1. 获取所有链接内容和地址 
  2. function getAllURL($code){ 
  3. preg_match_all('/<as+href=["|']?([^>"' ]+)["|']?s*[^>]*>([^>]+)</a>/i',$code,$arr); 
  4. return array('name'=>$arr[2],'url'=>$arr[1]); 
  5. 获取所有的图片地址 
  6. function getImgSrc($code){ 
  7. $reg = "/]*src="(http://(.+)/(.+).(jpg|gif|bmp|bnp|png))"/isU"; 
  8. preg_match_all($reg$code$img_array, PREG_PATTERN_ORDER); 
  9. return $img_array[1]; 
  10. 当前的脚本网址 
  11. function getSelfURL(){ 
  12. if(!emptyempty($_SERVER["REQUEST_URI"])){ 
  13. $scriptName = $_SERVER["REQUEST_URI"]; 
  14. $nowurl = $scriptName
  15. }else
  16. $scriptName = $_SERVER["PHP_SELF"]; 
  17. if(emptyempty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName
  18. else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"]; 
  19. return $nowurl
  20. 把全角数字转为半角数字 
  21. function getAlabNum($fnum){ 
  22. $nums = array("0","1","2","3","4","5","6","7","8","9"); 
  23. $fnums = "0123456789"
  24. for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum); 
  25. $fnum = ereg_replace("[^0-9.]|^0{1,}","",$fnum); 
  26. if($fnum==""$fnum=0; 
  27. return $fnum
  28. 去除HTML标记 
  29. function text2Html($txt){ 
  30. $txt = str_replace(" "," ",$txt); 
  31. $txt = str_replace("<","<",$txt); 
  32. $txt = str_replace(">",">",$txt); 
  33. $txt = preg_replace("/[rn]{1,}/isU","<br/>rn",$txt); 
  34. return $txt
  35. 清除HTML标记 
  36. function clearHtml($str){ 
  37. $str = str_replace('<','<',$str); 
  38. $str = str_replace('>','>',$str); 
  39. return $str
  40. 相对路径转化成绝对路径 
  41. function relative2Absolute($content$feed_url) { 
  42. preg_match('/(http|https|ftp):///'$feed_url$protocol); 
  43. $server_url = preg_replace("/(http|https|ftp|news):///"""$feed_url); 
  44. $server_url = preg_replace("//.*/"""$server_url); 
  45. if ($server_url == '') { 
  46. return $content
  47. if (isset($protocol[0])) { 
  48. $new_content = preg_replace('/href="//''href="'.$protocol[0].$server_url.'/'$content); 
  49. $new_content = preg_replace('/src="//''src="'.$protocol[0].$server_url.'/'$new_content); 
  50. else { 
  51. $new_content = $content
  52. return $new_content
  53. 获取指定标记中的内容 
  54. function getTagData($str$start$end){ 
  55. if ( $start == '' || $end == '' ){ 
  56. return
  57. $str = explode($start$str); 
  58. $str = explode($end$str[1]); 
  59. return $str[0]; 
  60. HTML表格的每行转为CSV格式数组 
  61. function getTrArray($table) { 
  62. $table = preg_replace("'<td[^>]*?>'si",'"',$table); 
  63. $table = str_replace("</td>",'",',$table); 
  64. $table = str_replace("</tr>","{tr}",$table); 
  65. //去掉 HTML 标记 
  66. $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table); 
  67. //去掉空白字符 
  68. $table = preg_replace("'([rn])[s]+'","",$table); 
  69. $table = str_replace(" ","",$table); 
  70. $table = str_replace(" ","",$table); 
  71. $table = explode(",{tr}",$table); 
  72. array_pop($table); 
  73. return $table
  74. 将HTML表格的每行每列转为数组,采集表格数据 
  75. function getTdArray($table) { 
  76. $table = preg_replace("'<table[^>]*?>'si","",$table); 
  77. $table = preg_replace("'<tr[^>]*?>'si","",$table); 
  78. $table = preg_replace("'<td[^>]*?>'si","",$table); 
  79. $table = str_replace("</tr>","{tr}",$table); 
  80. $table = str_replace("</td>","{td}",$table); 
  81. //去掉 HTML 标记 
  82. $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table); 
  83. //去掉空白字符 
  84. $table = preg_replace("'([rn])[s]+'","",$table); 
  85. $table = str_replace(" ","",$table); 
  86. $table = str_replace(" ","",$table); 
  87. $table = explode('{tr}'$table); 
  88. array_pop($table); 
  89. foreach ($table as $key=>$tr) { 
  90. $td = explode('{td}'$tr); 
  91. array_pop($td); 
  92. $td_array[] = $td
  93. return $td_array
  94. 返回字符串中的所有单词 $distinct=true 去除重复 
  95. function splitEnStr($str,$distinct=true) { 
  96. preg_match_all('/([a-zA-Z]+)/',$str,$match); 
  97. if ($distinct == true) { 
  98. $match[1] = array_unique($match[1]); 
  99. sort($match[1]); 
  100. return $match[1]; 
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