Re: How can I replace $_SERVER["DOCUMENT_ROOT"] in PHP 7.0?

On 15/09/2021 09:08, Bo Berglund wrote:
> On Tue, 14 Sep 2021 13:28:49 +0100, Ashley Sheridan <[email protected]>
> wrote:
>
>> On 14/09/2021 11:32, Bo Berglund wrote:
>>> On Tue, 14 Sep 2021 11:21:00 +0100, Ashley Sheridan <[email protected]>
>>> wrote:
>>>
>>>> The basic steps would have been just checking what
>>>> $_SERVER['DOCUMENT_ROOT'] contained. That would have negated pretty much
>>>> all the rest of the test code, etc, that you wrote, as that's the actual
>>>> problem.
>>> Do you mean to for example do some kind of dir listing based on
>>> $_SERVER['DOCUMENT_ROOT']?
>>>
>>> If so I have no idea how to do that...
>>> I assume that there is a PHP command to help but I have not been using such ever
>>> so I don't know.
>>>
>> No, $_SERVER['DOCUMENT_ROOT'] is a string, just echo out what it
>> actually is on both versions of PHP. That would show you what you now
>> know, that it's different for whatever reason. It could be a script
>> being run that's altering it, it could be a change in server config, not
>> easy to tell without more digging.
> Does it matter if I use
> $_SERVER["DOCUMENT_ROOT"] rather than
> $_SERVER['DOCUMENT_ROOT']
>
> In the code I am struggling with it uses double quotes rather than single quotes
> as you show here,
>
The only difference between single and double quote is how PHP handles 
string interpolation, e.g.:

$var = 'something';
echo "this is $var";
echo 'this is $var';

Will give you the output:

this is something
this is $var

-- 
Ashley Sheridan
https://www.ashleysheridan.co.uk