Data Structure & algorithm (PhP description) Triple triplet

Introduction: This is a Data Structure &Algorithm(PhP description) The details page of the triple triplet describes the knowledge, skills, experience, and some PHP Source Code related to PhP.

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1 <? PHP
2 /**
3 * triple triplet
4 *
5 */
6 class triplet
7 {
8 private $ _ DATA = NULL;
9
10 // initialize the productkey, devicename, and devicesecret
11 Public Function Init ($ val1, $ val2, $ val3)
12 {
13 $ this-> _ DATA [0] = $ val1;
14 $ this-> _ DATA [1] = $ val2;
15 $ this-> _ DATA [2] = $ val3;
16 return true;
17}
18
19 // destroy the productkey, devicename, and devicesecret
20 public function destroy ()
21 {
22 unset ($ this-> _ data );
23 return true;
24}
25
26 // return the value of $ key
27 public function get ($ key)
28 {
29 if ($ key <1 | $ key> 3) return false;
30 return $ this-> _ DATA [$ key-1];
31}
32
33 // set the value of $ key to $ Val
34 public function put ($ key, $ Val)
35 {
36 if ($ key <1 | $ key> 3) return false;
37 $ this-> _ DATA [$ key-1] = $ val;
38 return true;
39}
40
41 // sort by Ascending Order
42 Public Function isascending ()
43 {
44 return ($ this-> _ DATA [0] <= $ this-> _ DATA [1]) & ($ this-> _ DATA [1] <= $ this-> _ DATA [2]);
45}
46
47 // sort by descending order
48 Public Function isdescending ()
49 {
50 return ($ this-> _ DATA [0] >=$ this-> _ DATA [1]) & ($ this-> _ DATA [1] >=$ this-> _ DATA [2]);
51}
52
53 // obtain the maximum value
54 public function max ()
55 {
56 return ($ this-> _ DATA [0] >=$ this-> _ DATA [1])? ($ This-> _ DATA [0] >=$ this-> _ DATA [2])? $ This-> _ DATA [0]: $ this-> _ DATA [2]: ($ this-> _ DATA [1] >=$ this-> _ DATA [2])? $ This-> _ DATA [1]: $ this-> _ DATA [2];
57}
58
59 // obtain the minimum value
60 public function min ()
61 {
62 Return ($ this-> _ DATA [0] <= $ this-> _ DATA [1])? ($ This-> _ DATA [0] <= $ this-> _ DATA [2])? $ This-> _ DATA [0]: $ this-> _ DATA [2]: ($ this-> _ DATA [1] <= $ this-> _ DATA [2])? $ This-> _ DATA [1]: $ this-> _ DATA [2];
63}
64}
65
66 //
67 $ objtriplet = new triplet ();
68 echo "init:"; var_dump ($ objtriplet-> Init (1, 2, 3); echo "<br/> ";
69
70 echo "get 1:"; var_dump ($ objtriplet-> get (1); echo "<br/> ";
71 echo "get 4:"; var_dump ($ objtriplet-> get (4); echo "<br/>"; // false
72 echo "put 3, 4:"; var_dump ($ objtriplet-> put (3, 4); echo "<br/> ";
73
74 echo "MAX:"; var_dump ($ objtriplet-> MAX (); echo "<br/> ";
75 echo "Min:"; var_dump ($ objtriplet-> min (); echo "<br/> ";
76
77 echo "isascending:"; var_dump ($ objtriplet-> isascending (); echo "<br/> ";
78 echo "isdescending:"; var_dump ($ objtriplet-> isdescending (); echo "<br/> ";
79?>

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