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PHP regular replacement method for processing HTML pages, PHP replaces HTML pages_PHP tutorial
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PHP regular replacement method for processing HTML pages, PHP replaces HTML pages_PHP tutorial
PHP regular replacement method for processing HTML pages, PHP replaces HTML pages_PHP tutorial
html
php
string
regular
How to process HTML pages with php regular replacement, replace html pages with php
The example in this article describes the method of processing HTML pages with php regular replacement. Share it with everyone for your reference. The details are as follows:
<?php
if(!defined('BASEPATH')) exit('No direct script access allowed');
/**
* HTML替换处理类，考虑如下几种替换
* 1. img src : '/<img(.+?)src=([\'\" ])?(.+?)([ >]+?)/i'
* 2. a href : '/<a(.+?)href=([\'\" ])?(.+?)([ >]+?)/i'
* 3. ifram.src : '/<iframe(.+?)src=([\'\" ])?(.+?)([ >]+?)/i'
* 4. frame src : '/<frame(.+?)src=([\'\" ])?(.+?)([ >]+?)/i'
* 5. js : '/window.open([( ]+?)([\'" ]+?)(.+?)([ )+?])/i'
* 6. css : '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i'
*/
class Myreplace {
private $moudle_array = array('udata','tdata','tresult','dresult');
private $content;
private $relative_dirname;
private $projectid;
private $moudle;
function __construct() {
$this->CI = &get_instance ();
}
/**
* 替换
* @param string $content HTML内容
* @param string $relative 相对路径
* @param int $projectid 项目id
* @moudle string $moudle 模板标识: udata,tdata,tresult,dresult
*/
public function my_replace($content,$relative,$projectid,$moudle) {
$this->content = $content;
$this->relative_dirname = $relative;
$this->projectid = $projectid;
if(in_array(strtolower($moudle),$this->moudle_array))
$this->moudle = $moudle;
else exit;
switch($this->moudle) {
case 'udata':
$this->CI->load->model('mupload_data','model');
break;
case 'tdata':
$this->CI->load->model('taskdata','model');
break;
case 'tresult':
$this->CI->load->model('taskresult','model');
break;
case 'dresult':
$this->CI->load->model('dmsresult','model');
break;
default:
break;
}
$pattern = '/<img(.+?)src=([\'\" ])?(.+?)([ >]+?)/i';
$content = preg_replace_callback( $pattern, array($this, 'image_replace') , $content );
$pattern = '/<a(.+?)href=([\'\" ])?(.+?)([ >]+?)/i';
$content = preg_replace_callback( $pattern, array($this, 'html_replace') , $content );
$pattern = '/<iframe(.+?)src=([\'\" ])?(.+?)([ >]+?)/i';
$content = preg_replace_callback( $pattern, array($this, 'iframe_replace') , $content );
$pattern = '/<frame(.+?)src=([\'\" ])?(.+?)([ >]+?)/i';
$content = preg_replace_callback( $pattern, array($this, 'frame_replace'), $content );
$pattern = '/window.open([( ]+?)([\'" ]+?)(.+?)([ )]+?)/i';
$content = preg_replace_callback( $pattern, array($this, 'js_replace'), $content );
$pattern = '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i';
$content = preg_replace_callback( $pattern, array($this, 'css_replace'), $content);
return $content;
}
private function image_replace($matches) {
if(count($matches) < 4) return '';
if( empty($matches[3]) ) return '';
$matches[3] = rtrim($matches[3],'\'"/');
//获取图片的id
$parent_dir_num = substr_count( $matches[3], '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');
$image_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($image_id) ) {
if($this->moudle == 'dresult') {
return "<img".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readpic/$image_id?pid=".$this->projectid .$matches[2]. $matches[4];
} else {
return "<img".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/picfile/$image_id?pid=".$this->projectid .$matches[2]. $matches[4];
}
} else {
return "<img".$matches[1]."src=".$matches[2].$matches[3].$matches[2].$matches[4];
}
}
private function html_replace( $matches ) {
if(count($matches) < 4) return '';
if( empty($matches[3]) ) return '';
//如果href的链接($matches[3])以http或www或mailto开始，则不进行处理
//if(preg_match('/^[http|www|mailto](.+?)/i',$matches[3]))
// return "<a".$matches[1]."href=".$matches[2].$matches[3].$matches[4];
$matches[3] = rtrim($matches[3],'\'"/');
//处理锚点
if(substr_count($matches[3],'#')>0)
$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
//获取html的id
