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Home  >  Article  >  Backend Development  >  php calendar code efficient calendar code implemented in php

php calendar code efficient calendar code implemented in php

WBOY
WBOYOriginal
2016-07-25 08:56:052473browse

  3. /*

  4. * php calendar function
  5. * edit: bbs.it-home.org
  6. */
  7. @date_default_timezone_set('RPC');

  8. function show_calender(){

  9. $starttime=microtime();

  10. //Processing request date

  11. $y= isset($_GET["y"]) ? intval($ _GET["y"]) : date("Y");
  12. $m= isset($_GET["m"]) ? intval($_GET["m"]) : date("m");
  13. if ($m<1 || $m>12)$m=date("m");
  14. if($y<=0)$y=date("Y");

  15. $nm=$m+1;
  16. if($nm>12){
  17. $nm=1;
  18. $ny=$y+1;
  19. }else{
  20. $ny=$y;
  21. }

  22. //Previous month

  23. $pm=$m-1;
  24. if($pm<1){
  25. $pm=12;
  26. $py=$y-1;
  27. }else{
  28. $py=$y;
  29. }

  30. //Get the name of this month

  31. $month = date("M",mktime(0, 0, 0, $m, 1, $y));

  32. //Get the last day of this month

  33. $lastday = date("d",mktime(0, 0, 0, $nm, 0, $ny) );

  34. //Get the day of the week when the day starts

  35. $index = date("w",mktime(0, 0, 0, $m, 1, $y));< /p>

  36. //Generate calendar header

  37. echo "nn";

  38. //Processing calendar

  39. $row=0 ;
  40. $day=1;
  41. while(1){
  42. echo "
    43. ";
  43. if($row==0){
  44. for($i=0;$i<=6;$i++)
  45. if($i<$index)
  46. echo "
    47. ";
  47. else
  48. echo "
    49. ";
  49. }else{
  50. for($i=0;$i<=6;$i++)
  51. if($day>$lastday)
  52. echo "
    53. ";
  53. else
  54. echo "";
  55. }
  56. echo "
    57. ";
  57. $row++;
  58. if($day>$lastday)break;
  59. }
  60. echo "

  61. $endtime=microtime();

  62. $usedtime=$endtime-$starttime;
  63. return $usedtime;
  64. }

  65. $run_info= array();

  66. for($i=0;$i<10;$i++)
  67. $run_info[]=show_calender();

  68. print_r($run_info);

  69. ?>

  70. Copy code

    Test results:

    Array ( [0] => 0.00038400000000005 [1] => 0.00030999999999998 [2] => 0.000296999999999999 [3] => 0.000303 [4] => 0.00030399999999997 [5] => 0.00034499999999998 [6] => 0.00032300000000002 [7] => 0.00033 [8] => 0.00032699999999997 [9] => 0.00032000000000004 )

    >>>> Articles you may be interested in: php calender calendar code (solve 2038 problem) php calendar code (with demo effect) php calendar code sharing simple and practical php calendar code php calendar code Three good php calendar codes Share an example of PHP simple calendar code PHP simple calendar implementation code (can bind events)

    71. - {$y} {$month} +
    DayOneTwoThreeFour< ;/td>fivesix
      ".$day++."  


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