Logical Expression in PHP

        Today, we will talk about logical expression in PHP.
Syntax of the Logical expression are same as the other Programming languages i.e. C and java.
Syntax:
if Condition:
 if(condition)
 run this
if else Condition:

 if(condition)

 run this
else
run this

nested if else Condition:

 if(condition)

 run this
else if
 run this

else

run this

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PHP Code

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<?php

$a = 4;

$b = 5;

// if condition

if( $a > $b ) // if no curly braces is used, then only next line will be executed 

echo " <br/> a is  greater then b ";

echo " <br/> this will not depend on the condition ";

echo " <hr/> ";

if( $a < $b )  

echo " <br/> a is  less then b ";

echo " <br/> this will not depend on the condition ";

echo " <hr/> ";

if( $a > $b ) // if curly braces is used, then next line will also depend on condition 

{

echo " <br/> a is  greater then b";

echo " <br/> this will also depend on the condition ";

echo " <br/> this will also depend on the condition ";

}

echo " <hr/> ";

if( $a < $b )

{

echo " <br/> a is  less then b ";

echo " <br/> this will also depend on the condition ";

echo " <br/> this will also depend on the condition ";

}

echo " <hr/> ";

// if else condition

if  (  $a > $b )

{

echo " <br/> A is Greator then B ";

}

else 

{

echo " <br/> A is not Greator then B ";

}

?>

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