How to convert json string to csv format in php
How to convert json string to csv format in php: 1. Create a php sample file; 2. Convert the JSON string to a PHP array or object; 3. Create a file handle and open a CSV file. Write; 4. Write the header row and data row in the CSV file; 5. Write the data row into the CSV file and use comma separators between fields, close the file handle and complete the conversion.
Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.
To convert a JSON string to CSV in PHP you need to use the following steps:
Convert a JSON string to a PHP array or object.
Create a file handle and open a CSV file for writing.
Write header rows and data rows in the CSV file.
Write rows of data to a CSV file, using comma separators between fields. Close the file handle and complete the conversion.
Here is a sample code to convert a JSON string to a CSV file:
$jsonString = '{"users": [{"name": "John Doe", "age": 30, "email": "john.doe@example.com"}, {"name": "Jane Smith","age": 25, "email": "jane.smith@example.com"}]}'; $data = json_decode($jsonString, true); $filename = 'users.csv'; $handle = fopen($filename, 'w+'); // write header row fputcsv($handle, array_keys($data['users'][0])); // write data rows foreach ($data['users'] as $row) { fputcsv($handle, $row); } fclose($handle);
This code will generate a CSV file named "users.csv", where Contains name, age and email address of user data in a JSON string.
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