PHP if else
In this chapter you will learn:
- Description for if else statement
- Syntax for if else statement
- Note for if else statement
- Example - PHP if else statement
- Example - PHP if else statement ladder
Description
We can providing an alternative choice with the else statement.
Syntax
The PHP if else statement has the following syntax.
if(condition_0){//from j a va2s. c o m
...
}else{
...
}
or
if(condition_0){//from j av a 2 s . c o m
...
}elseif (condition_1){
}elseif (condition_2){
}else{
...
}
Note
else statement lets you run one block of code
if an expression is true, and a different block of code if the expression is false.
Example 1
<?PHP/*j a va 2s . co m*/
$myValue = 23;
if ( $myValue >= 10 ) {
echo "greater than 10.";
} else {
echo "Less than 10!";
}
?>
The code above generates the following result.
Example 2
You can even combine the else statement with another if statement to make as many alternative choices as you like:
<?php/*from j a v a 2 s . co m*/
$Age = 23;
if ($Age < 10) {
print "You're under 10";
} elseif ($Age < 20) {
print "You're under 20";
} elseif ($Age < 30) {
print "You're under 30";
} elseif ($Age < 40) {
print "You're under 40";
} else {
print "You're over 40";
}
?>
The code above generates the following result.
Next chapter...
What you will learn in the next chapter:
- When to use switch statement
- Syntax for PHP switch statement
- Note for switch statement
- Example - Using PHP switch statement