how to return post request using curl code example

Example 1: curl post request

curl -d "user=user1&pass=abcd" -X POST https://example.com/login

Example 2: curl post request

$data = [
				'api_key' => '123456789',
				'name' => 'Emmanuel',
				'email'   => '[email protected]'
				];
			$url = 'https://mysite.com/api/subscribe';
			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL, $url);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
			$response = curl_exec($ch);
			var_export($response);