php curl poner ejemplo de código de datos json

Ejemplo 1: enviar aplicación / json php

// API URL
$url = 'http://www.example.com/api';

// Create a new cURL resource
$ch = curl_init($url);

// Setup request to send json via POST
$data = array(
  'username' => 'codexworld',
  'password' => '123456');
$payload = json_encode(array("user" => $data));

// Attach encoded JSON string to the POST fields
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);

// Set the content type to application/json
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));

// Return response instead of outputting
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

// Execute the POST request
$result = curl_exec($ch);

// Close cURL resource
curl_close($ch);

Ejemplo 2: cómo hacer una publicación con json body curl php

// API URL$url="http://www.example.com/api";// Create a new cURL resource$ch = curl_init($url);// Setup request to send json via POST$data = array(    'username' => 'codexworld',    'password' => '123456');$payload = json_encode(array("user" => $data));// Attach encoded JSON string to the POST fieldscurl_setopt($ch, CURLOPT_POSTFIELDS, $payload);// Set the content type to application/jsoncurl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));// Return response instead of outputtingcurl_setopt($ch, CURLOPT_RETURNTRANSFER, true);// Execute the POST request$result = curl_exec($ch);// Close cURL resourcecurl_close($ch);

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