<?php $array = [ ['1923', 'apr', 'a'], ['2001', 'apr', 'a'], ['2010', 'apr', 'a'], ['1956', 'apr', 'a'], ['1923', 'apr', 'a'], ['2001', 'apr', 'a'], ['2001', 'apr', 'a'], ]; var_dump(array_count_values(array_column($array, 0)));
You have javascript disabled. You will not be able to edit any code.