PHP gets the first image of the article as a thumbnail-PHP source code

PHP retrieves the first image of the article as a thumbnail PHP retrieves the first image of the article as a thumbnail

/*** Obtain the first image of the article as a thumbnail * @ param $ content * @ return bool | string */private static function thumb ($ content) {$ contet = stripslashes ($ content); if (preg_match_all ("/(src) = ([\" | ']?) ([^ \ "'>] + \. (Gif | jpg | jpeg | bmp | png) \ 2/I ", $ content, $ matches) {$ str = $ matches [3] [0]; $ str = substr ($ str, 6); if (preg_match ('/upload/', $ str) {return $ str ;}} return '';}

The above is the content of the first image of the article obtained by PHP as a thumbnail. For more information, see The PHP Chinese website (www.php1.cn )!