Request::files() 

\nn\t3::Request()->files($path = NULL, $forceArray = false); 

File-Uploads aus $_FILES holen und normalisieren.

Normalisiert folgende File-Upload-Varianten. Enfernt leere Datei-Uploads aus dem Array.

<input name="image" type="file" />
<input name="image[key]" type="file" />
<input name="images[]" type="file" multiple="1" />
<input name="images[key][]" type="file" multiple="1" />
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Beispiele: ALLE Datei-Infos aus $_FILESholen.

\nn\t3::Request()->files();
\nn\t3::Request()->files( true ); // Array erzwingen
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Datei-Infos aus tx_nnfesubmit_nnfesubmit[...] holen.

\nn\t3::Request()->files('tx_nnfesubmit_nnfesubmit');
\nn\t3::Request()->files('tx_nnfesubmit_nnfesubmit', true);    // Array erzwingen
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Nur Dateien aus tx_nnfesubmit_nnfesubmit[fal_media] holen.

\nn\t3::Request()->files('tx_nnfesubmit_nnfesubmit.fal_media' );
\nn\t3::Request()->files('tx_nnfesubmit_nnfesubmit.fal_media', true ); // Array erzwingen
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| @return array

Source Code 

public function files( $path = null, $forceArray = false )
{
	if (!$_FILES) return [];
	if ($path === true) {
		$path = false;
		$forceArray = true;
	}
	$fileInfosByKey = [];
	// 'tx_nnfesubmit_nnfesubmit' => ['name' => ..., 'size' => ...]
	foreach ($_FILES as $varName => $aspects) {
		if (!($fileInfosByKey[$varName] ?? false)) {
			$fileInfosByKey[$varName] = [];
		}
		foreach ($aspects as $aspectKey => $vars) {
			// $aspectKey ist IMMER 'name' || 'tmp_name' || 'size' || 'error'
			if (!is_array($vars)) {
				// <input type="file" name="image" />
				if ($forceArray) {
					$fileInfosByKey[$varName][0][$aspectKey] = $vars;
				} else {
					$fileInfosByKey[$varName][$aspectKey] = $vars;
				}
			} else {
				foreach ($vars as $varKey => $varValue) {
					// <input type="file" name="images[]" multiple="1" />
					if (is_numeric($varKey)) {
						$fileInfosByKey[$varName][$varKey][$aspectKey] = $varValue;
					}
					if (!is_numeric($varKey)) {
						if (!is_array($varValue)) {
							// <input type="file" name="image[key]" />
							if ($forceArray) {
								$fileInfosByKey[$varName][$varKey][0][$aspectKey] = $varValue;
							} else {
								$fileInfosByKey[$varName][$varKey][$aspectKey] = $varValue;
							}
						} else {
							// <input type="file" name="images[key][]" multiple="1" />
							foreach ($varValue as $n=>$v) {
								$fileInfosByKey[$varName][$varKey][$n][$aspectKey] = $v;
							}
						}
					}
				}
			}
		}
	}
	// Leere Uploads entfernen
	foreach ($fileInfosByKey as $k=>$v) {
		if (isset($v['error']) && $v['error'] == UPLOAD_ERR_NO_FILE) {
			unset($fileInfosByKey[$k]);
		}
		if (is_array($v)) {
			foreach ($v as $k1=>$v1) {
				if (isset($v1['error']) && $v1['error'] == UPLOAD_ERR_NO_FILE) {
					unset($fileInfosByKey[$k][$k1]);
				}
				if (is_array($v1)) {
					foreach ($v1 as $k2=>$v2) {
						if (isset($v2['error']) && $v2['error'] == UPLOAD_ERR_NO_FILE) {
							unset($fileInfosByKey[$k][$k1][$k2]);
						}
					}
				}
			}
		}
	}
	if (!$path) return $fileInfosByKey;
	return \nn\t3::Settings()->getFromPath( $path, $fileInfosByKey );
}
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