$csv_mimetypes = array( ‘text/csv’, ‘text/plain’, ‘application/csv’, ‘text/comma-separated-values’, ‘application/excel’, ‘application/vnd.ms-excel’, ‘application/vnd.msexcel’, …
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Check if file is csv type
//File type Checking: $mimes = array(‘application/vnd.ms-excel’,’text/plain’,’text/csv’,’text/tsv’); if(!in_array($_FILES[‘sf_admin_file’][‘type’],$mimes)) { $this->form_validation->set_rules(‘sf_admin_file’, ‘Document’, ‘required’); }
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