- str_replace: documentation ( source)
<?php
$url1 = "www.viber.ge";
$url2 = "viber.ge";
If(strlen($url1) > strlen($url2)){
If(str_replace($url2,"",$url1) == "www."){
Echo "same domain";
}Else{
Echo "not same";
}
}Else{
If(str_replace($url1,"",$url2) == "www."){
Echo "same domain";
}Else{
Echo "not same";
}
}