Home Backend Development PHP Tutorial (转)PHP正则提取图片img标记中的随意属性修改

(转)PHP正则提取图片img标记中的随意属性修改

Jun 13, 2016 pm 01:05 PM
images img match src

(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?=?'

 (转)PHP正则提取图片img标记中的随意属性修改
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('/ (转)PHP正则提取图片img标记中的随意属性修改 /i',$str,$match);
echo?$match[1];

//3、取height
preg_match('/ (转)PHP正则提取图片img标记中的随意属性修改 /i',$str,$match);
echo?$match[1];

//4、取src
preg_match('/ (转)PHP正则提取图片img标记中的随意属性修改 /i',$str,$match);
echo?$match[1];

/*PHP正则替换图片img标记中的任意属性*/
//1、将替换为)
print?preg_replace('/( (转)PHP正则提取图片img标记中的随意属性修改 )/i',"\${1}uc/images/\${3}",$str);
echo?"
";

//2、将替换为,并省去宽和高
print?preg_replace('/( (转)PHP正则提取图片img标记中的随意属性修改 /i',"\${1}?\${2}uc/images/\${3}>",$str);
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