01 | <?php |
02 |
03 | /*PHP正则提取图片img标记中的任意属性*/ |
04 | $str = '<center><img src="/uploads/images/20100516000.jpg" height="120" width="120"><br />PHP正则提取或更改图片img标记中的任意属性</center>' ; |
05 |
06 | //1、取整个图片代码 |
07 | preg_match( '/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i' , $str , $match ); |
08 | echo $match [0]; |
09 |
10 | //2、取width |
11 | preg_match( '/<img.+(width=\"?\d*\"?).+>/i' , $str , $match ); |
12 | echo $match [1]; |
13 |
14 | //3、取height |
15 | preg_match( '/<img.+(height=\"?\d*\"?).+>/i' , $str , $match ); |
16 | echo $match [1]; |
17 |
18 | //4、取src |
19 | preg_match( '/<img.+src=\"?(.+\.(jpg|gif|bmp|bnp|png))\"?.+>/i' , $str , $match ); |
20 | echo $match [1]; |
21 |
22 | /*PHP正则替换图片img标记中的任意属性*/ |
23 | //1、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg") |
24 | print preg_replace( '/(<img.+src=\"?.+)(images\/)(.+\.(jpg|gif|bmp|bnp|png)\"?.+>)/i' ,"\${1}uc/images/\${3}", $str ); |
25 | echo "<hr/>" ; |
26 |
27 | //2、将src="/uploads/images/20100516000.jpg"替换为src="/uploads/uc/images/20100516000.jpg",并省去宽和高 |
28 | print preg_replace( '/(<img).+(src=\"?.+)images\/(.+\.(jpg|gif|bmp|bnp|png)\"?).+>/i' ,"\${1} \${2}uc/images/\${3}>", $str ); |
29 |
30 | ?> |
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