php notice fixe
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@ -85,8 +85,8 @@ function popsu_preprocess_views_view_field(&$variables){
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// add new classes to the url (without overwriting existing once)
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$options = $url->getOptions();
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if($attributes = $options['attributes']){
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if($classes = $attributes['class']){
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if(isset($options['attributes']) && $attributes = $options['attributes']){
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if(isset($attributes['class']) && $classes = $attributes['class']){
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$attributes['class'] += $new_classes;
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}else{
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$attributes['class'] = $new_classes;
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