PHP Regular string external link code function _php Tutorial

PHP Tutorial Regular string external link code function

function Deleteemptyarray ($val)
{
$links = ";
if (Is_array ($val))
{
foreach ($val as $v =>$_v)
{
if (!empty ($_v[0]))
{
$links. =$_v[0]. ' | ';
}
}
Return substr ($links, 0,-1);
}
Else
{
return false;
}
}

function Getoutlink ($body)
{

$tempcontent = $body;
Preg_match_all ("//i", $tempcontent, $tempurl);
$urls =array ();
foreach ($tempurl [0] as $value)
{
if (Strstr ($value, ' http '))
{
if (Stristr ($value, $localurl))
{
Continue
}
Else
{
Preg_match_all ("/hrefs*=s* (['"]?) (.*?) 1/is ", $value, $vlink);
$urls [] = $vlink [2];
}
}
}
Print_r ($urls);
$strurl = Explode (' | ', Deleteemptyarray ($urls));
$tempcount = Array_unique ($strurl);
echo ' outer chain '. COUNT ($tempcount)-1;
}

Calling methods

$body = "AAA I am an external connection";
echo Getoutlink ($body);

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