php公用函数列表[正则]

复制代码 代码如下:

  <?php

  /*********************************************************************

  * 公用函数列表

  * ubb,getip,GoIn,goback,IsInt,InString

  * OurHome:http://iwind.org

  * http://10.13.31.90/~coldwind

  *

  * */

  /////////////////ubb支持代码函数////////////////////////////

  function ubb($Text) {

  $Text=trim($Text);

  $Text=htmlspecialchars($Text);

  $Text=ereg_replace("\n","<br>",$Text);

  $Text=preg_replace("/\\t/is","  ",$Text);

  $Text=preg_replace("/\[h1\](.+?)\[\/h1\]/is","<h1>\\1</h1>",$Text);

  $Text=preg_replace("/\[h2\](.+?)\[\/h2\]/is","<h2>\\1</h2>",$Text);

  $Text=preg_replace("/\[h3\](.+?)\[\/h3\]/is","<h3>\\1</h3>",$Text);

  $Text=preg_replace("/\[h4\](.+?)\[\/h4\]/is","<h4>\\1</h4>",$Text);

  $Text=preg_replace("/\[h5\](.+?)\[\/h5\]/is","<h5>\\1</h5>",$Text);

  $Text=preg_replace("/\[h6\](.+?)\[\/h6\]/is","<h6>\\1</h6>",$Text);

  $Text=preg_replace("/\[center\](.+?)\[\/center\]/is","<center>\\1</center>",$Text);

  $Text=preg_replace("/\[url\](http:\/\/.+?)\[\/url\]/is","<a href=\\1>\\1</a>",$Text);

  $Text=preg_replace("/\[url\](.+?)\[\/url\]/is","<a href=\"http://\\1\">http://\\1</a>",$Text);

  $Text=preg_replace("/\[url=(http:\/\/.+?)\](.*)\[\/url\]/is","<a href=\\1>\\2</a>",$Text);

  $Text=preg_replace("/\[url=(.+?)\](.*)\[\/url\]/is","<a href=http://\\1>\\2</a>",$Text);

  $Text=preg_replace("/\[img\](.+?)\[\/img\]/is","<img src=\\1>",$Text);

  $Text=preg_replace("/\[color=(.+?)\](.+?)\[\/color\]/is","<font color=\\1>\\2</font>",$Text);

  $Text=preg_replace("/\[size=(.+?)\](.+?)\[\/size\]/is","<font size=\\1>\\2</font>",$Text);

  $Text=preg_replace("/\[sup\](.+?)\[\/sup\]/is","<sup>\\1</sup>",$Text);

  $Text=preg_replace("/\[sub\](.+?)\[\/sub\]/is","<sub>\\1</sub>",$Text);

  $Text=preg_replace("/\[pre\](.+?)\[\/pre\]/is","<pre>\\1</pre>",$Text);

  $Text=preg_replace("/\[email\](.+?)\[\/email\]/is","<a href=\\1>\\1</a>",$Text);

  $Text=preg_replace("/\[i\](.+?)\[\/i\]/is","<i>\\1</i>",$Text);

  $Text=preg_replace("/\[b\](.+?)\[\/b\]/is","<b>\\1</b>",$Text);

  $Text=preg_replace("/\[quote\](.+?)\[\/quote\]/is","<blockquote><font size='1' face='Courier New'>quote:</font><hr>\\1<hr></blockquote>", $Text);

  $Text=preg_replace("/\[code\](.+?)\[\/code\]/is","<blockquote><font size='1' face='Times New Roman'>code:</font><hr color='lightblue'><i>\\1</i><hr color='lightblue'></blockquote>", $Text);

  $Text=preg_replace("/\[sig\](.+?)\[\/sig\]/is","<div style='text-align: left; color: darkgreen; margin-left: 5%'><br><br>--------------------------<br>\\1<br>--------------------------</div>", $Text);

  return $Text;

  }

  ////////////////取得浏览者的ip地址/////////////////////////////

  function getip() {

  $IP=getenv('REMOTE_ADDR');

  $IP_ = getenv('HTTP_X_FORWARDED_FOR');

  if (($IP_ != "") && ($IP_ != "unknown")) $IP=$IP_;

  return $IP;

  }

  function goback($num,$saying){

  echo"<table align=\"center\"><tr><td><a href=\"javascript:history.go(-1)\">$saying</a>";

  }

  ///////////////////判断字符串中是否含有array中的某一值/////////////////

  function InString($array,$string){

  while(list(,$value)=each($array)){

  if(eregi($value,$string)){

  return true;

  exit;

  }

  }

  }

  ////////////////////链接到某一页面///////////////////////////////////////

  function GoIn($addr,$saying){

  echo"<table align=\"center\"><tr><td><a href=\"$addr\">$saying</a></td></tr></table>";

  }

  ////////////////////JS返回//////////////////////////////////////////////

  function IsInt($string){

  if(ereg("^[0-9]{0,}$",$string)){

  return true;

  }

  else {

  return false;

  }

  }

  ?>