PHP Taskbook Level 6.10

A form with textarea is given. Text is entered into textarea. After sending the form, display the words of this text in alphabetical order and without duplicates.

A form with textarea is given. Text with words is entered into textarea. After sending the form, make a table, in the first column of which there will be words from the text, in the second column - the number of times this word occurs, and in the third - the percentage of this word in the text.