zend framework file upload function example code_PHP tutorial-PHP Tutorial-php.cn

zend framework file upload function example code_PHP tutorial

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Release： 2016-07-13 17:18:29

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Copy code The code is as follows:

//Instantiate the upload class
$upload = new Zend_File_Transfer();
//Set the filter, the size limit is 5M, the format is jpg, gif, png
$upload->addValidator('Size', false, 5 * 1024 * 1024);
$upload-> ;addValidator('Extension', false, 'jpg,gif,png');
if (!$upload->isValid()) {
print 'File size or format does not match';
exit();
}

//Get the uploaded file form, there can be multiple items
$fileInfo = $upload->getFileInfo();
//Get the suffix name, here pic is the name of the upload form file control
$ext = $this->getExtension($fileInfo['pic']['name']);
//Define the generation directory
$dir = './upload' . date('/Y /m/d/');
//Rename the file
do {
$filename = date('His') . rand(100000, 999999) . '.' . $ext;
} while (file_exists($dir . $filename));

//Create the directory if it does not exist
$this->makeDir($dir);
//Formally write the file into the upload directory
$upload->setDestination($dir );
$upload->addFilter('Rename', array('target' => $filename, 'overwrite' => true));
if (!$upload->receive( )) {
print 'Failed to upload image';
exit();
}

print $filename;

How to get file extension:

Copy code The code is as follows:

/**
 * Get file extension 
 * 
 * @param string $fileName
 * @return string
*/
public function getExtension($fileName) {
 if (!$fileName) {
 return '';
 }
 $exts = explode(".", $fileName);
 $ext = end($exts); 
 return $ext;
}

How to create a directory:

Copy code The code is as follows:

/**
 * Create directory 
 * 
 * @param string $path
 * @return boolean
*/
public function makeDir($path) {
 if (DIRECTORY_SEPARATOR == "\") {//windows os
 $path = iconv('utf-8', 'gbk', $path);
 }
 if (! $path) {
 return false;
 }
 if (file_exists($path)) {
 return true;
 }
 if (mkdir($path, 0777, true) ) {
 return true;
 }
 return false;
}