phpè·åhtmlæ ç¾imageçsrcå
容 æ£å表达å¼åæ³å¦ä¸ï¼
$str = '<img width="100" src="1.gif" height="100">';
preg_match_all('/<img.*?src="(.*?)".*?>/is',$str,$array);
print_r($array);
php对å¾ççæä½æ£å表达å¼è¯¦è§£ï¼
//1ãåæ´ä¸ªå¾ç代ç
preg_match('/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i',$str,$match);
echo $match[0];
//2ãåwidth
preg_match('/<img.+(width=\"?\d*\"?).+>/i',$str,$match);
echo $match[1];
//3ãåheight
preg_match('/<img.+(height=\"?\d*\"?).+>/i',$str,$match);
echo $match[1];
//4ãåsrc
preg_match('/<img.+src=\"?(.+\.(jpg|gif|bmp|bnp|png))\"?.+>/i',$str,$match);
echo $match[1];
/*PHPæ£åæ¿æ¢å¾çimgæ è®°ä¸çä»»æå±æ§*/
//1ãå°src="/uploads/images/20100516000.jpg"æ¿æ¢ä¸ºsrc="/uploads/uc/images/20100516000.jpg")
print preg_replace('/(<img.+src=\"?.+)(images\/)(.+\.(jpg|gif|bmp|bnp|png)\"?.+>)/i',"\${1}uc/images/\${3}",$str);
echo "<hr/>";
//2ãå°src="/uploads/images/20100516000.jpg"æ¿æ¢ä¸ºsrc="/uploads/uc/images/20100516000.jpg",并çå»å®½åé«
print preg_replace('/(<img).+(src=\"?.+)images\/(.+\.(jpg|gif|bmp|bnp|png)\"?).+>/i',"\${1} \${2}uc/images/\${3}>",$str);
?>
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