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1 | <?php |
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2 | /** |
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3 | * slince upload handler library |
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4 | * @author Tao <[email protected]> |
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5 | */ |
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6 | namespace Slince\Upload; |
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7 | |||
8 | use Slince\Upload\Exception\UploadException; |
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9 | |||
10 | class FileInfo |
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11 | { |
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12 | /** |
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13 | * has error |
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14 | * @var boolean |
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15 | */ |
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16 | public $hasError; |
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17 | |||
18 | /** |
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19 | * tmp filename, $_FILES['upfile']['tmp_name'] |
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20 | * @var string |
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21 | */ |
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22 | protected $tmpName; |
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23 | |||
24 | /** |
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25 | * Original file name(the name saved on the client); $_FILES['upfile']['name'] |
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26 | * @var string |
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27 | */ |
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28 | protected $originName; |
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29 | |||
30 | /** |
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31 | * errors;$_FILES['error'] |
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32 | * @var int |
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33 | */ |
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34 | protected $error; |
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35 | |||
36 | /** |
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37 | * file size(bytes);$_FILES['upfile']['size'] |
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38 | * @var int |
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39 | */ |
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40 | protected $size; |
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41 | |||
42 | /** |
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43 | * file type;$_FILES['upfile']['type'] |
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44 | * @var string |
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45 | */ |
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46 | protected $type; |
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47 | |||
48 | /** |
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49 | * file mime type |
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50 | * @var string |
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51 | */ |
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52 | protected $mimeType; |
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53 | |||
54 | /** |
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55 | * error code |
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56 | * @var int |
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57 | */ |
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58 | protected $errorCode; |
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59 | |||
60 | /** |
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61 | * error message |
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62 | * @var string |
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63 | */ |
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64 | protected $errorMsg; |
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65 | |||
66 | /** |
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67 | * The file path after upload |
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68 | * @var string |
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69 | */ |
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70 | protected $path; |
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71 | |||
72 | public function __construct(array $file) |
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73 | { |
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74 | if (!isset($file['tmp_name']) |
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75 | || !isset($file['name']) |
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76 | || !isset($file['error']) |
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77 | || !isset($file['size']) |
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78 | || !isset($file['type']) |
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79 | ) { |
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80 | throw new UploadException("Invalid file array"); |
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81 | } |
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82 | $this->tmpName = $file['tmp_name']; |
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83 | $this->originName = $file['name']; |
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84 | $this->error = $file['error']; |
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85 | $this->size = $file['size']; |
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86 | $this->type = $file['type']; |
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87 | } |
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88 | |||
89 | /** |
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90 | * Create instance from array |
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91 | * @param array $info |
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92 | * @return FileInfo |
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93 | */ |
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94 | public static function fromArray(array $info) |
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95 | { |
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96 | return new static($info); |
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97 | } |
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98 | |||
99 | /** |
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100 | * Create instance from array |
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101 | * @param array $info |
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102 | * @return FileInfo |
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103 | * @deprecated |
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104 | */ |
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105 | public static function createFromArray(array $info) |
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106 | { |
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107 | return static::fromArray($info); |
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108 | } |
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109 | |||
110 | /** |
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111 | * gets file size |
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112 | * @return int |
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113 | */ |
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114 | public function getSize() |
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115 | { |
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116 | return $this->size; |
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117 | } |
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118 | |||
119 | /** |
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120 | * gets file mime type |
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121 | * @return string |
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122 | */ |
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123 | public function getMimeType() |
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124 | { |
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125 | if (is_null($this->mimeType)) { |
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126 | $this->mimeType = $this->detectMimeType(); |
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127 | } |
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128 | return $this->mimeType; |
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129 | } |
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130 | |||
131 | /** |
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132 | * detect file mime type |
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133 | * @return string |
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134 | */ |
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135 | protected function detectMimeType() |
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136 | { |
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137 | $mimeType = false; |
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138 | if (class_exists('finfo')) { |
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139 | $finfo = new \finfo(FILEINFO_MIME_TYPE); |
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140 | $mimeType = $finfo->file($this->tmpName); |
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141 | } |
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142 | if (!$mimeType) { |
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143 | $mimeType = MimeTypeStore::getMimeType($this->getExtension()); |
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144 | $mimeType = is_array($mimeType) ? reset($mimeType) : $mimeType; |
