Create a guessing word game using PHP. Provide user hints and let them guess and input the word. For exampe if the hint is "This is something we drink", the correct guess word should be "Water". Increase score by 10 points on each correct guess.

$score = 0;

$hint_array = array("This is something we drink", "It is on the sky", "greeting");

$correct_GuessQord = array("Water", "Sun", "Hello");