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Current File : /var/www/html/dhandapaniimports/installmentdetail.php

<?php

$tns2 = "(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 111.92.43.75)(PORT = 1521)) (CONNECT_DATA = (SID = XE)))";
if ($conn = oci_connect("PDJ","PDJ", $tns2))
{
echo "Connected to DataBase";
}
else
{
echo ("could not connect to DataBase");
exit;
}
$localconn = new mysqli("localhost","root","Ktp@201*","dhandapani");

// Check connection
if ($localconn -> connect_errno) {
    echo "Failed to connect to MySQL: " . $localconn-> connect_error;
    exit();
  }

 
// $s = oci_parse($conn, $selectsql);
$mystmt = "select * FROM CHITMEMBERINSTALLMENTDETAIL where TRUNC (CMIDCREATEDDATE) = TRUNC (SYSDATE) ORDER BY CMIDID ASC";
$minrow = 0; // row number of first row to return
$maxrow = 500000; // row number of last row to return
$pagesql = "select *
            from ( select a.*, rownum as rnum
                   from ( $mystmt ) a
                   where rownum <= :maxrow)
            where rnum >= :minrow";
$s = oci_parse($conn, $pagesql);
oci_bind_by_name($s, ":maxrow", $maxrow);
oci_bind_by_name($s, ":minrow", $minrow);

oci_execute($s);
echo "<pre>";
$rows = [];
while ($row = oci_fetch_assoc($s)) {
    unset($row['RNUM']);
    $rows[] = $row;  
    $keys=array_keys($row);
	$values = array_values($row);
	$key_placeholders = implode(',',$keys);
    $values_placeholders = "'" . implode ( "', '", $values ) . "'";
    $alreadyexist = "select * from chitmember_installmentdetail where CMIDID='".$row['CMIDID']."'";
    $alreadyresult = mysqli_query($localconn,$alreadyexist);
    $alreadyexistrow = mysqli_fetch_row($alreadyresult);
    if(!empty($alreadyexistrow)){
        $updaterow = '';
        $i=0;
        end($row);
        $lastkey = key($row);
        
        foreach($row as $key=>$value){
            $updaterow .= "'".$key."' = '".$value."'";
            if($lastkey != $key){
                $updaterow .= ",";
            }
            $i++;
        }
        $query = "UPDATE chitmember_installmentdetail SET $updaterow WHERE CMIDID = '".$row['CMIDID']."'";
    }else{
        $query = "INSERT INTO chitmember_installmentdetail (".$key_placeholders.") VALUES (".$values_placeholders.")";
    }
    $result = mysqli_query($localconn,$query);
     
}

echo "Imported Successfully";exit();