php通过正则从字符串中获取所有图片url地址
/*** 提取字符串中图片url地址
* @param type $str
* @return type
*/
function getimgs($str) {
$reg = '/((http|https):\/\/)+(\w+\.)+(\w+)[\w\/\.\-]*(jpg|gif|png)/';
$matches = array();
preg_match_all($reg, $str, $matches);
foreach ($matches as $value) {
$data[] = get_file($value);
}
return $data;
}
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