fluentform / framework / Request / FileHandler.php

FileHandler.php in Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder 1.3.0, at framework/Request/FileHandler.php

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1	<?php
2
3	namespace FluentForm\Framework\Request;
4
5	trait FileHandler
6	{
7	/**
8	* Prepares HTTP files for Request
9	*
10	* @param array $files
11	*
12	* @return array
13	*/
14	public function prepareFiles($files = [])
15	{
16	foreach ($files as $key => &$file) {
17	$file = $this->convertFileInformation($file);
18	}
19
20	return $files;
21	}
22
23	/**
24	* @taken from \Symfony\Component\HttpFoundation\FileBag
25	*
26	* Converts uploaded files to UploadedFile instances.
27	*
28	* @param array\|File $file A (multi-dimensional) array of uploaded file information
29	*
30	* @return File[]\|File\|null A (multi-dimensional) array of File instances
31	*/
32	protected function convertFileInformation($file)
33	{
34	$fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
35
36	if ($file instanceof File) {
37	return $file;
38	}
39
40	$file = $this->fixPhpFilesArray($file);
41
42	if (is_array($file)) {
43	$keys = array_keys($file);
44	sort($keys);
45
46	if ($keys == $fileKeys) {
47	if (UPLOAD_ERR_NO_FILE == $file['error']) {
48	$file = null;
49	} else {
50	$file = new File($file['tmp_name'], $file['name'], $file['type'], $file['size'], $file['error']);
51	}
52	} else {
53	$file = array_map(array($this, 'convertFileInformation'), $file);
54	if (array_keys($keys) === $keys) {
55	$file = array_filter($file);
56	}
57	}
58	}
59
60	return $file;
61	}
62
63	/**
64	* @taken from \Symfony\Component\HttpFoundation\FileBag
65	*
66	* Fixes a malformed PHP $_FILES array.
67	*
68	* PHP has a bug that the format of the $_FILES array differs, depending on
69	* whether the uploaded file fields had normal field names or array-like
70	* field names ("normal" vs. "parent[child]").
71	*
72	* This method fixes the array to look like the "normal" $_FILES array.
73	*
74	* It's safe to pass an already converted array, in which case this method
75	* just returns the original array unmodified.
76	*
77	* @return array
78	*/
79	protected function fixPhpFilesArray($data)
80	{
81	$fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
82
83	if (! is_array($data)) {
84	return $data;
85	}
86
87	$keys = array_keys($data);
88	sort($keys);
89
90	if ($fileKeys != $keys \|\| ! isset($data['name']) \|\| ! is_array($data['name'])) {
91	return $data;
92	}
93
94	$files = $data;
95	foreach ($fileKeys as $k) {
96	unset($files[$k]);
97	}
98
99	foreach ($data['name'] as $key => $name) {
100	$files[$key] = $this->fixPhpFilesArray(array(
101	'error' => $data['error'][$key],
102	'name' => $name,
103	'type' => $data['type'][$key],
104	'tmp_name' => $data['tmp_name'][$key],
105	'size' => $data['size'][$key],
106	));
107	}
108
109	return $files;
110	}
111	}