PHP Tool Classes

Source: Internet
Author: User
PHP tool classes, developing prerequisites for the class:
Form Validation Class
Verification Code Class
Log class
Pagination class
Infinite Pole Classification class
  1. Class Lib_form
  2. {
  3. Private $typeArr =array (' isnotempty ', ' isint ', ' isstr ', ' isemail ', ' Istel ', ' isonlynum ', ' hasset ', ' Isonlychar ', ' is Numandchar ', ' checklength ');
  4. Private $msg = Array ();
  5. Private $code = 0;
  6. Public Function Validata ($post)
  7. {
  8. if (!is_array ($post))
  9. {
  10. $this->msg[] = ' data is not array ';
  11. }
  12. Else
  13. {
  14. foreach ($post as $field = $value)
  15. {
  16. $func = $post [$field] [' Valid '];
  17. $value = $post [$field] [' value '];
  18. $checkLength = ' checklength ';
  19. if ($pos = Stripos ($func, $checkLength)!==false)
  20. {
  21. $condition = substr ($func, strlen ($checkLength));
  22. $func = $checkLength;
  23. $LENGTHARR = Explode ('-', $condition);
  24. Self:: $func ($value, $field, $LENGTHARR [0], $LENGTHARR [1]);
  25. }
  26. Else
  27. {
  28. if (!in_array ($func, $this->typearr))
  29. {
  30. $this->msg = $func. ' Isnotexists ';
  31. Break
  32. }
  33. Self:: $func ($value, $field);
  34. }
  35. }
  36. }
  37. return $this->showrestult ();
  38. }
  39. Private Function Showrestult ()
  40. {
  41. if ($this->msg && is_array ($this->msg))
  42. {
  43. $this->code = 1;
  44. $msg = Implode (', ', $this->msg);
  45. $ret = Array (' code ' = = $this->code, ' msg ' = + $msg);
  46. return $ret;
  47. }
  48. Return Array (' Code ' = $this->code, ' msg ' = ' success ');
  49. }
  50. Private Function Isnotempty ($value, $field)
  51. {
  52. if (! $this->hasset ($value, $field)) return false;
  53. $value = Trim ($value);
  54. if (empty ($value))
  55. {
  56. $this->msg[] = $field. ' IsEmpty ';
  57. return false;
  58. }
  59. return true;
  60. }
  61. Private Function Isint ($value, $field)
  62. {
  63. if (! $this->isnotempty ($value, $field)) return false;
  64. $value = Trim ($value);
  65. if (!is_int ($value))
  66. {
  67. $this->msg[] = $field. ' Isnotint ';
  68. return false;
  69. }
  70. return true;
  71. }
  72. Private Function Isstr ($value, $field)
  73. {
  74. if (! $this->isnotempty ($value, $field)) return false;
  75. $value = Trim ($value);
  76. if (!is_string ($value))
  77. {
  78. $this->msg[] = $field. ' Isnotstr ';
  79. return false;
  80. }
  81. return true;
  82. }
  83. Private Function Hasset ($value, $field)
  84. {
  85. if (!isset ($value))
  86. {
  87. $this->msg[] = $field. ' Isnotset ';
  88. return false;
  89. }
  90. return true;
  91. }
  92. Private Function Isemail ($value, $field)
  93. {
  94. if (! $this->isnotempty ($value, $field)) return false;
  95. $value = Trim ($value);
  96. $pattern = "/^[a-za-z0-9_-]+@[a-za-z0-9_-]+ (\.[ a-za-z0-9_-]+) $/";
  97. if (!preg_match ($pattern, $value))
  98. {
  99. $this->msg[] = $field. ' Isnotemail ';
  100. return false;
  101. }
  102. return true;
  103. }
  104. Private Function Istel ($value, $field)
  105. {
  106. if (! $this->isnotempty ($value, $field)) return false;
  107. $value = Trim ($value);
  108. $pattern = '/^[0-9]{7,11}$/';
  109. if (!preg_match ($pattern, $value))
  110. {
