我想提取两个子串之间的子串。问题是它只会提取第一个。我想在我的所有文档中都这样做。如何获取两个子串之间的子串?
例子:
function getBetween($content,$start,$end){
$r = explode($start, $content);
if (isset($r[1])){
$r = explode($end, $r[1]);
return $r[0];
}
return '';
}
$document = '<a data-id="777777"></a><a data-id="888888"></a><a data-id="99999"></a>';
$content = $document;
$start = '<a data-id="';
$end = '"';
$data = getBetween($content,$start,$end);
echo $data;
$document2 = '<a data-A="AAAAAA"></a><a data-A="BBBBBB"></a><a data-A="CCCCCC"></a>';
$content = $document2;
$start = '<a data-A="';
$end = '"';
$data2 = getBetween($content,$start,$end);
echo $data2;
现在它仅取出777777
AAAAA
。但我要的是777777
AAAAAA
888888
BBBBBB
999999
CCCCC
使用http://php.net/manual/en/function.preg-match-all.php – Neodan
我得到了一些麻烦事情了。是否有另一种方法来实现这一结果? – user1708580