is_numeric

(PHP 4, PHP 5)

is_numeric --  Finds whether a variable is a number or a numeric string

Description

bool is_numeric ( mixed var )

Returns TRUE if var is a number or a numeric string, FALSE otherwise.

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

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Generated: 2007-01-26 17:57:02