Yii gets the suffix name of the uploaded file_PHP tutorial

Yii gets the suffix name of the uploaded file

Yii gets the suffix name of the uploaded file, mainly using the getExtensionName() method in the CUploadedFile class, for example:

<?php
......
$form->image=CUploadedFile::getInstance($form->model, 'image');
$randName=date('Ymdhis').rand(100,999).'.'.$form->model->image->getExtensionName();
$form->model->image->saveAs(Yii::app()->basePath.'/../upload/'.$randName);
......

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