CSV to JSON Converter for PHP

Free online csv to json converter with PHP code examples

Working with csv to json converter in PHP? Our free online csv to json converter helps PHP developers format, validate, and process data instantly. Below you will find PHP code examples using str_getcsv / json_encode (built-in) so you can achieve the same result programmatically in your own projects.

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Open CSV to JSON

PHP Code Example

<?php
$csv = "name,age,city\nAlice,30,New York\nBob,25,London";
$lines = explode("\n", $csv);
$headers = str_getcsv(array_shift($lines));
$result = [];
foreach ($lines as $line) {
    $values = str_getcsv($line);
    $result[] = array_combine($headers, $values);
}
echo json_encode($result, JSON_PRETTY_PRINT);

Quick Setup

Library: str_getcsv / json_encode (built-in)
// Built-in functions — no installation needed

PHP Tips & Best Practices

  • str_getcsv handles quoted fields correctly
  • Use fgetcsv() for reading CSV from files line by line
  • League\Csv is a robust library for complex CSV operations

Frequently Asked Questions

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