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Implement a star array with the specified number of rows

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Author: User
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Implement a star array with the specified number of rows
Cyclic output algorithm exercises

  1. If (! Empty ($ _ GET ['row']) {
  2. $ Row = $ _ GET ['row'];
  3. } Else {
  4. $ Row = 10;
  5. }
  6. Echo 'left direct triangle ';
  7. For ($ I = 0; $ I <$ row; $ I ++ ){
  8. For ($ j = 0; $ j <= $ I; $ j ++ ){
  9. Echo '*';
  10. }
  11. Echo'
    ';
  12. }
  13. Echo 'right right triangle ';
  14. For ($ I = 0; $ I <$ row; $ I ++ ){
  15. For ($ j = $ row-1; $ j> $ I; $ j --){
  16. Echo '';
  17. }
  18. For ($ j = 0; $ j <= $ I; $ j ++ ){
  19. Echo '*';
  20. }
  21. Echo'
    ';
  22. }
  23. Echo 'parallelogram ';
  24. For ($ I = 0; $ I <$ row; $ I ++ ){
  25. For ($ j = $ row-1; $ j> $ I; $ j --){
  26. Echo '';
  27. }
  28. For ($ j = 0; $ j <= $ row; $ j ++ ){
  29. Echo '*';
  30. }
  31. Echo'
    ';
  32. }
  33. Echo 'waist triangle ';
  34. For ($ I = 1; $ I <$ row + 1; $ I ++ ){
  35. For ($ j = $ row; $ j> $ I; $ j --){
  36. Echo '';
  37. }
  38. For ($ j = 1; $ j <= 2 * $ I-1; $ j ++ ){
  39. Echo '*';
  40. }
  41. Echo'
    ';
  43. }
  44. Echo 'inverted isosceles triangles ';
  45. For ($ I = $ row; $ I> 0; $ I --){
  46. For ($ j = 0; $ j <= $ row-$ I-1; $ j ++ ){
  47. Echo '';
  48. }
  49. For ($ j = 1; $ j <= 2 * $ I-1; $ j ++ ){
  50. Echo '*';
  51. }
  52. Echo'
    ';
  54. }
  55. Echo 'Diamond ';
  56. Function fig ($ row ){
  57. For ($ I = 1; $ I <$ row + 1; $ I ++ ){
  59. For ($ j = $ row; $ j> $ I; $ j --){
  60. Echo '';
  61. }
  62. For ($ j = 1; $ j <= 2 * $ I-1; $ j ++ ){
  64. Echo '*';
  65. }
  66. Echo'
    ';
  67. }
  68. For ($ I = $ row; $ I> 0; $ I --){
  69. For ($ j = 0; $ j <= $ row-$ I-1; $ j ++ ){
  70. Echo '';
  71. }
  72. For ($ j = 1; $ j <= 2 * $ I-1; $ j ++ ){
  73. Echo '*';
  74. }
  75. Echo'
    ';
  77. }
  78. }
  79. Fig ($ row/2 );
  80. ?>

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