http://www.sitea.com/vip: => http://localhost/aaa?search=
http://www.sitea.com/ => http://localhost/bbb/ (without 'vip:')
http://www.siteb.com/ => http://localhost/ccc/
$str='link Alink Blink C';
if(strpos($str,'www.sitea.com')!== false){
if(strpos($str,'vip:')!== false){
$str = str_replace('http://www.sitea.com/', 'http://localhost/aaa?search=',$str);
}else{
$str = str_replace('http://www.sitea.com/', 'http://localhost/bbb/',$str);
}
}
if(strpos($str,'www.siteb.com')!== false){
$str = str_replace('http://www.siteb.com/', 'http://localhost/ccc/',$str);
}
echo $str;
link A
link B
link C
$str='link Alink Blink C';
$str = str_replace('http://www.sitea.com/vip:', 'http://localhost/aaa?search=vip:',$str);
$str = str_replace('http://www.sitea.com/', 'http://localhost/bbb/',$str);
$str = str_replace('http://www.siteb.com/', 'http://localhost/ccc/',$str);
echo $str;
link Alink Blink C';
$str = str_replace('http://www.sitea.com/vip:', 'http://localhost/aaa?search=',$str);
$str = str_replace('http://www.sitea.com/', 'http://localhost/bbb/',$str);
$str = str_replace('http://www.siteb.com/', 'http://localhost/ccc/',$str);
echo $str;
?>