What are the selection structures in PHP?

What are the selection structures?

Also known as a conditional structure, a selection structure is a programming feature that performs different processes based on whether a boolean condition is true or false. … If you want to test multiple conditions, then you can include an elseif structure within an if-end or if-else structure.

What are the three types of selection structures?

Control Structures – Selection

  • Sequential: default mode; Executed line by line, one right after the other.
  • Selection: decisions, branching; When there are 2 or more alternatives. Three types:
  • Repetition: used for looping, or repeating a section of code multiple times. Three types:

What are selection control structures?

In selection control structures, conditional statements are features of a programming language which perform different computations or actions depending on whether a programmer-specified Boolean condition evaluates to true or false.

What is the selection statement?

Selection statements allow a program to test several conditions, and execute instructions based on which condition is true. That is why selection statements are also referred to as conditional statements.

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What is oneway selection?

One-Way Selection

The syntax of one-way selection is: The statement is executed if the value of the expression is true. The statement is bypassed if the value is false; program goes to the next statement. if is a reserved word.

What are the basic control structures?

Flow of control through any given function is implemented with three basic types of control structures:

  • Sequential: default mode. …
  • Selection: used for decisions, branching — choosing between 2 or more alternative paths. …
  • Repetition: used for looping, i.e. repeating a piece of code multiple times in a row.

What are the major types of repetition structures?

Repetition statements fall into two general categories; while loops and for loops. Although it is possible to write every loop as a while loop (or every loop as a for loop), this is not a good idea. While loops should be used if the number of repetitions is not fixed.

What are the three basic types of control structures?

The three basic types of control structures are sequential, selection and iteration. They can be combined in any way to solve a specified problem. Sequential is the default control structure, statements are executed line by line in the order in which they appear.

What is multiple selection structure?

A multiple selection structure is useful when an algorithm contains a series of decisions in which a variable or expression is tested separately for one of several possible integral values.

Why is selection structure important in programming?

Why is selection important? Selection allows there to be more than one path through a program. Many solutions feature several choices or decisions. … Without selection it would not be possible to include different paths in programs, and the solutions we create would not be realistic.

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What are the two types of selection in computer?

There are 2 types of selection that you need to learn for GCSE: IF.. THEN .. ELSE .. ENDIF.

What are the 2 types of iteration?

There are two ways in which programs can iterate or ‘loop’:

  • count-controlled loops.
  • condition-controlled loops.

What are different types of control structures?

The three basic types of control structures are sequential, selection and iteration. They can be combined in any way to solve a specified problem. Sequential is the default control structure, statements are executed line by line in the order in which they appear.

What is C control structure?

Control structures and statements in C and C++ Control structures form the basic entities of a “structured programming language“. We all know languages like C/C++ or Java are all structured programming languages. Control structures are used to alter the flow of execution of the program.

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