Smarty PHP Conditional Help

When $SENDER_LAST_WORD_PLAYED or $SENDER_LAST_WORD_SCORE are blank I want the sentence stating "First word played: $SENDER_LAST_WORD_PLAYED for $SENDER_LAST_WORD_SCORE points" to not be printed. So far I've written it so that only if $SENDER_LAST_WORD_PLAYED is not present 开发者_C百科it will not print the sentence but i would also like to put $SENDER_LAST_WORD_SCORE validation on it.

Here's my code right now:

{if isset($SENDER_LAST_WORD_PLAYED) && !empty($SENDER_LAST_WORD_PLAYED)}
First word played: '{$SENDER_LAST_WORD_PLAYED|truncate:15:"..."|capitalize}' for %%SENDER_LAST_WORD_SCORE%% points
{else} {/if}

Any ideas?

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EDIT Another shot:

{if isset($SENDER_LAST_WORD_PLAYED) && !empty($SENDER_LAST_WORD_PLAYED) && isset(SENDER_LAST_WORD_SCORE) && !empty(SENDER_LAST_WORD_SCORE)}