What are some best practices for efficiently handling multiple conditional statements in PHP?

When dealing with multiple conditional statements in PHP, it is best to use switch-case statements or ternary operators to improve code readability and efficiency. Switch-case statements are ideal when there are multiple conditions to check against a single variable, while ternary operators are useful for simple conditional assignments. Example PHP code snippet using switch-case statements: 

$color = "red";

switch ($color) {
    case "red":
        echo "The color is red.";
        break;
    case "blue":
        echo "The color is blue.";
        break;
    case "green":
        echo "The color is green.";
        break;
    default:
        echo "Unknown color.";
}
```

Example PHP code snippet using ternary operator:

```php
$age = 25;
$isAdult = ($age >= 18) ? "Yes" : "No";

echo "Is the person an adult? " . $isAdult;

Keywords

if-else switch-case ternary operator short-circuit evaluation nested conditions

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