How to convert a string to variable through a loop and save it in MySQL Database

I have this problem. This is my PHP code to take one MySQL table and Insert the data into another MySQL table:

<?php 
$connect = mysql_connect("host","user","password"); 
    if (!$connect){ 
        die("Failed to connect to the database: ".mysql_error()); 
    } 
$kies_bd = mysql_select_db("eraenz_db1",$connect); 
    if (!$kies_bd){ 
        die("failed to choose from BD: ".mysql_error()); 
    } 
$query = "SELECT ListNumber FROM residential"; 
$result1 = mysql_query($query); 
    if (mysql_num_rows($result1) >10){ 
        $difference = mysql_num_rows($result1) - 10; 
        $myQuery = "SELECT * FROM residential ORDER BY id LIMIT 10, $difference"; 
        $result2 = mysql_query($myQuery); 

    while ($line = mysql_fetch_array($result2)){ 
        mysql_query("INSERT INTO lisitngs
        (listnumber, mandatetype, listdate,expirydate, updatedate,virtualtoururl,status,propertyright,agnt_id, erfsize,erf_no, housesize,outbuildingsize,    bathroomoptions,closedusergroup,facingoptions,features,kitchenoptions,flatlet,parking,carport,price,numofbath,numofbed, numofgarages, numofkitchens, numofreception,numofstudies,numofdomesticbath,numofdomesticbed,numofoutsidetoil,off_id,ownershiptype, parkingdesc, pooloptions,pool,sellingreason,sfeatureoptions,roofoptions,roomoptions,walloptions,windowoptions, styleoptions,securityoptions,tempcontrol,streetname,streetnumber, suburb, propertycategory,propertytype,ss_name,agentcontactname,province,city, postalcode,email,listingstatus,feedtype, rates, levies)
        values ({$line['ListNumber']}','{$line['MandateType']}','{$line['ListDate']}','{$line['ExpiryDate']}','{$line['UpdateDate']}','{$line['VisualTourURL']}','{$line['Status']}','{$line['PropertyCategory']}','{$line['AgentI']}','{$line['SizeOfErf']}','{$line['StandNumber']}','{$line['SizeOfHouse']}','{$line['SizeOfOutBuildings']}','{$line['BathroomOptions']}','{$line['ClosedUserGroup']}','{$line['FacingDescrip']}','{$line['Features']}','{$line['KitchenOptions'开发者_运维问答]}','{$line['Flatlet']}','{$line['Parking']}','{$line['NumOfCarports']}','{$line['ListPrice']}','{$line['NumOfBathrooms']}','{$line['NumOfBedrooms']}','{$line['NumOfGarages']}','{$line['NumOfKitchens']}','{$line['NumReceptionRooms']}','{$line['NumStudies']}','{$line['NumOfDomBathrooms']}','{$line['NumOfDomBedrooms']}','{$line['NumOfOutSideToilets']}','{$line['OfficeId']}','{$line['OwnershipType']}','{$line['ParkingDesc']}','{$line['PoolOptions']}','{$line['Pool']}','{$line['ReasonForSelling']}','{$line['SpecialFeatures']}','{$line['RoofOptions']}','{$line['RoomOptions']}','{$line['WallFinishes']}','{$line['Windows']}','{$line['StyleOptions']}','{$line['SecurityOptions']}','{$line['TempControl']}','{$line['StreetName']}','{$line['StreetNumber']}','{$line['Suburb']}','{$line['PropertyCategory']}','{$line['TypeOfProperty']}','{$line['UnitName']}','{$line['AgentContactName']}','{$line['Province']}','{$line['City']}','{$line['PostalCode']}','{$line['SellerEmail']}','{$line['Status']}','{$line['FeedType']}','{$line['MunRatesTaxes']}','{$line['MonthlyLevy']}')"); 
        mysql_query("INSERT INTO clients
                (clnt_title,clnt_name,clnt_surname,clnt_street_name,clnt_street_no,clnt_complex_name,clnt_unit_no,clnt_suburb,clnt_city,clnt_cell,clnt_email,agnt_id,)
        values ({$line['SellerTitle']}','{$line['SellerFirstName']}','{$line['SellerSurname']}','{$line['StreetName']}','{$line['StreetNumber']}','{$line['UnitName']}','{$line['UnitNumber']}','{$line['Suburb']}','{$line['City']}','{$line['SellerMobileNumber']}','{$line['SellerEmail']}','{$line['AgentID']}')"); 
        mysql_query("DELETE FROM residential WHERE ListNumber={$line['ListNumber']}"); 
        echo "{$line['ListNumber']} was deleted <br/>"; 
    } 
 } 
 mysql_close($connect); 

?>

Now not all of these columns are compatible with their counter part column where it is supposed to be inserted into.

My question to you is, how do I save these incompatible strings into a variable and then insert them into the Database Table?

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Use Prepared Statements. PHP will convert the type automatically for you, and you're protected against Injection Attacks.

Actually, you should be using Prepared Statements everywhere in your code... building SQL from strings is a bad habit.