Symfony.md

Symfony 5.1.2

Endpoint

public function test(Request $request) {
  if($request->getContentType() === 'json') {
    $data = json_decode($request->getContent(), true);

Source code (/symfony/symfony/src/Symfony/Component/HttpFoundation/Request.php)

public function getContentType() {
  return $this->getFormat($this->headers->get('CONTENT_TYPE'));
}

public function getFormat(?string $mimeType){
  $canonicalMimeType = null;
  if (false !== $pos = strpos($mimeType, ';')) {
    $canonicalMimeType = trim(substr($mimeType, 0, $pos));
  }
  ...
  foreach (static::$formats as $format => $mimeTypes) {
    if (\in_array($mimeType, (array) $mimeTypes)) {
      return $format;
    }
    if (null !== $canonicalMimeType && \in_array($canonicalMimeType, (array) $mimeTypes)) {
      return $format;

JSON Content-Type

application/json
application/x-json

XML Content-Type

text/xml
application/xml
application/x-xml

HTTP Request

POST /json HTTP/1.1
Host: localhost
Content-Type: application/x-json
Content-Length: 13

{"test":true}

Multipart Content-Type
Same as PHP