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Last updated: Tue, 28 May 2002
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is_null

(PHP 4 >= 4.0.4)

is_null --  Finds whether a variable is NULL

Description

bool is_null ( mixed var)

Returns TRUE if var is null, FALSE otherwise.

See also is_bool(), is_numeric(), is_float(), is_int(), is_string(), is_object(), is_array(), is_integer(), and is_real()

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