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Last updated: Tue, 29 Oct 2002
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empty

(PHP 3, PHP 4 )

empty -- Determina si una variable está definida

Descripción

int empty ( mixed var)

Devuelve FALSE si var está definida y tiene un valor no-vacío o distinto de cero; en otro caso devuelve TRUE.

Ver también isset() y unset().

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Last updated: Tue, 29 Oct 2002
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Last updated: Thu Oct 31 18:34:28 2002 EST