PHP str_replace() with multiple parameter on condition

Question

I want to use php str_replace() function on some condition. Eg : if the string has am i want to replace with :00 and if it has pm i want to replace with :00. There will be one am or pm on the string and I want to replace with same variable. How do I do it using PHP?

 $classRoom->start =Carbon::parse($request->input('start'));
dd(str_replace(array('am', ':00'), array('pm', ':00'),$request->input('start'))); 

Answer 1

str_replace(array('am', 'pm'), ':00', $request->input('start'));

You can pass an array to both of the first parameters for str_replace. You need to pass an array of the text to search for. Then you pass an array or string of things to replace.