is_scalar
Name
is_scalar — Tests whether a value is a scalar.
Synopsis
bool is_scalar
(value);
mixed value: Value or
variable to test
Returns
TRUE if the value is a scalar; FALSE otherwise
Description
is_scalar() tests whether a value is a scalar
value. Values of types boolean, double, integer, or
string are considered to be scalar values.
If the value is a scalar, the function returns
TRUE. If not, FALSE is returned.
Version
PHP Version: 4.0.5+
Example
Example 1399. Test whether a
value is a scalar
$value = array (1);
if (is_scalar ($value))
print "Value \$value is a scalar value.";
else
print "Value \$value is not a scalar value.";
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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