I changed the formatting to below:

<?php
$test = 'My ' . ' test ' . ' text.';
?>
<?php
echo $test;
?>

Now output is

My test text.

created file.. out put:

$test = 'My' . 'test' . 'text'; echo $test;

5.4.16

I have also built test php files and put in my admidio folder.. they launch without issue

[Wed Jan 10 12:47:06.298605 2024] [:error] [pid 17395] [client 127.0.0.1:43092] PHP Warning: phpinfo(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and...

Any ideas on where to go next? Went through clean build/load.. tested apache, mysql and php all working. When I go to installation.php it does not launch, I just get a blank page.

OK, cleaned out the admidio site, re-extracted and setup but same thing either index.php or direct to install.php I just get a blank white screen.

I was missing a couple of components.. sorry I am fairly new to apache/php.. I have that resolved but now get a blank white screen. I created a test php file and have verified that PHP is now working properly. I can rip the admidio site out and start it over to see what I get then.

So, I took another computer, clean build/install of Linux Mint... installed Mysql and Apache2.. then tried the install of Admidio with the exact same message...

I get the same thing... Old Admidio version 1.x or 2.x config file detected! Please update first to the latest version 3 of Admidio and after that you can perform an update to version 4! Please view our documentation.'); } else { $g_root_path = getAdmidioUrl(); } require_once($rootPath . '/adm_progr...

No, there is no config.php file in the main folder. The only PHP is the index.php file.

I have the files copied in place, but when I open index.php I get the following: Old Admidio version 1.x or 2.x config file detected! Please update first to the latest version 3 of Admidio and after that you can perform an update to version 4! This is a new install with the latest download, 4.12.13....