php - How do I insert data from a CSV file into my database? -


i'm trying upload txt file database don't think happens. checked database in phpmyadmin nothing inserted. how load , insert data mysql database?

here's code: 

<?php  $conn = mysql_connect("localhost", "login", "password") or die(mysql_error());   mysql_select_db("database", $conn);  if(!isset($_post['submit'])) {     $uploadtxt = "nyccrash.txt";      $handle= fopen($uploadtxt, "r");      // error checking.     if($handle === false) {    die("error opening $uploadtxt"); }       while($fileop = fgetcsv($handle, 1000, ",") !== false) {       $crash_year = $fileop[0];     $accident_type = $fileop[1];     $collision_type = $fileop[2];     $weather_condition = $fileop[3];     $light_condition = $fileop[4];     $x_coordinate = $fileop[5];     $y_coordinate = $fileop[6];       $sql = mysql_query("insert nyccrash (crash_year, accident_type, collision_type, weather_condition, light_condition, x_coordinate, y_coordinate) values ($crash_year, $accident_type, $collision_type, $weather_condition, $light_condition, $x_coordinate, $y_coordinate)");       } }

?> 

<!doctype html>  <html> <head>  <meta charset="utf-8"> <title> nyc crash data </title>  <link ref="stylesheet" type "text/css" href="../style/style.css" />   </head>  <body>  <div id="mainwrapper">       <form method="post" action="" enctype="multipart/form-data">          <input type="file" name="file"/>         <br/>          <input type="submit" name="submit" value="submit"/>      </form>   </div>

if text data forgot ' around data

$sql = mysql_query("insert nyccrash (crash_year, accident_type,  collision_type, weather_condition, light_condition, x_coordinate, y_coordinate)  values ('$crash_year', '$accident_type', '$collision_type',  '$weather_condition', '$light_condition', '$x_coordinate', '$y_coordinate')");

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