Logical_Operators

 <?php

    $age = 20;
    $age1 = 25;

    if($age >= 18 && $age <= 21)
    {
        echo "You are Eligible<br>";
    }
   
    if($age >= 18 || $age <= 21)
    {
        echo "You are Eligible<br>";
    }

    //Below condition is True So that "Not Operator(!)" will return False condition
    if(!($age >= 18))
    {
        echo "You are Eligible<br>";
    }

    //Below condition is False So that "Not Operator(!)" will return True condition
    if(!($age <= 18))
    {
        echo "You are Eligible<br>";
    }

    //If both condition is "True" OR "False" at that time xor will return "False" and if one condition is
    //"True" and second condition "False" at that time xor will retun "True"
    if($age >= 18 xor $age <= 21)
    {
        echo "You are Eligible brother";
    }

    if($age1 <= 18 xor $age1 >= 21)
    {
        echo "You are Eligible";
    }

//OUTPUT:
//You are Eligible
// You are Eligible
// You are Eligible
// You are Eligible

?>

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