In php, following are the conditional statements
If statement
If else statement
If elseif statement
Switch statement
if ($condition) {
echo “”;
}
CODE – If statement
$str = “God is one”;
if(isset($str))
{
echo “This variable is set”;
}
?>
OUTPUT
CODE – IF ELSE STATEMENT
$str1 = “God is one”;
if(isset($str))
{
echo “This variable is set”;
}
else
{
echo “This variable is not set”;
}
?>
OUTPUT
In the above example, value has been assigned to variable $str1
And checking the variable $str.
CODE – IF ELSE IF STATEMENT
$day = 7;
if($day==1)
{
echo “Day is Monday”;
}
else if($day==2)
{
echo “Day is Tuesday”;
}
else if($day==3)
{
echo “Day is Wednesday”;
}
else if($day==4)
{
echo “Day is Thursday”;
}
else if($day==5)
{
echo “Day is Friday”;
}
else if($day==6)
{
echo “Day is Saturday”;
}
else if($day==7)
{
echo “Day is Sunday”;
}
?>
OUTPUT
CODE SWITCH STATEMENT
$day = 6;
switch($day)
{
case 1:
echo “Day is Monday”;
break;
case 2:
echo “Day is Tuesday”;
break;
case 3:
echo “Day is Wednesday”;
break;
case 4:
echo “Day is Thursday”;
break;
case 5:
echo “Day is Friday”;
break;
case 6:
echo “Day is Saturday”;
break;
case 7:
echo “Day is Sunday”;
break;
}
?>
OUTPUT
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