Regex to search and replace a string with variable index

Question

I need help to make a regex to find string like:

<?php if ($course['image']) { ?>

or

<?php if ($course['date']) { ?>

and replace with

{{$course->image}} or {{$course->date}} or {{$course->whateverindex}}

thanks!

Answer 1

<\?php echo \$(\w+)\['(\w+)']; \?> 

replace with

{{\$$1->$2}}