Interpreting PHP Bubble sequencing Tips _php Tutorial

PHP Bubble Sort program File sort_bubble_up.php

2. < html>
4. < head>< title> php bubble sequencing demo < /title>< head>
6. < link rel = "stylesheet" href = "Sort.css" >
8. < body>
10. < H1> bubble sequencing demo < /h1>
12. < table cellpadding = "5" cellspacing ="1"
    Border="0" align="center" >
14. < ? PHP
16. Randomly generated arrays
18. $ arr = Array ();
20. Echo ' < tr>< td colspan= " ten" class="title">
    Initial values < /td>< /tr > ';
22. Echo ' < tr>';
24. For ($i=0; $i< $i + +) {
26. $arr [$i]=rand ();
28. echo " < td>$arr [$i]={$arr [$i]}< /td > ";
30. }
32. To sort by bubbling
34. For ($i=9; $i>0; $i-) {
36. Echo ' < tr>< td colspan= " ten" class="title"> "
    . (10-$i). ' Times < /td>< /tr> ';
38. For ($J=0; $j< $i; $j + +) {
40. if ($arr [$j]< $arr [$j +1]) {
42. $ tmp = $arr [$j];
44. $arr [$j]= $arr [$j +1];
46. $arr [$j +1]= $tmp;
48. }
50. Echo ' < tr>';
52. for ($k=0; $k< ; $k + +) {
54. Switch ($k) {
56. Case $j: Echo ' < TD class="base">"; break;
58. Case $j +1:echo ' < TD class="Light">";
60. Default:echo ' < td>';
62. }
64. echo "$arr [$k]={$arr [$k]} < /td > ";
66. }
68. Echo ' < /tr > ';
70. }
72. }
74. Show sort Results
76. Echo ' < tr>< td colspan= " ten" class="title"> results < /td >< /tr > ';
78. Echo ' < tr>';
80. For ($i=0; $i< $i + +) {
82. echo " < td>$arr [$i]={$arr [$i]}< /td > ";
84. }
86. Echo ' < /tr > ';
88. ?>
90. < /table >
92. < /body >< /html >

PHP Bubble Sort style sheet file Sort.css

H1{text-align:center; color:blue;}
table{font-size:12px; font-family:arial; background-color:black; text-align:center;}
Td{background-color:white;}
. Base{background-color: #0FF;}
. Light{background-color: #0DD;}
. Title{background-color: #3FF; text-align:center;}

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