Php regular expression replacement method for processing HTML pages _ PHP Tutorial

Php regular expression replacement method for processing HTML pages. Php regular expression replacement for processing HTML pages this article describes how php regular expression replacement for processing HTML pages. Share it with you for your reference. The details are as follows :? 1234567891011 php regular expression replacement method for processing HTML pages

This example describes how to use php regular expression replacement to process HTML pages. Share it with you for your reference. The details are as follows:

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228

If (! Defined ('basepath') exit ('no direct script access allowed '); /** * HTML replacement processing class. Consider the following replacement methods: * 1. img src: '/] + ?) /I' * 2. a href: '/] + ?) /I' * 3. ifram. src :'/ ] + ?) /I' * 4. frame src :'/ ] + ?) /I' * 5. js: '/window. open ([(] + ?) ([\ '"] + ?) (. + ?) ([) +?]) /I' * 6. css: '/background (. + ?) Url ([(]) ([\ '"] + ?) (. + ?) ([) +?]) /I' */ Class Myreplace { Private $ moudle_array = array ('udata', 'tdata', 'tresresult', 'dresresult '); Private $ content; Private $ relative_dirname; Private $ projectid; Private $ moudle; Function _ construct (){ $ This-> CI = & get_instance (); } /** * Replace * @ Param string $ content HTML content * @ Param string $ relative path of relative * @ Param int $ projectid Project id * @ Moudle string $ moudle template id: 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 'result ': $ This-> CI-> load-> model ('taskresult', 'model '); Break; Case 'dresresult ': $ 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 = '/ ] + ?) /I '; $ 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) <4) return ''; If (empty ($ matches [3]) return ''; $ Matches [3] = rtrim ($ matches [3], '\' "/'); // Obtain the image 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 ); // Output If (! Empty ($ image_id )){ If ($ this-> moudle = 'dresresult '){ Return "CI-> config-> item (" base_url ")." cdms/". $ this-> moudle."/readpic/$ image_id? Pid = ". $ this-> projectid. $ matches [2]. $ matches [4]; } Else { Return "CI-> config-> item (" base_url ")." cdms/". $ this-> moudle."/picfile/$ image_id? Pid = ". $ this-> projectid. $ matches [2]. $ matches [4]; } } Else { Return" } } Private function html_replace ($ matches ){ If (count ($ matches) <4) return ''; If (empty ($ matches [3]) return ''; // If the href link ($ matches [3]) starts with http, www, or mailto, no processing is performed. // If (preg_match ('/^ [http | www | mailto] (. + ?) /I ', $ matches [3]) // Return" $ Matches [3] = rtrim ($ matches [3], '\' "/'); // Process the anchor If (substr_count ($ matches [3], '#')> 0) $ Matches [3] = substr ($ matches [3], 0, strrpos ($ matches [3], '#'); // Obtain the html 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 ); // Output If (! Empty ($ txtfile_id )){ If ($ this-> moudle = 'dresresult '){ 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) <4) return ''; If (empty ($ matches [3]) return ''; $ Matches [3] = rtrim ($ matches [3], '\' "/'); // Process the anchor If (substr_count ($ matches [3], '#')> 0) $ Matches [3] = substr ($ matches [3], 0, strrpos ($ matches [3], '#'); // Obtain the html 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 ); // Output If (! Empty ($ txtfile_id )){ If ($ this-> moudle = 'dresresult '){ 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 frame_replace ($ matches ){ If (count ($ matches) <4) return ''; If (empty ($ matches [3]) return ''; $ Matches [3] = rtrim ($ matches [3], '\' "/'); // Process the anchor If (substr_count ($ matches [3], '#')> 0) $ Matches [3] = substr ($ matches [3], 0, strrpos ($ matches [3], '#'); // Obtain the html 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 ); // Output If (! Empty ($ txtfile_id )){ If ($ this-> moudle = 'dresresult '){ 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 js_replace ($ matches ){ If (count ($ matches) <4) return ''; If (empty ($ matches [3]) return ''; // Process the link $ Arr_html = split (',', $ matches [3]); $ Href = $ arr_html [0]; $ Other = ''; For ($ I = 0; $ I $ Other = $ arr_html [$ I]. ","; $ Other = rtrim ($ other ,"\,"); $ Href = rtrim ($ href ,'\'\"'); // Process the anchor If (substr_count ($ href, '#')> 0) Return "window. open". $ matches [1]. $ matches [2]. $ matches [3]. $ matches [4]; // Obtain the html 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 ); // Output If (! Empty ($ txtfile_id )){ If ($ this-> moudle = 'dresresult '){ 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], '\' "/'); // Obtain the image 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 ); // Output If (! Empty ($ image_id )){ If ($ this-> moudle = 'dresresult '){ 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 */

I hope this article will help you with php programming.

Examples in this article describes how to use php regular expression replacement to process HTML pages. Share it with you for your reference. The details are as follows :? 1 2 3 4 5 6 7 8 9 10 11...