Multiplies the values of the two variants

说锟斤拷

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

Multiplies left by right.

锟斤拷锟斤拷

left: The left operand.
right: The right operand.

Boolean values are converted to -1 for FALSE and 0 for TRUE.

Note:
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锟斤拷锟斤拷值

**Variant Multiplication Rules**
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

锟轿硷拷

variant_div() - Returns the result from dividing two variants
variant_idiv() - Converts variants to integers and then returns the result from dividing them