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функция не описана

YoastSEO_Vendor\Psr\Http\Message

UploadedFileInterface::getClientMediaType() public Yoast 1.0

Retrieve the media type sent by the client.

Do not trust the value returned by this method. A client could send a malicious media type with the intention to corrupt or hack your application.

Implementations SHOULD return the value stored in the "type" key of the file in the $_FILES array.

{} Это метод класса: UploadedFileInterface{}

Хуков нет.

Возвращает

Строку/null. The media type sent by the client or null if none

    was provided.

Использование

$UploadedFileInterface = new UploadedFileInterface();
$UploadedFileInterface->getClientMediaType();

Код UploadedFileInterface::getClientMediaType() Yoast 15.3

<?php
public function getClientMediaType();