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145 | } |
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146 | return $mimeType; |
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147 | } |
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148 | |||
149 | /** |
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150 | * gets file extension |
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151 | * @return string |
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152 | */ |
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153 | public function getExtension() |
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154 | { |
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155 | return pathinfo($this->originName, PATHINFO_EXTENSION); |
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156 | } |
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157 | |||
158 | /** |
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159 | * gets file tmp name |
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160 | * @return string |
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161 | */ |
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162 | public function getTmpName() |
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163 | { |
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164 | return $this->tmpName; |
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165 | } |
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166 | |||
167 | /** |
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168 | * gets original file name |
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169 | * @return string |
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170 | */ |
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171 | public function getOriginName() |
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172 | { |
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173 | return $this->originName; |
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174 | } |
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175 | |||
176 | /** |
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177 | * gets file type |
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178 | * @return string |
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179 | */ |
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180 | public function getType() |
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181 | { |
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182 | return $this->type; |
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183 | } |
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184 | |||
185 | /** |
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186 | * gets error($_FILES['upfile']['error']) |
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187 | * @return int |
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188 | */ |
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189 | public function getError() |
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190 | { |
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191 | return $this->error; |
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192 | } |
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193 | |||
194 | /** |
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195 | * set error code |
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196 | * @param int $code |
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197 | */ |
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198 | public function setErrorCode($code) |
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199 | { |
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200 | $this->errorCode = $code; |
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201 | } |
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202 | |||
203 | /** |
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204 | * gets final error code |
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205 | * @return int |
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206 | */ |
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207 | public function getErrorCode() |
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208 | { |
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209 | return $this->errorCode; |
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210 | } |
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211 | |||
212 | /** |
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213 | * set error message |
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214 | * @param string $msg |
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215 | */ |
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216 | public function setErrorMsg($msg) |
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217 | { |
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218 | $this->errorMsg = $msg; |
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219 | } |
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220 | |||
221 | /** |
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222 | * get error message |
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223 | * @return string |
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224 | */ |
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225 | public function getErrorMsg() |
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226 | { |
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227 | return $this->errorMsg; |
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228 | } |
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229 | |||
230 | /** |
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231 | * set file path |
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232 | * @param string $path |
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233 | */ |
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234 | public function setPath($path) |
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235 | { |
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236 | $this->path = $path; |
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237 | } |
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238 | |||
239 | /** |
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240 | * get file path |
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241 | * @return string |
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242 | */ |
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243 | public function getPath() |
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244 | { |
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245 | return $this->path; |
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246 | } |
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247 | |||
248 | /** |
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249 | * whether there is an error |
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250 | * @return bool |
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251 | */ |
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252 | public function hasError() |
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253 | { |
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254 | return $this->hasError; |
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255 | } |
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256 | |||
257 | /** |
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258 | * set has error |
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259 | * @param $result |
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260 | */ |
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261 | public function setHasError($result) |
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262 | { |
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263 | $this->hasError = $result; |
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264 | } |
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265 | |||
266 | /** |
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267 | * Convert human readable file size (e.g. "10K" or "3M") into bytes |
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268 | * @link https://github.com/brandonsavage/Upload/blob/master/src/Upload/File.php#L446 |
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269 | * @param string $input |
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270 | * @return int |
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271 | */ |
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272 | public static function humanReadableToBytes($input) |
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273 | { |
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274 | $number = (int)$input; |
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275 | $units = array( |
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276 | 'b' => 1, |
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277 | 'k' => 1024, |
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278 | 'm' => 1048576, |
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279 | 'g' => 1073741824 |
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280 | ); |
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281 | $unit = strtolower(substr($input, -1)); |
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282 | if (isset($units[$unit])) { |
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283 | $number = $number * $units[$unit]; |
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284 | } |
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285 | return $number; |
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286 | } |
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287 | } |
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288 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: