我在PHP中的小正则表达式脚本变成可点击都是我从看似提取链接解析它们
function clickable_link($text)
{
$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1:", $text);
$ret = ' ' . $text;
$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,[email protected]\[\]+]*)#is", "\\1<a href=\"\\2\" target=\"_blank\" rel=\"nofollow\" id=\"LinkWordWarp\">\\2</a>", $ret);
$ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,[email protected]\[\]+]*)#is", "\\1<a href=\"http://\\2\" target=\"_blank\" rel=\"nofollow\" id=\"LinkWordWarp\">\\2</a>", $ret);
$ret = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\[email protected]\\3\">\\[email protected]\\3</a>", $ret);
return $ret;
}
和正常工作的字符串的链接,但是我想一个小的调整,要检查时,其一个YouTube链接不使他作为
<a href=youtube>youtube</a>
而是(如果有youtube链接)作为
<iframe width="425" height="349" src="http://www.youtube.com/embed/youtube" frameborder="0" allowfullscreen></iframe>
和
<img src="link" />
如果它是一个图像。
任何帮助,将不胜感激。
我已经写了一个小脚本的所有这一点,但它太慢!!!!!!!!!
<?php
function MakeContentInteractive($string)
{
$order = array("<br>", "<br/>", "<br />");
$replace = ' <br/> ';
$string = str_replace($order, $replace, $string);
$firstImageSetted = false;
$firstImage = "";
$allval = "";
$pieces = explode(" ", $string);
$regex = "^(((ht|f)tp(s?))\://)?(www.|[a-zA-Z].)[a-zA-Z0-9\-\.]+\.(com|edu|gov|mil|net|org|biz|info|name|museum|us|ca|uk|co|tk)(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\;\?\'\\\+&%\$#\=~_\-]+))*$^"; // SCHEME
$i=0;
foreach($pieces as $val)
{
echo $val."<hr>";
$i++;
$url = $val;
$url = str_replace(" ", "+", $url);
$strlen = strlen($url);
$ext = substr($val,$strlen-4,$strlen);
$random = rand(1000000,9000000);
if(preg_match($regex, $url))
{
/*CHECK IF IS YOUTUBE*/
$pos = strpos($url,"youtube.com");
if ($pos !== false)
{
//retrive video from link
$videoLink = $val;
$videoLinkPharser = $videoLink;
$videoLinkPharser = substr($videoLinkPharser, 2, 42);
$vid = substr($videoLinkPharser, -11, 42);
//check if youtube link is valid
$youtubeId = $vid;
// Check if youtube video item exists by the existance of the the 200 response
$headers = get_headers('http://gdata.youtube.com/feeds/api/videos/' . $vid);
if (!strpos($headers[0], '200'))
{
$valid = 0;
}
else
{
$isYoutube = 1;
$valid = 1;
$code = '<div id="YoutubeLink"><iframe width="425" height="349" src="http://www.youtube.com/embed/'.$vid.'" frameborder="0" allowfullscreen></iframe></div>';
$allval = $allval.$code;
}
}
if(!$isYoutube == 1)
{
$url=trim($url);
/*CHECK IF IS PICTURE*/
$mime = getimagesize($url);
$mime = $mime['mime'];
if($mime == "image/gif" or $mime == "image/jpeg" or $mime == "image/png")
{
echo $url;
if(exif_imagetype($url) == IMAGETYPE_GIF and $ext == ".gif")
{
$isPicture = 1;
$filename =$random.basename($url);
$code = '<div id="CategoryPicture"><img src="'.$val.'" width="100" height="100" /><div>';
$allval = $allval.$code;
if($firstImageSetted == false)
{
$firstImage=$val;
$firstImageSetted = true;
}
}
if(exif_imagetype($url) == IMAGETYPE_JPEG and $ext == ".jpg")
{
$isPicture = 1;
$filename =$random.basename($url);
$code = '<div id="CategoryPicture"><img src="'.$val.'" width="100" height="100" /><div>';
$allval = $allval.$code;
if($firstImageSetted == false)
{
$firstImage=$val;
$firstImageSetted = true;
echo "JPG!";
}
}
if(exif_imagetype($url) == IMAGETYPE_PNG and $ext == ".png")
{
$isPicture = 1;
$filename =$random.basename($url);
$code = '<div id="CategoryPicture"><img src="'.$val.'" width="100" height="100" /><div>';
$allval = $allval.$code;
if($firstImageSetted == false)
{
$firstImage=$val;
$firstImageSetted = true;
}
}
}
}
/*IF not YOUTUBE or PICTURE then it's a link*/
if(!$isYoutube == 1 and !$isPicture == 1)
{
$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1:", $url);
$ret = ' ' . $text;
$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,[email protected]\[\]+]*)#is", "\\1<a href=\"\\2\" target=\"_blank\" rel=\"nofollow\" id=\"LinkWordWarp\">\\2</a>", $ret);
$ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,[email protected]\[\]+]*)#is", "\\1<a href=\"http://\\2\" target=\"_blank\" rel=\"nofollow\" id=\"LinkWordWarp\">\\2</a>", $ret);
$ret = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\[email protected]\\3\">\\[email protected]\\3</a>", $ret);
$code = '<a href="'.$url.'">'.$url.'</a>';
$allval = $allval.$ret;
}
$isYoutube = 0;
$isPicture = 0;
}
else
{
$allval = $allval.$val;
}
}
echo "and the first image is: ".$firstImage."<br/>";
return $allval;
}
?>
而慢的部分是当检查与Exif和的getImage尺寸的图像(每张照片3秒!!!)我怎样才能解决???
检查我的编辑,我写了一个脚本,但它的太慢!每个图像3秒... – Master345
更新了我的答案。我认为你的代码出错了。考虑使用带数组的preg_replace作为参数。至少对于图像以外的其他任务。 – Hnatt
YouTube和链接部分速度非常快,只有Check If Image部分很慢,因为我想检查是否真的是图像而不是漏洞或什么的。你认为首先复制是安全的(server_path,my_server)并从那里检查它?我只是生气和疯狂的安全... – Master345