1. lib / php / devuelveErrorInterno.php


1	<?php
2
3	require_once __DIR__ . "/INTERNAL_SERVER_ERROR.php";
4	require_once __DIR__ . "/devuelveProblemDetails.php";
5	require_once __DIR__ . "/devuelveProblemDetails.php";
6
7	function devuelveErrorInterno(Throwable $error)
8	{
9	devuelveProblemDetails(new ProblemDetails(
10	status: INTERNAL_SERVER_ERROR,
11	title: $error->getMessage(),
12	type: "/error/errorinterno.html"
13	));
14	}
15

2. lib / php / devuelveJson.php


1	<?php
2
3	require_once __DIR__ . "/devuelveResultadoNoJson.php";
4
5	function devuelveJson($resultado)
6	{
7
8	$json = json_encode($resultado);
9
10	if ($json === false) {
11
12	devuelveResultadoNoJson();
13	} else {
14
15	http_response_code(200);
16	header("Content-Type: application/json");
17	echo $json;
18	}
19	}
20


1	<?php
2
3	require_once __DIR__ . "/devuelveResultadoNoJson.php";
4	require_once __DIR__ . "/ProblemDetails.php";
5
6	function devuelveProblemDetails(ProblemDetails $details)
7	{
8
9	$body = ["title" => $details->title];
10	if ($details->type !== null) {
11	$body["type"] = $details->type;
12	}
13	if ($details->detail !== null) {
14	$body["detail"] = $details->detail;
15	}
16
17	$json = json_encode($body);
18
19	if ($json === false) {
20
21	devuelveResultadoNoJson();
22	} else {
23
24	http_response_code($details->status);
25	header("Content-Type: application/problem+json");
26	echo $json;
27	}
28	}
29


1	<?php
2
3	require_once __DIR__ . "/INTERNAL_SERVER_ERROR.php";
4
5	function devuelveResultadoNoJson()
6	{
7
8	http_response_code(INTERNAL_SERVER_ERROR);
9	header("Content-Type: application/problem+json");
10	echo '{' .
11	'"title": "El resultado no puede representarse como JSON."' .
12	'"type": "/error/resultadonojson.html"' .
13	'}';
14	}
15


1	<?php
2
3	/** Detalle de los errores devueltos por un servicio. */
4	class ProblemDetails extends Exception
5	{
6
7	public int $status;
8	public string $title;
9	public ?string $type;
10	public ?string $detail;
11
12	public function __construct(
13	int $status,
14	string $title,
15	?string $type = null,
16	?string $detail = null,
17	Throwable $previous = null
18	) {
19	parent::__construct($title, $status, $previous);
20	$this->status = $status;
21	$this->type = $type;
22	$this->title = $title;
23	$this->detail = $detail;
24	}
25	}
26