(PHP 5, PHP 7)
variant_mul — Multiplies the values of the two variants
left
The left operand.
right
The right operand.
FALSE
and 0 for TRUE
.
Note:
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NULL
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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 |