PHP regular replacement method for processing HTML pages_PHP tutorial

How to process HTML pages with php regular replacement

This article describes the method of using php regular replacement to process HTML pages. Share it with everyone for your reference. The details are as follows:

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if(!defined('BASEPATH')) exit('No direct script access allowed'); /** * HTML replacement processing class, consider the following replacements * 1. img src : '/] ?)/i' * 2. a href : '/] ?)/i' * 3. ifram.src : '/ * 4. 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 (); } /** * replaces * @param string $content HTML content * @param string $relative relative path * @param int $projectid project id * @moudle string $moudle template identifier: udata,tdata,tresult,dresult */ public function my_replace($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 = '/] ?)/i'; $content = preg_replace_callback( $pattern, array($this, 'image_replace') , $content ); $pattern = '/] ?)/i'; $content = preg_replace_callback( $pattern, array($this, 'html_replace') , $content ); $pattern = '/ $content = preg_replace_callback( $pattern, array($this, 'iframe_replace') , $content ); $pattern = '/] ?)/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($matches) if( empty($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 $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($this->moudle == 'dresult') { return "moudle."/readpic/$image_id?pid=".$this->projectid .$matches[2]. $matches[4]; } else { return "moudle."/picfile/$image_id?pid=".$this->projectid .$matches[2]. $matches[4]; } } else { return " if( empty($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 " $matches[3] = rtrim($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 $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($this->moudle == 'dresult') { return "CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4]; } else { return "CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4]; } } else { return " } } private function iframe_replace( $matches ) { if(count($matches) 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 $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 " } else { return " } } else { return "

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http://www.bkjia.com/PHPjc/1018377.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/1018377.htmlTechArticlephp正则替换处理HTML页面的方法 本文实例讲述了php正则替换处理HTML页面的方法。分享给大家供大家参考。具体如下： ? 1 2 3 4 5 6 7 8 9 10 11...