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Is file selected checking

(This post was last modified: 03-14-2015, 11:37 PM by rejoan.)

Is there any way to check is user browse file for upload or not? currently I am doing with this
PHP Code:
if($_FILES && $_FILES['avatar']['name']){...} 

Shouldn't there is a codeigniter way to do this? this is need because when user will select file for upload then validation operation will work. i.e file upload option is optional
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(This post was last modified: 03-15-2015, 07:52 AM by spjonez.)

There is, the do_upload method on the upload class.

$this->upload->initialize( $config );

if ( $this->upload->do_upload( ) === true ) {
    $file = $this->upload->data( );
else {
    // file was not uploaded, errors are in $this->upload->display_errors( )

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