[PHP]实用函数3

只看该作者 · 发表于 2018-2-14 09:24:37

         //获得当前的脚本网址
[U]复制代码[/U] 代码如下:
function get_php_url(){
      if(!empty($_server["REQUEST_URI"])){
            $scriptName = $_SERVER["REQUEST_URI"];
            $nowurl = $scriptName;
      }else{
            $scriptName = $_SERVER["

HP_SELF"];
            if(empty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
            else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
      }
      return $nowurl;
}
//把全角数字转为半角数字
[U]复制代码[/U] 代码如下:
function GetAlabNum($fnum){
      $nums = array("０","１","２","３","４","５","６","７","８","９");
      $fnums = "0123456789";
      for($i=0;$i
//去除HTML标记
[U]复制代码[/U] 代码如下:
function Text2Html($txt){
      $txt = str_replace("  ","　",$txt);
      $txt = str_replace("",">",$txt);
      $txt = preg_replace("/[\r\n]{1,}/isU","
\r\n",$txt);
      return $txt;
}
//清除HTML标记
[U]复制代码[/U] 代码如下:
function ClearHtml($str){
      $str = str_replace('','>',$str);
      return $str;
}
//相对路径转化成绝对路径
[U]复制代码[/U] 代码如下:
function relative_to_absolute($content, $feed_url) {
preg_match('/(http|https|ftp):\/\//', $feed_url, $protocol);
$server_url = preg_replace("/(http|https|ftp|news):\/\//", "", $feed_url);
$server_url = preg_replace("/\/.*/", "", $server_url);
if ($server_url == '') {
      return $content;
}
if (isset($protocol[0])) {
      $new_content = preg_replace('/href="\//', 'href="'.$protocol[0].$server_url.'/', $content);
      $new_content = preg_replace('/src="\//', 'src="'.$protocol[0].$server_url.'/', $new_content);
} else {
      $new_content = $content;
}
return $new_content;
}
//取得所有链接
[U]复制代码[/U] 代码如下:
function get_all_url($code){
      preg_match_all('/[url=]"\' ]+)["|\']?\s*[^>]*>([^>]+)/i',$code,$arr);
      return array('name'=>$arr[2],'url'=>$arr[1]);
}
//HTML表格的每行转为CSV格式数组
[U]复制代码[/U][/url] 代码如下:
function get_tr_array($table) {
      $table = preg_replace("'[td]]*?>'si",'"',$table);
      $table = str_replace("[/td]",'",',$table);
      $table = str_replace("[/tr]","{tr}",$table);
function get_tr_array($table) {
      $table = preg_replace("'[td]]*?>'si",'"',$table);
      $table = str_replace("[/td]",'",',$table);
      $table = str_replace("[/tr]","{tr}",$table);
      //去掉 HTML 标记
      $table = preg_replace("']*?>'si","",$table);
      //去掉空白字符
      $table = preg_replace("'([\r\n])[\s]+'","",$table);
      $table = str_replace(" ","",$table);
      $table = str_replace(" ","",$table);
      $table = explode(",{tr}",$table);
      array_pop($table);
      return $table;
}

//将HTML表格的每行每列转为数组，采集表格数据
[U]复制代码[/U] 代码如下:
function get_td_array($table) {
      $table = preg_replace("'[table]]*?>'si","",$table);
      $table = preg_replace("'[tr]]*?>'si","",$table);
      $table = preg_replace("'[td]]*?>'si","",$table);
      $table = str_replace("[/tr]","{tr}",$table);
      $table = str_replace("[/td]","{td}",$table);
      //去掉 HTML 标记
      $table = preg_replace("']*?>'si","",$table);
      //去掉空白字符
      $table = preg_replace("'([\r\n])[\s]+'","",$table);
      $table = str_replace(" ","",$table);
      $table = str_replace(" ","",$table);
      $table = explode('{tr}', $table);
      array_pop($table);
      foreach ($table as $key=>$tr) {
            $td = explode('{td}', $tr);
            array_pop($td);
         $td_array[] = $td;
      }
      return $td_array;
}
//返回字符串中的所有单词 $distinct=true 去除重复
[U]复制代码[/U] 代码如下:
function split_en_str($str,$distinct=true) {
      preg_match_all('/([a-zA-Z]+)/',$str,$match);
      if ($distinct == true) {
            $match[1] = array_unique($match[1]);
      }
      sort($match[1]);
      return $match[1];
}


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