PHP conditional statements are used in various conditions that require decision-making. A fundamental statement is the PHP if statement.
In PHP if statement is further branched into the following.,
PHP if statements :
PHP if is used, when validating a certain parameter and prompting a decision to be made.
Syntax :
if (condition) {
code to be executed if condition is true;
}
Example :
<?php
$a = 10;
if ($a > 5) {
global $a;
echo "The apples are $a";
}
?>
Output:
The apples are 10
PHP If…else statement :
The if…else statement is used to give more than one option of execution if one condition is false and the other is true.
Syntax :
if (condition) {
code to be executed if condition is true;
} else {
code to be executed if condition is false;
}
Example :
<?php
$a = 1;
if ($a > 5) {
global $a;
echo "The apples are $a";
} else{
echo "The apples are less then 5";
}
?>
Output:
The apples are lessthen 5
PHP If— elsif… else statement :
PHP If— elsif… else statement executes different codes for more than two conditions.
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 :
<?php
$a = 100;
if ($a > 5 && $a < 20) {
global $a;
echo "The apples are $a";
} elseif ($a < 5) {
echo "The apples are less than 5";
} else {
echo "There are too many apples to count in a second";
}
?>
Output:
There are too many apples to count in a second
Happy Learning 🙂