PHP采集程序中常用的函数
来源:程序员人生 发布时间:2013-10-10 03:46:27 阅读次数:3091次
函数描述及例子 PHP采集程序中常用的函数 查询关键字 PHP采集程序中常用的函数 -
- function get_php_url(){
- if(!emptyempty($_SERVER["REQUEST_URI"])){
- $scriptName = $_SERVER["REQUEST_URI"];
- $nowurl = $scriptName;
- }else{
- $scriptName = $_SERVER["PHP_SELF"];
- if(emptyempty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
- else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
- }
- return $nowurl;
- }
-
- function GetAlabNum($fnum){
- $nums = array("0","1","2","3","4","5","6","7","8","9");
- $fnums = "0123456789";
- for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);
- $fnum = ereg_replace("[^0-9.]|^0{1,}","",$fnum);
- if($fnum=="") $fnum=0;
- return $fnum;
- }
-
- function Text2Html($txt){
- $txt = str_replace(" "," ",$txt);
- $txt = str_replace("<","<",$txt);
- $txt = str_replace(">",">",$txt);
- $txt = preg_replace("/[]{1,}/isU","
- ",$txt);
- return $txt;
- }
-
- function ClearHtml($str){
- $str = str_replace('<','<',$str);
- $str = str_replace('>','>',$str);
- return $str;
- }
-
- function relative_to_absolute($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 $new_content;
- }
-
- function get_all_url($code){
- preg_match_all('/<as+href=["|']?([^>"' ]+)["|']?s*[^>]*>([^>]+)</a>/i',$code,$arr);
- return array('name'=>$arr[2],'url'=>$arr[1]);
- }
-
- function get_tag_data($str, $start, $end){
- if ( $start == '' || $end == '' ){
- return;
- }
- $str = explode($start, $str);
- $str = explode($end, $str[1]);
- return $str[0];
- }
-
- function get_tr_array($table) {
- $table = preg_replace("'<td[^>]*?>'si",'"',$table);
- $table = str_replace("",'",',$table);
- $table = str_replace("","{tr}",$table);
-
- $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table);
-
- $table = preg_replace("'([])[s]+'","",$table);
- $table = str_replace(" ","",$table);
- $table = str_replace(" ","",$table);
- $table = explode(",{tr}",$table);
- array_pop($table);
- return $table;
- }
-
- function get_td_array($table) {
- $table = preg_replace("'<table[^>]*?>'si","",$table);
- $table = preg_replace("'<tr[^>]*?>'si","",$table);
- $table = preg_replace("'<td[^>]*?>'si","",$table);
- $table = str_replace("","{tr}",$table);
- $table = str_replace("","{td}",$table);
-
- $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table);
-
- $table = preg_replace("'([])[s]+'","",$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 $td_array;
- }
-
- function split_en_str($str,$distinct=true) {
- preg_match_all('/([a-zA-Z]+)/',$str,$match);
- if ($distinct == true) {
- $match[1] = array_unique($match[1]);
- }
- sort($match[1]);
- return $match[1];
- }
-
- 函数描述及例子
-
- PHP采集程序中常用的函数
-
- 查询关键字
-
- PHP采集程序中常用的函数
- <!--?
-
- function get_php_url(){
- if(!emptyempty($_SERVER["REQUEST_URI"])){
- $scriptName = $_SERVER["REQUEST_URI"];
- $nowurl = $scriptName;
- }else{
- $scriptName = $_SERVER["PHP_SELF"];
- if(emptyempty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
- else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
- }
- return $nowurl;
- }
-
- function GetAlabNum($fnum){
- $nums = array("0","1","2","3","4","5","6","7","8","9");
- $fnums = "0123456789";
- for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);
- $fnum = ereg_replace("[^0-9.]|^0{1,}","",$fnum);
- if($fnum=="") $fnum=0;
- return $fnum;
- }
-
- function Text2Html($txt){
- $txt = str_replace(" "," ",$txt);
- $txt = str_replace("<","<",$txt);
- $txt = str_replace("-->",">",$txt);
- $txt = preg_replace("/[]{1,}/isU","
- ",$txt);
- return $txt;
- }
-
- function ClearHtml($str){
- $str = str_replace('<','<',$str);
- $str = str_replace('>','>',$str);
- return $str;
- }
-
- function relative_to_absolute($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 $new_content;
- }
-
- function get_all_url($code){
- preg_match_all('/<as+href=["|']?([^>"' ]+)["|']?s*[^>]*>([^>]+)</a>/i',$code,$arr);
- return array('name'=>$arr[2],'url'=>$arr[1]);
- }
-
- function get_tag_data($str, $start, $end){
- if ( $start == '' || $end == '' ){
- return;
- }
- $str = explode($start, $str);
- $str = explode($end, $str[1]);
- return $str[0];
- }
-
- function get_tr_array($table) {
- $table = preg_replace("'<td[^>]*?>'si",'"',$table);
- $table = str_replace("",'",',$table);
- $table = str_replace("","{tr}",$table);
-
- $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table);
-
- $table = preg_replace("'([])[s]+'","",$table);
- $table = str_replace(" ","",$table);
- $table = str_replace(" ","",$table);
- $table = explode(",{tr}",$table);
- array_pop($table);
- return $table;
- }
-
- function get_td_array($table) {
- $table = preg_replace("'<table[^>]*?>'si","",$table);
- $table = preg_replace("'<tr[^>]*?>'si","",$table);
- $table = preg_replace("'<td[^>]*?>'si","",$table);
- $table = str_replace("","{tr}",$table);
- $table = str_replace("","{td}",$table);
-
- $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table);
-
- $table = preg_replace("'([])[s]+'","",$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 $td_array;
- }
-
- function split_en_str($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];
- }
-
- </td[^></tr[^></table[^></td[^></as+href=["|']?([^></td[^></tr[^></table[^></td[^></as+href=["|']?([^>
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