Lester.
Thanks for your reply. What is confusing me most is:
$exif as $key => $section
I understood the foreach from the manual, and we have to have a key/value.
But, what is =>?
On Sat, Jan 31, 2015 at 12:28 AM, Lester Caine <lester@xxxxxxxxxxx> wrote:
> On 31/01/15 02:06, Ken Robinson wrote:
> >> Hello,
> >>
> >> I'm new to PHP. I came across the following code:
> >>
> >> ....
> >> ....
> >> $exif = exif_read_data($image);
> >> foreach ($exif as $key => $section) {
> >> foreach ($section as $name => $val) {
> >> .....
> >> .....
> >>
> >> What are we doing here in the "foreach"? What is "as"?
> >
> > RTFM
> >
> > http://php.net/manual/en/control-structures.foreach.php
>
> I've read the manual ... now I'm more confused :)
> Seriously ... If one is starting to use PHP reading the manual is the
> LAST place to start, but there is not a good alternative to direct
> people to. Most tutorials are simply last in old style practices!
>
> Abdul ...
> A useful little trick is print_r($exif);
> This will show just what has been returned by exif_read ... which is an
> multi level array of data. foreach simply scans the array converting
> each element of the array - in this case creating a copy of an element
> in $section, but $section is an array itself so the second foreach pulls
> out the values.
>
> Now hopefully reading the manual will make a little more sense :)
>
> --
> Lester Caine - G8HFL
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