this is a php side issue:
you could make a form containing the inputs:
name 1: <input type=text name=Name_fld[]><br>
name 2: <input type=text name=Name_fld[]><br>
et cetera.
after submit, the receiving php script makes the data accessible in an "auto-enumerated" array:
name 1 is in $Name_fld[0]
name 2 is in $Name_fld[1]
etc.
that script can do many inserts in a loop:
for($i=0; $i<count($Name_fld); $i++)
{
$sql = "insert ... values(".$Name_fld[$i]."...)";
...
}
HTH!