Compare an id to an array in PHP MySQL -

i have array in while lets "while a",like this:

   myarr=array();     while($row = mysql_fetch_assoc($result))         {                $myarr[$kodetb]= $kuranggesek;              echo "kodetb=".$kodetb."value=".$myarr[$kodetb]."<br>";         } 

and result displays:

kodetb=tb201506114 value=7001500 kodetb=tb201602179 value=8204000 kodetb=tb201602186 value=200000 kodetb=tb201602321 value=3500000 kodetb=tb201602322 value=150000 kodetb=tb201602327 value=500000 

and have query in while let "while b ":

while($row3 = mysql_fetch_assoc($result3))         {    $kodetbori=$row3['kodetb']; //this id of while b              //what trying accomplish want check like:             start loop array sintax               if $kodetbori_in_while_b==$kodetb_in_while_a)                {                   echo value of $myarr[$kodetb]in while               }               end         } 

please help.. thanks.