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Chapter 18. Consejos y Trucos

Manipulación de Variables Vacias

Cuando usted en algunas ocaciones quiere imprimir un valor que usted defíne a una variable vacia en vez de imprimir nada, tal como imprimir " " a fin de que el plano del fondo de la tabla funcione correctamente. Muchos usarian una sentencia {if} para manejar esto, mas existe otra forma con Smarty, usando el modificador de la variable default.

Example 18.1. Imprimiendo   cuando una variable esta vacia


{* the long way *}

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


{* the short way *}

{$title|default:" "}

    

Ver tambien default y Default Variable Handling.

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