How to upload and parse a CSV file in php - php

Question

I want to upload a csv file with php. After the file is uploaded, I want to display the data of the CSV file. I would like an example how to accomplish this task.

Answer 1

This can be done in a much simpler manner now.
$tmpName = $_FILES['csv']['tmp_name'];
$csvAsArray = array_map('str_getcsv', file($tmpName));
This will return you a parsed array of your CSV data. Then you can just loop through it using a foreach statement.

Answer 2

untested but should give you the idea. the view:
<form action="upload.php" method="post" enctype="multipart/form-data">
<input type="file" name="csv" value="" />
<input type="submit" name="submit" value="Save" /></form>
upload.php controller:
$csv = array();
// check there are no errors
if($_FILES['csv']['error'] == 0){
$name = $_FILES['csv']['name'];
$ext = strtolower(end(explode('.', $_FILES['csv']['name'])));
$type = $_FILES['csv']['type'];
$tmpName = $_FILES['csv']['tmp_name'];
// check the file is a csv
if($ext === 'csv'){
if(($handle = fopen($tmpName, 'r')) !== FALSE) {
// necessary if a large csv file
set_time_limit(0);
$row = 0;
while(($data = fgetcsv($handle, 1000, ',')) !== FALSE) {
// number of fields in the csv
$col_count = count($data);
// get the values from the csv
$csv[$row]['col1'] = $data[0];
$csv[$row]['col2'] = $data[1];
// inc the row
$row++;
}
fclose($handle);
}
}
}

Answer 3

Although you could easily find a tutorial how to handle file uploads with php, and there are functions (manual) to handle CSVs, I will post some code because just a few days ago I worked on a project, including a bit of code you could use...
HTML:
<table width="600">
<form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="post" enctype="multipart/form-data">
<tr>
<td width="20%">Select file</td>
<td width="80%"><input type="file" name="file" id="file" /></td>
</tr>
<tr>
<td>Submit</td>
<td><input type="submit" name="submit" /></td>
</tr>
</form>
</table>
PHP:
if ( isset($_POST["submit"]) ) {
if ( isset($_FILES["file"])) {
//if there was an error uploading the file
if ($_FILES["file"]["error"] > 0) {
echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
}
else {
//Print file details
echo "Upload: " . $_FILES["file"]["name"] . "<br />";
echo "Type: " . $_FILES["file"]["type"] . "<br />";
echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";
//if file already exists
if (file_exists("upload/" . $_FILES["file"]["name"])) {
echo $_FILES["file"]["name"] . " already exists. ";
}
else {
//Store file in directory "upload" with the name of "uploaded_file.txt"
$storagename = "uploaded_file.txt";
move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $storagename);
echo "Stored in: " . "upload/" . $_FILES["file"]["name"] . "<br />";
}
}
} else {
echo "No file selected <br />";
}
}
I know there must be an easier way to do this, but I read the CSV file and store the single cells of every record in an two dimensional array.
if ( isset($storagename) && $file = fopen( "upload/" . $storagename , r ) ) {
echo "File opened.<br />";
$firstline = fgets ($file, 4096 );
//Gets the number of fields, in CSV-files the names of the fields are mostly given in the first line
$num = strlen($firstline) - strlen(str_replace(";", "", $firstline));
//save the different fields of the firstline in an array called fields
$fields = array();
$fields = explode( ";", $firstline, ($num+1) );
$line = array();
$i = 0;
//CSV: one line is one record and the cells/fields are seperated by ";"
//so $dsatz is an two dimensional array saving the records like this: $dsatz[number of record][number of cell]
while ( $line[$i] = fgets ($file, 4096) ) {
$dsatz[$i] = array();
$dsatz[$i] = explode( ";", $line[$i], ($num+1) );
$i++;
}
echo "<table>";
echo "<tr>";
for ( $k = 0; $k != ($num+1); $k++ ) {
echo "<td>" . $fields[$k] . "</td>";
}
echo "</tr>";
foreach ($dsatz as $key => $number) {
//new table row for every record
echo "<tr>";
foreach ($number as $k => $content) {
//new table cell for every field of the record
echo "<td>" . $content . "</td>";
}
}
echo "</table>";
}
So I hope this will help, it is just a small snippet of code and I have not tested it, because I used it slightly different. The comments should explain everything.

