関連ワード:  php get multidimensional array value by key    php find multidimensional array by value    php get array values multidimensional    php get max value multidimensional array    php multidimensional array get all values    php multidimensional associative array get value by key    php get unique values from multidimensional array    php get highest value in multidimensional array    php get specific value from multidimensional array    php get lowest value in multidimensional array