Define if statement in PHP - Computer Applications

Define if statement in PHP

Definition

If a statement executes a statement or a group of statements if a specific condition is satisfied as per the user expectation.

Syntax:

if (condition)
{
Execute statement(s) if condition is true;
}

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Control structures in PHP

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Chapter 6: PHP Conditional Statements - Evaluation - PART – II [Page 111]

Chapter 6 PHP Conditional Statements
Evaluation - PART – II | Q 2. | Page 111

Statement which is used to make choice between two options and only option is to be performed is written as ______.

What will be the output of the following PHP code?

<?php
$a = “ ”;
if ($a)
print “all”;
else
print “some”;
?>

What will be the output of the following PHP code?

<?php
$x = 10;
$y = 20;
if ($x > $y && 1||1)
print “hi” ;
else
print “how are u”;
?>

What will be the output of the following PHP code?

<?php
if (-100)
print “hi” ;
else
print “how are u”;
?>

What is if else statement in PHP?

Write the Syntax of the If else statement in PHP.

Compare if and if-else statement.

Differentiate if statement and if elseif statement.

Explain if else statement in PHP. With an example.