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<is_longis_numeric>
Last updated: Thu, 26 Jun 2008

is_null

(PHP 4 >= 4.0.4, PHP 5)

is_null — Finds whether a variable is NULL

Description

bool is_null ( mixed $var )

Finds whether the given variable is NULL.

Parameters

var

The variable being evaluated.

Return Values

Returns TRUE if var is null, FALSE otherwise.

See Also



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Finds whether a variable is NULL
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<is_longis_numeric>
Last updated: Thu, 26 Jun 2008
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