Write data to a json lines formatted file. Each row will become a vald JSON object.
Documentation
Example: Jsonl
Topic: Data writing
Description
composer.json
{
"name": "flow-php/examples",
"description": "Flow PHP - Examples",
"license": "MIT",
"type": "library",
"require": {
"flow-php/etl": "1.x-dev",
"flow-php/etl-adapter-json": "1.x-dev"
}
}
code.php
<?php
declare(strict_types=1);
use function Flow\ETL\Adapter\JSON\{to_json_lines};
use function Flow\ETL\DSL\{data_frame, from_array, overwrite};
require __DIR__ . '/vendor/autoload.php';
data_frame()
->read(
from_array([
['id' => 1, 'name' => 'John', 'age' => 30],
['id' => 2, 'name' => 'Jane', 'age' => 25],
['id' => 3, 'name' => 'Bob', 'age' => 35],
['id' => 4, 'name' => 'Alice', 'age' => 28],
['id' => 5, 'name' => 'Charlie', 'age' => 32],
])
)
->collect()
->mode(overwrite())
->write(to_json_lines(__DIR__ . '/output.json'))
->run();
Output
{"id":1,"name":"John","age":30}
{"id":2,"name":"Jane","age":25}
{"id":3,"name":"Bob","age":35}
{"id":4,"name":"Alice","age":28}
{"id":5,"name":"Charlie","age":32}