Question

PHP如何取得下面HTML代码的各个id对应的值？要求把下面HTML各ID对应的值提取出来并放到一个数组中

Answer 1

$str = "<span id=\"mydiary1\" > 刚刚开通了空间，来转转吧1111！</span>".
"<span id=\"mydiary2\" > 刚刚开通了空间，来转转吧22222！</span>".
"<span id=\"mydiary3\" > 刚刚开通了空间，来转转吧3333！</span>".
"<span id=\"mydiary4\" > 刚刚开通了空间，来转转吧4444！</span>".
"<span id=\"mydiary5\" > 刚刚开通了空间，来转转吧5555！</span>";
$t = preg_match_all('/<span\sid="mydiary([0-9]+)"\s>/',$str,$arr);
var_dump($arr);exit;