PHP if...else Statements: 008

[Cohort Master]

PHP - The if...else Statement
The if...else statement executes some code if a condition is true and another code if that condition is false.

Syntax

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<?php
if (condition) {
  // code to be executed if condition is true;
} else {
  // code to be executed if condition is false;
}
?>
Example
Output "Have a good day!" if the current time is less than 20, and "Have a good night!" otherwise:

Code Select Expand

<?php
$t = date("H");

if ($t < "20") {
  echo "Have a good day!";
} else {
  echo "Have a good night!";
}
?>
PHP - The if...elseif...else Statement
The if...elseif...else statement executes different codes for more than two conditions.

Syntax

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if (condition) {
  code to be executed if this condition is true;
} elseif (condition) {
  // code to be executed if first condition is false and this condition is true;
} else {
  // code to be executed if all conditions are false;
}
Example
Output "Have a good morning!" if the current time is less than 10, and "Have a good day!" if the current time is less than 20. Otherwise it will output "Have a good night!":

Code Select Expand

<?php
$t = date("H");

if ($t < "10") {
  echo "Have a good morning!";
} elseif ($t < "20") {
  echo "Have a good day!";
} else {
  echo "Have a good night!";
}
?>