If...Else Statements in PHP

If....else statements are used to perform different actions on different conditions.

There are following statements in PHP .

if statement
if...else statement
if...elseif....else statement
switch...case statement

1) if Statement in PHP.

If the condition is true, then the statement is executed. If the condition is not true , then the statement is not executed then instead the program skip past it.

Syntax

	
if(condition){    
    //code to be executed    
  }   

Example :-

<!DOCTYPE html>
<html lang="en">
<head>
    <title>PHP if Statement</title>
</head>
<body>

<?php
$d = date("D");
if($d == "Fri"){
    echo "Have a nice Day!";
}
?>
</body>
</html>         
 

Output

Have a nice Day!

2) if...else Statement in PHP.

if-else are two condition . first condition is true this is executed, and second is false.

Syntax :-

if (condition) {
    code to be executed if condition is true;
} else {
    code to be executed if condition is false;
}

Example :-

<!DOCTYPE html>
<html>
<body>

<?php
$t = date("Sunday");

if ($t < "Monday") {
    echo "Have a good day!";
} else {
    echo "Condition is false";
}
?>
 
</body>
</html>
 

Output

Condition is false

3) if...elseif...else Statement in PHP

if....elseif...else statement executes different codes, more than two conditions.

Multiple Statement, executes one Condition.

Syntax

if (condition) {
    code to be executed if this condition is true;
} elseif (condition) {
    code to be executed if this condition is true;
} else {
    code to be executed if all conditions are false;
}
 

Example :-

<!DOCTYPE html>
<html lang="en">
<head>
    <title>PHP if-elseif-else Statement</title>
</head>
<body>

<?php
$d = date("D");
if($d == "Fri"){
    echo "Have a nice weekend!";
} elseif($d == "Sun"){
    echo "Have a nice Sunday!";
} else{
    echo "Have a nice day!";
}
?>
 </body>
</html>                
 

Output

Have a nice weekend!

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If...Else Statements in PHP

1) if Statement in PHP.

Example :-

2) if...else Statement in PHP.

Example :-

3) if...elseif...else Statement in PHP

Example :-