Can someone tell me what does this function definition mean: public function headings() :array { } What is that :array mean? I've seen that in laravel but do not what does it do.
I followed all the steps and PHP pre-requisites, but am still getting a 404 NOT FOUND error when i try to access the route that downloads the excel & csv files. Help please :(
Here is the sample for CSV . i have two radio button with and without if choose with " then data is "1","name","1999/08/03", if choose without then data is 1,name,1999/08/03