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