php 入门型-文件上传代码

php 入门型-文件上传代码

if(!empty($_FILES["uploadImage"])) {
// get file name
$filename = basename($_FILES['uploadImage']['name']);

// get extension
$ext = substr($filename, strrpos($filename, '.') + 1);

// check for jpg only
if ($ext == "jpg") {
// generate unique file name
$newName = 'images/'.time().'.'.$ext;

// upload files
if ((move_uploaded_file($_FILES['uploadImage']['tmp_name'], $newName))) {

// get height and width for image uploaded
list($width, $height) = getimagesize($newName);

// return json data
echo '{"image" : "'.$newName.'", "height" : "'.$height.'", "width" : "'.$width.'" }';
}
else {
echo '{"error" : "An error occurred while moving the files"}';
}
}
else {
echo '{"error" : "Invalid image format"}';
}
}
?>