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Auto Install scripts - my ideas & code
#1

[eluser]phpMaster[/eluser]
hi!
Auto Install scripts - my ideas & code

A usual way to test if app is installed, is to check 'config.php' exists or is not empty.
I have another approach, that makes such tests are not needed.
This will spare at least one IF execution, each time app is called.

My default 'config.php' have this:
Code:
<?php

session_start();
$_SESSION['install']=true;
header('location: install.php');
exit();

?>

After Auto Install parameters has been submitted,
a new 'config.php' is written with the values.

I prefer to use auto install step by step. With only few fields in each.
In this code I am working on, there are 3 steps.
I use switch - case and valid values from each step are stored $_SESSION.

'install.php'
Code:
<?php

session_start();
if(!isset($_SESSION['install']))
    exit('no');

//install
$step = (isset($_POST['step'])) ?  $_POST['step'] : 0;

switch( $step ):
case 1 :
    $sitename=trim($_POST['sitename']);
    include('install.forms.inc.php');
    $len=strlen($sitename);
    if($len<4){
        $out=$form1.$ms1.'Site name too short'.$ms2;
        break;
    }
    $_SESSION['sitename']=$sitename;
    $out = $form2;
    break;
case 2 :
    $forum1=trim($_POST['forum1']);
    $forum2=trim($_POST['forum2']);
    $forum3=trim($_POST['forum3']);
    include('install.forms.inc.php');
    $len=strlen($forum1);
    if($len<4){
        $out=$form2.$ms1.'Forum 1 name too short'.$ms2;
        break;
    }
    $len=strlen($forum2);
    if($len!=0 && $len<4){
        $out=$form2.$ms1.'Forum name too short'.$ms2;
        break;
    }
    $len=strlen($forum3);
    if($len!=0 && $len<4){
        $out=$form2.$ms1.'Forum name too short'.$ms2;
        break;
    }
    $_SESSION['forums']=array($forum1,$forum2,$forum3);
    $out = $form3;
    break;
case 3 :
    $adminuser=trim($_POST['adminuser']);
    $adminpass=trim($_POST['adminpass']);
    include('install.forms.inc.php');
    $len=strlen($adminuser);
    if($len<6){
        $out=$form3.$ms1.'Admin username too short'.$ms2;
        break;
    }
    $len=strlen($adminpass);
    if($len<6){
        $out=$form3.$ms1.'Admin password too short'.$ms2;
        break;
    }
    $_SESSION['adminuser']=$adminuser;
    $_SESSION['adminpass']=$adminpass;
    include('install.writeconfig.inc.php');
    define("DBINSTALL",true);
    include('install.db.inc.php');
    $out = '<h2>Thank you.<br>You can now use your forum.</h2>';
    $out.= 'Admin User: <b>'.$adminuser.'</b><br>';
    $out.= 'Admin Pass: <b>'.$adminpass.'</b><br>';
break;    
default:
    include('install.forms.inc.php');
    $out =$form1;
endswitch;

echo $header.$out.$footer;

?&gt;
There is only one (1) 'echo' in total installing process!
This is when I know, I have managed to separate php-code/html-output well.


Regards, phpMaster




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