  111. $this->msg[] = $field. ' Isnottel ';
  112. return false;
  113. }
  114. return true;
  115. }
  116. Private Function Isonlynum ($value, $field)
  117. {
  118. if (! $this->isnotempty ($value, $field)) return false;
  119. $value = Trim ($value);
  120. $pattern = "/^[0-9]{1,}$/";
  121. if (!preg_match ($pattern, $value))
  122. {
  123. $this->msg[] = $field. ' Isnotonlynum ';
  124. return false;
  125. }
  126. return true;
  127. }
  128. Private Function Isonlychar ($value, $field)
  129. {
  130. if (! $this->isnotempty ($value, $field)) return false;
  131. $value = Trim ($value);
  132. $pattern = "/^[a-za-z]{1,}$/";
  133. if (!preg_match ($pattern, $value))
  134. {
  135. $this->msg[] = $field. ' Isnotonlychar ';
  136. return false;
  137. }
  138. return true;
  139. }
  140. Private Function Isnumandchar ($value, $field)
  141. {
  142. if (! $this->isnotempty ($value, $field)) return false;
  143. $value = Trim ($value);
  144. $pattern = "/^[a-za-z0-9]{1,}$/";
  145. if (!preg_match ($pattern, $value))
  146. {
  147. $this->msg[] = $field. ' Isnotnumandchar ';
  148. return false;
  149. }
  150. return true;
  151. }
  152. Private Function Checklength ($value, $field, $minLength, $maxLength)
  153. {
  154. if (! $this->isnotempty ($value, $field)) return false;
  155. $value = Trim ($value);
  156. $length = (strlen ($value) + Mb_strlen ($value, ' UTF8 '))/2;
  157. if ($length < $minLength | | $length > $maxLength)
  158. {
  159. $this->msg[] = $field. ' Isnotinlength ';
  160. return false;
  161. }
  162. return true;
  163. }
  164. }
  165. if ($_post[' submit '))
  166. {
  167. $form = new Lib_form ();
  168. $post [' name '] = Array (' value ' =>$_post[' name '], ' valid ' = ' checklength6-12 ');
  169. $post [' pwd '] = Array (' value ' =>$_post[' pwd '], ' valid ' = ' checklength4-12 ');
  170. $post [' Sex ']= array (' value ' =>$_post[' sex '], ' valid ' = ' hasset ');
  171. $ret = $form->validata ($post);
  172. if ($ret [' Code '])
  173. {
  174. echo $ret [' msg '];
  175. }
  176. }
  177. ?>
Copy Code
  1. Class Lib_image
  2. {
  3. Private $height = 0;
  4. Private $width = 0;
  5. Public function __construct ($height, $width)
  6. {
  7. $this->height = $height;
  8. $this->width = $width;
  9. }
  10. Private Function Gencode ($num)
  11. {
  12. for ($i =0; $i < $num; $i + +)//Generate Verification code
  13. {
  14. Switch (rand (0,2))
  15. {
  16. Case 0: $code [$i]=CHR (rand (48,57)); break;//number
  17. Case 1: $code [$i]=CHR (rand (65,90)); break;//Capital Letter
  18. Case 2: $code [$i]=CHR (rand (97,122)); break;//Small Letter
  19. }
  20. }
  21. $_session["Verifycode"]= $code;
  22. return $code;
  23. }
  24. Private Function Genother ($image)
  25. {
  26. for ($i =0; $i <80; $i + +)//Generate interference pixels
  27. {
  28. $dis _color=imagecolorallocate ($image, Rand (0,2555), Rand (0,255), Rand (0,255));
  29. Imagesetpixel ($image, rand (1, $this->width), rand (1, $this->height), $dis _color);
  30. }
  31. }
  32. Public Function Verycode ()
  33. {
  34. $image =imagecreate ($this->width, $this->height);
  35. Imagecolorallocate ($image, 255,255,255);
  36. $this->genother ($image);
  37. $num = 4;
  38. $code = $this->gencode ($num);
