関連ワード:  php search in multidimensional array    php search in multidimensional array by key value    php search in multidimensional array by value    php find in multidimensional array by value    php find in multidimensional array    php search in nested array    php search in 2d array    php search in two dimensional array    php find in multidimensional array by key    php search key in multidimensional array