how to import php mysql data to csv through php code example

Example 1: how to export php mysql data to csv through php

<?php
/*
* iTech Empires:  Export Data from MySQL to CSV Script
* Version: 1.0.0
* Page: DB Connection
*/
 
// Connection variables
$host = "localhost"; // MySQL host name eg. localhost
$user = "root"; // MySQL user. eg. root ( if your on localserver)
$password = ""; // MySQL user password  (if password is not set for your root user then keep it empty )
$database = "test"; // MySQL Database name
 
// Connect to MySQL Database
$con = new mysqli($host, $user, $password, $database);
 
// Check connection
if ($con->connect_error) {
    die("Connection failed: " . $con->connect_error);
}
?>

Example 2: import data from csv to db php

<?php
$query = <<<eof
    LOAD DATA INFILE '$fileName'
     INTO TABLE tableName
     FIELDS TERMINATED BY '|' OPTIONALLY ENCLOSED BY '"'
     LINES TERMINATED BY '\n'
     IGNORE 1 LINES
    (field1,field2,field3,etc)
eof;

$db->query($query);
?>