関連ワード:  php sort nested array by value    php sort multidimensional array by value    php sort multidimensional array by value alphabetically    php sort multidimensional array by value descending    php sort multidimensional array by value ascending    php sort multidimensional array by value alphabetically case insensitive    php order multidimensional array by value    php sort multidimensional array by key value    php sort multidimensional array by multiple values    php sort multidimensional associative array by value