- Function trip_html ($ html, $ len ){
- // $ Html should contain an HTML document.
- // In this example, the HTML tag and javascript code are removed.
- // And blank characters. Some common
- // Convert the HTML object to the corresponding text.
- $ Search = array ("' ] *?>. *? Script 'Si ", // remove javascript
- '<[\/\!] *? [^ <>] *?> 'Si ", // remove the HTML tag
- "'([\ R \ n]) [\ s] +'", // remove the white space
- '& (Quot | #34);' I ", // replaces the HTML object
- '& (Amp | #38);' I ",
- '& (Lt | #60);' I ",
- "'& (Gt | #62);' I ",
- & (Nbsp | #160); 'I ",
- "'& (Iexcl | #161);' I ",
- "'& (Cent | #162);' I ",
- "'& (Pound | #163);' I ",
- '& (Copy | #169);' I ",
- '& # (\ D +); 'e "); // run as PHP code
- $ Replace = array ("",
- "",
- "\ 1 ″,
- "\" ",
- "&",
- "<",
- "> ",
- "",
- Chr (1, 161 ),
- Chr (1, 162 ),
- Chr (1, 163 ),
- Chr (1, 169 ),
- "Chr (\ 1 )");
- $ Text = preg_replace ($ search, $ replace, $ html );
- $ Text = trim ($ text );
- Return mb_strlen ($ text) >=$ len? Mb_substr ($ text, 0, $ len ):";
- }
- ?>
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