Answer 4

I have created below snippet with the help of #Thomas Clowes answer
$tmpName = $_FILES['csv']['tmp_name'];
$csv_data = array_map('str_getcsv', file($tmpName));
array_walk($csv_data , function(&$x) use ($csv_data) {
$x = array_combine($csv_data[0], $x);
});
/**
*
* array_shift = remove first value of array
* in csv file header was the first value
*
*/
array_shift($csv_data);
// Print Result Data
echo '<pre/>';
print_r($csv_data);
It will get result like below
Array
(
[0] => Array
(
[make] => Audi
[model] => S4
[grade] =>
[chassis] => WAUZZZ8K9DA076529
[year] => 2012
[kms] => 127000
[color] => White
[doors] => 4
[cc] => 3000
[engineno] =>
[trans] => FAT
[fueltype] => P
[condition] => 4
[price] => 15753
)
)

Answer 5

You want the handling file uploads section of the PHP manual, and you would also do well to look at fgetcsv() and explode().

Answer 6

I feel str_getcsv — Parse a CSV string into an array is the best option for you.
You need to upload the file to the server.
Parse the file using str_getcsv.
Run through the array and align as per u need on your website.

Answer 7

function doParseCSVFile($filesArray)
{
if ((file_exists($filesArray['frmUpload']['name'])) && (is_readable($filesArray['frmUpload']['name']))) {
$strFilePath = $filesArray['frmUpload']['tmp_name'];
$strFileHandle = fopen($strFilePath,"r");
$line_of_text = fgetcsv($strFileHandle,1024,",","'");
$line_of_text = fgetcsv($strFileHandle,1024,",","'");
do {
if ($line_of_text[0]) {
$strInsertSql = "INSERT INTO tbl_employee(employee_name, employee_code, employee_email, employee_designation, employee_number)VALUES('".addslashes($line_of_text[0])."', '".$line_of_text[1]."', '".addslashes($line_of_text[2])."', '".$line_of_text[3]."', '".$line_of_text[4]."')";
ExecuteQry($strInsertSql);
}
} while (($line_of_text = fgetcsv($strFileHandle,1024,",","'"))!== FALSE);
} else {
return FALSE;
}
}

Answer 8

public function uploadCsvFile(){
try{
if($_SERVER['REQUEST_METHOD'] === 'POST'){
$request = $this->post();
$fileName = $request->file;
$file = fopen($fileName, "r"); //open the file
// $fileName = $_FILES["file"]["tmp_name"];
while(($column = fgetcsv($file)) !== FALSE){
$num = count($column);
$this->dbw->query("insert into csv_upload(first_name,last_name,email,phone,address,pin) values('".$column[0]."','".$column[1]."','".$column[2]."','".$column[3]."','".$column[4]."','".$column[5]."')");
}
fclose($file);
}
}catch (Exception $e) {
$this->responseErr($e->getMessage(), 500);
}
}

Answer 9

You can try with this:
function doParseCSVFile($filesArray)
{
if ((file_exists($filesArray['frmUpload']['name'])) && (is_readable($filesArray['frmUpload']['name']))) {
$strFilePath = $filesArray['frmUpload']['tmp_name'];
$strFileHandle = fopen($strFilePath,"r");
$line_of_text = fgetcsv($strFileHandle,1024,",","'");
$line_of_text = fgetcsv($strFileHandle,1024,",","'");
do {
if ($line_of_text[0]) {
$strInsertSql = "INSERT INTO tbl_employee(employee_name, employee_code, employee_email, employee_designation, employee_number)VALUES('".addslashes($line_of_text[0])."', '".$line_of_text[1]."', '".addslashes($line_of_text[2])."', '".$line_of_text[3]."', '".$line_of_text[4]."')";
ExecuteQry($strInsertSql);
}
} while (($line_of_text = fgetcsv($strFileHandle,1024,",","'"))!== FALSE);
} else {
return FALSE;
}
}