Are the operators && and and interchangeable in PHP?
Also to know is, are the operators && and and interchangeable?
Logical operators and bitwise operators might sometimes work the same if you are lucky, but they are not the same, and can sometimes yield completely different results. Be careful not to confuse & and &&. They are not interchangeable!
Similarly, what does && mean in PHP? up vote 5. AND operation: & -> will do the bitwise AND operation , it just doing operation based on the bit values. && -> It will do logical AND operation. It is just the check the values is true or false. Based on the boolean value , it will evaluation the expression.
Thereof, what is the difference between & and && in C?
There actually are simple & refers to bit-wise AND and && refers to logical AND in C. Both are binary operators, that means, both need two operands to operate upon. & performs LOGICAL AND operation on binary values of both operands, and outputs value of result of the AND operation.
What is the difference between && and?
In && case both are true then true otherwise false. && is used to perform and operation means if anyone of the expression/condition evaluates to false whole thing is false. || is used to perform or operation if anyone of the expression/condition evaluates to true whole thing becomes true.