How does if statement work in PHP?

How does if statement work in PHP?

In PHP we have the following conditional statements:

1. if statement – executes some code if one condition is true.
2. if…else statement – executes some code if a condition is true and another code if that condition is false.
3. if…elseif…else statement – executes different codes for more than two conditions.

What is if condition in PHP?

PHP if statement allows conditional execution of code. It is executed if condition is true. If statement is used to executes the block of code exist inside the if statement only if the specified condition is true.

What are the 4 PHP conditional statements?

PHP Conditional Statements

• The if statement.
• The if…else statement.
• The if… elseif….else statement.
• The switch… case statement.

How do you end an if statement in PHP?

After either branch has been executed, control returns to the point after the end If . The if statement will end if none of its conditions evaluate to true or if one of its conditions evaluate to true . The statement(s) associated with the first true condition will evaluate, and the if statement will end.

What are the 5 PHP operators?

PHP Operators

• Arithmetic operators.
• Assignment operators.
• Comparison operators.
• Increment/Decrement operators.
• Logical operators.
• String operators.
• Array operators.
• Conditional assignment operators.

Is true in PHP?

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

What is a PHP statement?

Any PHP script is built out of a series of statements. A statement can be an assignment, a function call, a loop, a conditional statement or even a statement that does nothing (an empty statement). Statements usually end with a semicolon. A statement-group is a statement by itself as well.

What is end if statement?

An IF statement is executed based on the occurrence of a certain condition. IF statements must begin with the keyword IF and terminate with the keyword END.

Does PHP have ++?

PHP supports C-style pre- and post-increment and decrement operators. Note: The increment/decrement operators only affect numbers and strings….Increment/decrement Operators.

Example	Name	Effect
$a++	Post-increment	Returns $a , then increments $a by one.
–$a	Pre-decrement	Decrements $a by one, then returns $a .