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Chapter 18. Tips & Tricks (trucchi e consigli)

Gestione delle variabili vuote

Certe volte potreste voler stampare un valore di default per una variabile vuota invece di stampare niente, ad esempio " " in modo che gli sfondi delle tabelle funzionino regolarmente. Molti userebbero una {if} per gestire questo caso, ma c'è un modo più veloce con Smarty, che è l'uso del modificatore default.

Example 18.1. Stampare   quando una variabile è vuota


{* il modo lungo *}

{if $title eq ""}
    
{else}
   {$title}
{/if}


{* il modo breve *}

{$title|default:" "}

    

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