(转)PHP正则提取图片img标记中的任意属性修改
/*PHP正则提取图片img标记中的任意属性*/
$str?=?'
PHP正则提取或更改图片img标记中的任意属性';
//1、取整个图片代码
preg_match('/]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i',$str,$match);
echo?$match[0];
//2、取width
preg_match('/
/i',$str,$match);
echo?$match[1];
//3、取height
preg_match('/
/i',$str,$match);
echo?$match[1];
//4、取src
preg_match('/
/i',$str,$match);
echo?$match[1];
/*PHP正则替换图片img标记中的任意属性*/
//1、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg")
print?preg_replace('/(
)/i',"\${1}uc/images/\${3}",$str);
echo?"
";
//2、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg",并省去宽和高
print?preg_replace('/(
/i',"\${1}?\${2}uc/images/\${3}>",$str);
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