$parent_dir_num = substr_count( $matches[3], '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');
$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($txtfile_id ) ) {
if($this->moudle == 'dresult') {
return "<a".$matches[1]."href=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];
} else {
return "<a".$matches[1]."href=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];
}
} else {
return "<a".$matches[1]."href=".$matches[2].$matches[3].$matches[2].$matches[4];
}
}
private function iframe_replace( $matches ) {
if(count($matches) < 4) return '';
if( empty($matches[3]) ) return '';
$matches[3] = rtrim($matches[3],'\'"/');
//处理锚点
if(substr_count($matches[3],'#')>0)
$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
//获取html的id
$parent_dir_num = substr_count( $matches[3], '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');
$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($txtfile_id ) ) {
if($this->moudle == 'dresult') {
return "<iframe".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];
} else {
return "<iframe".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];
}
} else {
return "<iframe".$matches[1]."src=".$matches[2].$matches[3].$matches[2].$matches[4];
}
}
private function frame_replace( $matches ) {
if(count($matches) < 4) return '';
if( empty($matches[3]) ) return '';
$matches[3] = rtrim($matches[3],'\'"/');
//处理锚点
if(substr_count($matches[3],'#')>0)
$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
//获取html的id
$parent_dir_num = substr_count( $matches[3], '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');
$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($txtfile_id ) ) {
if($this->moudle == 'dresult') {
return "<frame".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid.$matches[2].$matches[4];
} else {
return "<frame".$matches[1]."src=".$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid.$matches[2].$matches[4];
}
} else {
return "<frame".$matches[1]."src=".$matches[2].$matches[3].$matches[2].$matches[4];
}
}
private function js_replace( $matches ){
if(count($matches) < 4) return '';
if( empty($matches[3]) ) return '';
//处理链接
$arr_html = split(',',$matches[3]);
$href = $arr_html[0];
$other = '';
for($i=0; $i<count($arr_html); $i++)
$other = $arr_html[$i].", ";
$other = rtrim($other,"\, ");
$href =rtrim($href,'\'\"');
//处理锚点
if(substr_count($href,'#')>0)
return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];;
//获取html的id
$parent_dir_num = substr_count( $href, '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($href,'./');
$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($txtfile_id ) ) {
if($this->moudle == 'dresult') {
return "window.open".$matches[1].$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid.$matches[2].','.$other.$matches[4];
} else {
return "window.open".$matches[1].$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid.$matches[2].','.$other.$matches[4];
}
} else {
return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];
}
}
private function css_replace( $matches ) {
if(count($matches) < 5) return '';
if( empty($matches[4]) ) return '';
$matches[4] = rtrim($matches[4],'\'"/');
//获取图片的id
$parent_dir_num = substr_count( $matches[4], '../');
$relative_dirname = $this->relative_dirname;
for($i=0; $i<$parent_dir_num; $i++) {
$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );
}
$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[4],'./');
$image_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);
//输出
if( !empty($image_id) ) {
if($this->moudle == 'dresult') {
return "background".$matches[1]."url".$matches[2].$matches[3].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readpic/$image_id?pid=".$this->projectid .$matches[3]. $matches[5];
} else {
return "background".$matches[1]."url".$matches[2].$matches[3].$this->CI->config->item("base_url")."cdms/".$this->moudle."/picfile/$image_id?pid=".$this->projectid .$matches[3]. $matches[5];
}
} else {
return "background".$matches[1]."url".$matches[2].$matches[3].$matches[4].$matches[3].$matches[5];
}
}
}
/* End of Myreplace.php */
/* Location: /application/libraries/Myreplace.php */
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