  39. for ($i =0; $i < $num; $i + +)//print character to image
  40. {
  41. $char _color=imagecolorallocate ($image, Rand (0,2555), Rand (0,255), Rand (0,255));
  42. Imagechar ($image, Max, ($this->width/$num) * $i, Rand (0,5), $code [$i], $char _color);
  43. }
  44. Header ("Content-type:image/png");
  45. Imagepng ($image);//output image to browser
  46. Imagedestroy ($image);//Release resources
  47. }
  48. }
  49. $image = new Lib_image (25, 65);
  50. $image->verycode ();
  51. ?>
Copy Code
  1. Class Lib_log
  2. {
  3. Private $logError = 0;
  4. Private $logWarn = 1;
  5. Private $logDebug = 2;
  6. Private $logDir = ' log/';
  7. Private $logFile = ' log ';
  8. Private $fileExt = '. txt ';
  9. Private $fileHander = null;
  10. Public Function __construct ()
  11. {
  12. if (!is_dir ($this->logdir)) {
  13. mkdir ($this->logdir,0777);
  14. }
  15. $this->logfile. = Date (' y-m-d '). $this->fileext;
  16. if (! $this->filehander = @fopen ($this->logdir. $this->logfile, ' A + ')) {
  17. Die (' The log file can is not open! ');
  18. }
  19. }
  20. Public Function Writelog ($message)
  21. {
  22. $ip = isset ($_server[' remote_addr ')? $_server[' remote_addr ': ' 0.0.0.0 ';
  23. $debug = Debug_backtrace (true);
  24. $string = Date (' y-m-d h:i:s '). " \ t ";
  25. $string. = $ip. " \ t ";
  26. $string. = $debug [0][' file ']. " \ t ";
  27. $string. = "\tline". $debug [0][' line ']. \ t ";
  28. $string. = Json_encode ($message). " \ r \ n ";
  29. if (!fwrite ($this->filehander, $string)) {
  30. Die (' The log file can is not written! ');
  31. }
  32. }
  33. Public Function __destruct ()
  34. {
  35. if ($this->filehander!=null) {
  36. Fclose ($this->filehander);
  37. }
  38. }
  39. }
  40. $log = new Lib_log ();
  41. $log->writelog (' the error debug! ');
  42. echo "";
  43. ?>
Copy Code
  1. Class Lib_page
  2. {
  3. Public $currentPage =0;//Current page
  4. Private $totalPage =0;//Total pages
  5. Private $totalNums = 0; Total Record Count
  6. Private $perNums =0;//The number of records displayed per page
  7. Private $type = 0;//Display Type
  8. Public function __construct ($totalNums, $perNums, $type =0)
  9. {
  10. $this->totalnums= intval ($totalNums);
  11. $this->pernums= intval ($perNums);
  12. $this->totalpage=intval (ceil ($this->totalnums/$this->pernums));
  13. $this->currentpage= min (max (1, $_request[' P ']), $this->totalpage);
  14. $this->type =intval ($type);
  15. }
  16. Private Function First ()
  17. {
  18. if ($this->currentpage==1) return false;
  19. Return "Home";
  20. }
  21. Private Function Last ()
  22. {
  23. if ($this->currentpage== $this->totalpage) return false;
  24. Return "Totalpage} ' > last";
  25. }
  26. Private Function Next ()
  27. {
  28. $p = min ($this->currentpage+1, $this->totalpage);
  29. if ($p = = $this->totalpage) return false;
  30. Return "Next page";
  31. }
  32. Private Function prev ()
  33. {
  34. $p = max (1, $this->currentpage-1);
  35. if ($p ==1) return false;
  36. Return "Previous page";
  37. }
  38. Private Function Total ()
  39. {
  40. Return " Total {$this->totalpage} page | {$this->totalnums} records | Current {$this->currentpage} page ";
  41. }
  42. Private Function page ()
  43. {
  44. $show = "";
  45. for ($i =1; $i <= $this->totalpage; $i +) {
