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variant_mul

PHP function Edit on GitHub ✎

(PHP 5, PHP 7, PHP 8)

Multiplies the values of the two variants

Description

variant_mul(mixed $left, mixed $right): variant

Multiplies left by right.

Boolean values are converted to -1 for false and 0 for true. Variant-arith

If	Then
Both expressions are of the string, date, character, boolean type	Multiplication
One expression is a string type and the other a character	Multiplication
One expression is numeric and the other is a string	Multiplication
Both expressions are numeric	Multiplication
Either expression is NULL	NULL is returned
Both expressions are empty	Empty string is returned

Throws a com_exception on failure.