Convert CSV to JSON PHP – PHP Tutorial


Convert CSV file to JSON in PHP. In this tutorial, we will learn how to convert CSV data or file into a JSON object in PHP.

We should also read this PHP JSON posts:

How to convert CSV to JSON in PHP

This tutorial has the purpose to shows us an easy way to convert CSV data or file to JSON object in PHP.

Let’s talk about CSV to array and JSON:

We have one CSV file and it’s URL It contains the name, age, email id.

This file looks like below:

PHP script to convert CSV file to JSON

Use the following steps to convert CSV file to JSON object in PHP:

Step 1. First of all, we will read the CSV file from the given path and convert CSV to array in PHP.

Step 2. When we have converted the CSV file into an array. After that, we will convert the array to JSON in PHP.


 * Converts CSV File to JSON PHP Script
 * Example uses Google Spreadsheet CSV

header('Content-type: application/json');

//Set your file path here
$filePath = '';

// define two arrays for storing values
$keys = array();
$newArray = array();

//PHP Function to convert CSV into array
function convertCsvToArray($file, $delimiter) { 
  if (($handle = fopen($file, 'r')) !== FALSE) { 
    $i = 0; 
    while (($lineArray = fgetcsv($handle, 4000, $delimiter, '"')) !== FALSE) { 
      for ($j = 0; $j < count($lineArray); $j++) { 
        $arr[$i][$j] = $lineArray[$j]; 
  return $arr; 
// Call the function convert csv To Array
$data = convertCsvToArray($filePath, ',');

// Set number of elements (minus 1 because we shift off the first row)
$count = count($data) - 1;
//First row for label or name
$labels = array_shift($data);  
foreach ($labels as $label) {
  $keys[] = $label;

// assign keys value to ids, we add new parameter id here
$keys[] = 'id';
for ($i = 0; $i < $count; $i++) {
  $data[$i][] = $i;
// combine both array
for ($j = 0; $j < $count; $j++) {
  $d = array_combine($keys, $data[$j]);
  $newArray[$j] = $d;

// convert array to json php using the json_encode()
$arrayToJson = json_encode($newArray);

// print converted csv value to json
echo $arrayToJson;

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Jaspreet Singh Ghuman

Jaspreet Singh Ghuman

Passionate Professional Blogger, Freelancer, WordPress Enthusiast, Digital Marketer, Web Developer, Server Operator, Networking Expert. Empowering online presence with diverse skills.

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