Use of ternary operator in PHP

The ternary operator is used to shorten if/else structures. The null coalescing operator is used to provide default values instead of null. The spaceship operator is used to compare two values.

1. What is the use of ternary operator?
2. Why we use === in php?
3. How do I use the ternary operator in PHP as a shorthand for if else?
4. What is the difference between == and === operator in PHP?
5. Why is it called a ternary operator?
6. Is ternary operator faster than if?
7. What === means?
8. What are PHP functions?
9. Is else PHP?
10. Is empty in PHP?
11. Is null in PHP?
12. Is PHP an array?

What is the use of ternary operator?

The conditional (ternary) operator is the only JavaScript operator that takes three operands: a condition followed by a question mark ( ? ), then an expression to execute if the condition is truthy followed by a colon ( : ), and finally the expression to execute if the condition is falsy.

Why we use === in php?

In PHP you may compare two values using the == operator or === operator. ... If you use === as the comparison operator, PHP will not try to convert any data types. So if the operands' types are different, then they are NOT identical.

How do I use the ternary operator in PHP as a shorthand for if else?

Enter ternary operators. Ternary operator logic is the process of using "(condition) ? (true return value) : (false return value)" statements to shorten your if/else structures.

What is the difference between == and === operator in PHP?

Type comparison table. The operator == casts between two different types if they are different, while the === operator performs a 'typesafe comparison'. That means that it will only return true if both operands have the same type and the same value.

Why is it called a ternary operator?

The name ternary refers to the fact that the operator takes three operands. The condition is a boolean expression that evaluates to either true or false . ... The ternary operator is an expression (like price + 20 for example), which means that once executed, it has a value.

Is ternary operator faster than if?

There are no fundamental difference between ternary and if/else. Ternary is faster then if/else as long as no additional computation is required to convert the logic to us ternary. When it is a simply ternary operation, it has better readability as well.

What === means?

Strict equality (===) means values which we are comparing must have the same type. This means "2" will not be equal to 2 ("2"===2 it will return false) Type converting equality (==) means automatically it will covert the variable to value irrespective of data type; either it is a string or a number.

What are PHP functions?

Advertisements. PHP functions are similar to other programming languages. A function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value. You already have seen many functions like fopen() and fread() etc.

Is else PHP?

In PHP we have the following conditional statements: if statement - executes some code if one condition is true. if...else statement - executes some code if a condition is true and another code if that condition is false. ... elseif...else statement - executes different codes for more than two conditions.

Is empty in PHP?

Technical Details

Is null in PHP?

The is_null() function checks whether a variable is NULL or not. This function returns true (1) if the variable is NULL, otherwise it returns false/nothing.

Is PHP an array?

The is_array() function checks whether a variable is an array or not. This function returns true (1) if the variable is an array, otherwise it returns false/nothing.