Forked from mandiwise/Limit Gravity Forms Upload Size
Created
January 16, 2022 14:12
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Set a maximum upload size for a Gravity Forms image field
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| function limit_file_upload_size( $validation_result ) { | |
| $form = $validation_result['form']; | |
| foreach( $form['fields'] as &$field ){ | |
| // NOTE: Add a custom CSS class to your image upload field and grab onto it here... | |
| if( strpos( $field['cssClass'], 'choose-file' ) === false ) | |
| continue; | |
| $is_hidden = RGFormsModel::is_field_hidden( $form, $field, array() ); | |
| if( $is_hidden ) | |
| continue; | |
| $input_name = 'input_' . $field['id']; | |
| $temp_filename = RGFormsModel::get_temp_filename($form['id'], $input_name); | |
| $temp_location = RGFormsModel::get_upload_path($form['id']) . '/tmp/' . $temp_filename['temp_filename']; | |
| if ( isset( $_FILES[$input_name] ) && !empty( $_FILES[$input_name] ) ) | |
| $filesize = $_FILES[$input_name]['size']; | |
| elseif ( file_exists( $temp_location ) ) | |
| $filesize = filesize( $temp_location ); | |
| else | |
| continue; | |
| // NOTE: 75 = the max. KB size ... | |
| if ( $filesize > 75 * 1024 ) { | |
| $validation_result['is_valid'] = false; | |
| $field['failed_validation'] = true; | |
| $field['validation_message'] = 'Maximum logo file size cannot exceed 75 KB.'; | |
| unset( RGFormsModel::$uploaded_files[$form['id']][$input_name], $_FILES[$input_name] ); | |
| continue; | |
| } | |
| } | |
| $validation_result['form'] = $form; | |
| return $validation_result; | |
| } | |
| add_filter('gform_validation_[your form ID]', 'limit_file_upload_size'); |
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