PHP if...else Statements, Easy To Learn if...else Statements Tutorial in PHP

PHP if...else Statements

PHP Conditional Statements

PHP if else statement to perform different actions for different conditions. You can use conditional statements in your code to do this.

In PHP we have the following conditional statements :

if statementÂ
if...else statement
if...elseif....else statement
switch statement

PHP if Statement

The if statement is used to execute a block of code only if the specified condition evaluates to true.

Syntax

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

The following example of if statement :

<!DOCTYPE html>
<html>
<head>
	<title>PHP if statement</title>
</head>

<body>

  <?php
    $time = date("H");
    if ($time < "18") {
        echo "Have a good day!";
    }
  ?>

</body>
</html>

Output :

PHP if...else Statement

PHP if-else statement is executed whether condition is true or false.

Syntax

if(condition){

//code to be executed if true

}else{

//code to be executed if false

}

The following example of if...else statement :

<!DOCTYPE html>
<html>
<head>
	<title>PHP if...else statement</title>
</head>

<body>

<?php
$time = date("H");

if ($time < "18") {
    echo "Hi, have a good day!";
} else {
    echo "Hi, have a good night!";
}
?>

</body>
</html>

Output :

PHP if...elseif....else Statement

The if-else-if-else statement lets you chain together multiple if-else statements, thus allowing the programmer to define actions for more than just two possible outcomes.

Syntax

if (condition) {

//code to be executed if true;

} elseif (condition) {

//code to be executed if true;

} else {

//code to be executed if false;

}

The following example of if...elseif...else statement :

<!DOCTYPE html>
<html>
<head>
	<title>PHP if...elseif....else statement</title>
</head>

<body>

<?php
	$time = date("H");
	if ($time < "11") {
		echo "Have a good morning!";
	} elseif ($time < "18") {
		echo "Have a good day!";
	} else {
		echo "Have a good night!";
	}
?>

</body>
</html>

Output :

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