1">
        <tr>
            <td><?php echo "<pre>$output</pre>"; ?></td>
        </tr>
    </table>
    </body>
</html>

Try all combinations and choose which one suits you best. viva l'Italia!

answered Sep 18, 2019 at 13:34

Krish PG

1159 bronze badges

6 Comments

Thrallix Over a year ago

You should not teach people bad practises based on what they want, but rather teach them what the right thing to do is.

Antonio Over a year ago

@AaronNoHuanKnows is this ok? <!DOCTYPE html> <html> <head> <title>Metar Report</title> </head> <body> <?php $output = shell_exec('sh /var/www/html/weather.sh'); ?> <table align="center" width="400" border="0"> <tr> <th><h1>Metar Report</h1></th> </tr> <tr> <td><?php echo "<pre>$output</pre>"; ?></td> </tr> </table> </body> </html>

Thrallix Over a year ago

@Antonio Not according to today's standards. If anything you should look into installing "Bootstrap" through a CDN and using their container class.

Antonio Over a year ago

@AaronNoHuanKnows ok! Now i know how it works. I'll study the CSS you gave me and the html code Krish PG posted. How can i move it further away from the left margin? Only with width? Usually i use WYSIWYG builders so this is my first personal attemp and still improving :)

Antonio Over a year ago

@KrishPG yes sure. I only have html knowledge and basic CSS. Never applied them on a project involving php and scripts. I'm happy with this solution for now. Maybe one day i'll learn to design a cool Bootstrap UI. I work as a designer so i'm just trying to expand my knowledge! Thanks you all!

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