  46. if ($i = = $this->currentpage)
  47. $show. = "{$i}";
  48. Else
  49. $show. = "{$i}";
  50. }
  51. return $show;
  52. }
  53. Public Function Show ()
  54. {
  55. if ($this->type==1) {
  56. return $this->total (). ' '. $this->page ();
  57. }else if ($this->type==2) {
  58. return $this->total (). ' '. $this->first (). ' '. $this->prev (). ' '. $this->next (). ' '. $this->last ();
  59. }elseif ($this->type==0) {
  60. return $this->total (). ' '. $this->first (). ' '. $this->prev (). ' '. $this->page (). ' '. $this->next (). ' '. $this->last ();
  61. }
  62. }
  63. }
  64. $totalNums = 80;
  65. $perNums = 10;
  66. $page = new Lib_page ($totalNums, $perNums);
  67. echo $page->show ();
  68. ?>
Copy Code
  1. Class Lib_tree
  2. {
  3. Private $items = Array ();
  4. Private $icon = Array (
  5. ' ├ ',
  6. ' ├ ',
  7. ' ├ ',
  8. ' ├ ',
  9. ' ├ ',
  10. ' └ ',
  11. );
  12. Private $field = array (' id ', ' name ');
  13. Public $ret = '
  14. $this->ret.= '
  15. $this->ret.= '
  16. $this->ret.= '
  17. $this->show ($child [' id ']);
  18. ';
  19. Public function __construct ($items)
  20. {
  21. $this->items = $items;
  22. }
  23. Public Function SetIcon ($icon)
  24. {
  25. $this->icon = $icon;
  26. }
  27. Public Function GetChildren ($pid)
  28. {
  29. foreach ($this->items as $item)
  30. {
  31. if ($item [' pid ']== $pid)
  32. {
  33. $children [] = $item;
  34. }
  35. }
  36. return $children && Is_array ($children)? $children: false;
  37. }
  38. Public Function getParent ($id)
  39. {
  40. return $this->items[$this->items[$id] [' pid '];
  41. }
  42. Public function Show ($PID)
  43. {
  44. $children = $this->getchildren ($pid);
  45. if (! $children) return false;
  46. foreach ($children as $child)
  47. {
  48. $this->ret.= '
  49. '; '; '; ';
  50. }
  51. }
  52. }
  53. $items = Array (
  54. Array (' ID ' =>1, ' name ' = ' Hubei ', ' pid ' =>0, ' Level ' =>0),
  55. Array (' ID ' =>2, ' name ' = ' Wuhan ', ' pid ' =>1, ' Level ' =>1),
  56. Array (' ID ' =>3, ' name ' = ' Xiaogan ', ' pid ' =>1, ' Level ' =>1),
  57. Array (' ID ' =>4, ' name ' = ' Guangdong ', ' pid ' =>0, ' Level ' =>0),
  58. Array (' ID ' =>5, ' name ' = ' Guangzhou ', ' pid ' =>4, ' Level ' =>1),
  59. Array (' ID ' =>6, ' name ' = ' Shenzhen ', ' pid ' =>4, ' Level ' =>1),
  60. Array (' ID ' =>7, ' name ' = ' Dongguan ', ' pid ' =>4, ' Level ' =>1),
  61. Array (' ID ' =>8, ' name ' = ' Yichang ', ' pid ' =>1, ' Level ' =>1),
  62. Array (' ID ' =>9, ' name ' = ' Yunmeng ', ' pid ' =>3, ' Level ' =>2),
  63. Array (' ID ' =>10, ' name ' = ' Nanshan ', ' pid ' =>6, ' Level ' =>2),
  64. Array (' ID ' =>11, ' name ' = ' bao security ', ' pid ' =>6, ' Level ' =>2),
  65. Array (' ID ' =>12, ' name ' = = ' inverted shop ', ' pid ' =>9, ' Level ' =>3),
  66. Array (' ID ' =>13, ' name ' = ' Mrs Law Brigade ', ' pid ' =>12, ' Level ' =>4),
  67. Array (' ID ' =>14, ' name ' = ' + ' under Fan Cun ', ' pid ' =>13, ' Level ' =>5),
  68. );
  69. $tree = new Lib_tree ($items);
  70. $tree->show (0);
  71. Echo $tree->ret;
  72. ?> Copy Code
  73. class name Operation
    '. $this->icon[$child [' Level ']. $child [' name ']. 'Remove Add modifications

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