你好,我想使用preg_match我有,为什么不工作?
$source = "<span class='"middle'">".
"<span class='"play'"></span>".
"<img width='"114'" src='"http://i.ytimg.com/vi/PnmEKNi1DtY/default.jpg'" alt='"'"></span> 1";
preg_match("'<span class='"middle'"><span class='"play'"></span> <img width='"114'" src='"http://i.ytimg.com/vi/(.*?)/default.jpg'" alt='"'"></span> 1'si", $source, $match);
foreach($match[1] as $val)
{
echo $val."<br>";
}
输出:
Warning: Invalid argument supplied for foreach()
因为$match[0]
是标量,而不是数组。你会使用:
foreach($match as $val)