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PHP提取数据库内容中的图片地址并循环输出

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Release: 2016-06-13 12:17:57
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复制代码 代码如下:


/*
1 (?s) 代表 Pattern.DOTALL,也就是匹配换行,允许 img里出现在多行
2 .*?代表非贪婪匹配任意字符,直到后面的条件出现
3 ?: 代表这个匹配但不被捕获,也就是不在结果出现 [\.gif|\.jpg] 是或者的意思
*/
$pattern="/PHP提取数据库内容中的图片地址并循环输出/";
$str='

';
preg_match_all($pattern,$str,$match);
print_r($match);
/*
Array
(
[0] => Array
(
[0] =>
[1] =>
[2] =>
)
[1] => Array
(
[0] => upfiles/2009/07/1246430143_4.jpg
[1] => upfiles/2009/07/1246430143_3.jpg
[2] => upfiles/2009/07/1246430143_1.jpg
)
)
*/

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