PHP Data structure Basic Algorithm 1: Matrix transpose for prime number bubble sort selection for sorting

PHP Data structure Basic Algorithm 1: Matrix transpose for prime number bubble sort selection for sorting

 Matrix before transpose: "; foreach ($ matrix as $ line) {echo"
"; Foreach ($ line as $ value) {echo $ value." ";}}$ tm = transposition ($ matrix); echo"
Transposed matrix: "; foreach ($ tm as $ line) {echo"
"; Foreach ($ line as $ element) {echo $ element." ";}}/*** evaluate Prime number * @ param int $ n evaluate 2 ~ $ All prime numbers in n * @ return array returns 2 ~ $ N all prime number sets **/function primenumber ($ n) {$ I = 3; $ prime = array (2); $ tag = true; while ($ I <= $ n) {foreach ($ prime as $ value) {if ($ I % $ value = 0) {$ tag = false; break ;} $ tag = true;} if ($ tag) {$ prime [] = $ I ;}$ I ++;} return $ prime ;}$ n = 200; $ prime = primenumber ($ n); echo"
2 ~ The prime numbers in {$ n} are:
"; Foreach ($ prime as $ value) {echo $ value. "";}/***** bubble sorting ** @ param array $ array of data to be sorted * @ param int $ tag 0 indicates ascending order, 1 indicates the result of sorting from large to small * @ param array **/function bubblingsort ($ data, $ tag = 0) {$ arrlen = count ($ data ); for ($ I = $ arrlen-1; $ I >=0; $ I --) {for ($ j = 0; $ j <$ I; $ j ++) {if ($ data [$ I]> $ data [$ j]) {if ($ tag = 1) {$ m = $ data [$ j]; $ data [$ j] = $ data [$ I]; $ data [$ I] = $ m ;}} else {if ($ tag = 0) {$ m = $ data [$ I]; $ data [$ I] = $ data [$ j]; $ data [$ j] = $ m ;}}}} return $ data;} $ data = array (, 90); echo"
Before bubble sorting:
"; Foreach ($ data as $ value) {echo $ value." ";}$ data = bubblingsort ($ data); echo"
After sorting from small to large:
"; Foreach ($ data as $ value) {echo $ value." ";}$ data = bubblingsort ($ data, 1); echo"
After sorting from large to small:
"; Foreach ($ data as $ value) {echo $ value. "";}/*** select sorting ** @ param array $ data array * @ param int $ tag 0 indicates sorting from small to large, 1 indicates the result of sorting from large to small * @ param array **/function selectsort ($ data, $ tag = 0) {$ arrlen = count ($ data ); for ($ I = 0; $ I <$ arrlen-1; $ I ++) {for ($ j = $ I + 1; $ j <$ arrlen; $ j ++) {if ($ data [$ I]> $ data [$ j]) {if ($ tag = 0) {$ m = $ data [$ I]; $ data [$ I] = $ data [$ j]; $ data [$ j] = $ m ;}} else {if ($ tag = 1) {$ m = $ data [$ I]; $ data [$ I] = $ data [$ j]; $ data [$ j] = $ m ;}}}} return $ data;} $ data = array (, 90); echo"
Before sorting:
"; Foreach ($ data as $ value) {echo $ value." ";}$ data = selectsort ($ data); echo"
After sorting from small to large:
"; Foreach ($ data as $ value) {echo $ value." ";}$ data = selectsort ($ data, 1); echo"
After sorting from large to small:
"; Foreach ($ data as $ value) {echo $ value." ";}?>