Yii obtains the suffix of the uploaded file

Yii obtains the suffix of the uploaded file

Yii obtains the suffix 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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