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Heriberto Nieves
856 Pointswhat does the ! means if its before a variable?
i don't know what the ! represent before the variable, does it check somethings?
example: if ( !$variable1 || !$variable2 ) { echo 'text goes here'; }
im guessing it checks if the variable is empty? thanks
2 Answers
Steven Parker
231,274 PointsThat's the logical "not" operator. It means "the opposite of". So if the variable contains "false", then putting "!" in front will make the result "true".
Heriberto Nieves
856 Pointsthanks you!
Andres Vidoza
9,805 PointsAndres Vidoza
9,805 PointsThis actually checks that the string is empty?
Steven Parker
231,274 PointsSteven Parker
231,274 PointsThe "not" operator just inverts the value. An empty string by itself is considered to be "falsey", and one with content is considered "truthy".