(PECL mongo >=0.9.0)
MongoGridFSFile::getBytes — Returns this file's contents as a string of bytes
Warning: this will load the file into memory. If the file is bigger than your memory, this will cause problems!
此函数没有参数。
Returns a string of the bytes in the file.
Example #1 MongoGridFSFile::getBytes() example
<?php
$images = $db->my_db->getGridFS('images');
$image = $images->findOne('jwage.png');
header('Content-type: image/png;');
echo $image->getBytes();
?>