The arguments can be any valid expression as long as they each resolve to an array.
public setIsSubset ( mixed | self $expression1, mixed | self $expression2 ) | ||
$expression1 | mixed | self | |
$expression2 | mixed | self |
public setIsSubset ( mixed | self $expression1, mixed | self $expression2 ) | ||
$expression1 | mixed | self | |
$expression2 | mixed | self |