PHP Tutorial - If-Else Statements
🔀 If-Else - Decisions
Real Life:
🎓 Login Check:
If password correct → Welcome
Else → Invalid password
🌡️ Temperature:
If > 30°C → Hot
Else if > 20°C → Normal
Else → Cold
Syntax
if (condition) {
// code
} elseif (condition) {
// code
} else {
// code
}Comparison Operators
| Operator | Meaning |
|---|---|
| == | Equal (value) |
| === | Identical (value + type) |
| != | Not equal |
| > | Greater than |
| < | Less than |
Example
<?php
if ($age >= 18) {
echo "Adult";
} else {
echo "Minor";
}
?>