幾種獲取html字串中所有超連結位址代碼
$ss = "<a href='1.gif'>d</a>adfxx<a href="dir.html">dir</a>";
print_r(gethref($ss));
function gethref($temp){
preg_match_all('/<a.*?(?: |t|r|n)?href=['"]?(. +?) ['"]? (?:(?: |t|r|n)+.*?)? >(.+?) </a.*?>/sim',$temp,$a);
return $a[1];
}
下面所有a連接
$htm = preg_replace( "@<a(.*?) </a>@is","$1",$ss);
print_r($htm);
比較全的提取url連接位址
$url="HTTP://www.jzread.com";
$html=file_get_contents($url,"r");
preg_match_all ("/(<a)(.*)(href=)([^>]*)(>)([^<]*)(<)([^>]*)(>)/", $html, $matches);
for ($i=0;$i<count($matches[0]);$i++)
{
echo "|||". $matches[2][$i]."||". $matches[3][$i].$matches[4][$i]."||". $matches[6][$i]."||". $matches[8][$i]." <br>";
}//提取文章字串中所有連結位址
preg_match_all('/(?<=href=")[wd.:/] */',$str,$fstr);
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