How to get the first element of an array in PHP? All methods and examples

Hello everyone! I'm a beginner PHP developer, and I have a problem that seems simple, but I'm confused about the different approaches.\n\nI need to get the first element of an array, but I don't know which method is best to use in different situations. I have several arrays:\n\n```php\n// Simple indexed array\n$fruits = ['apple', 'banana', 'orange'];\n\n// Associative array with unknown keys\n$user = ['name' => 'Ivan', 'age' => 25, 'city' => 'Moscow'];\n\n// Array that might be empty\n$data = [];\n```\n\nI tried using `$fruits[0]`, but it doesn't work for associative arrays. I also read about `reset()`, `array_shift()`, `current()` and `array_values()`, but I don't understand the difference and which method to choose.\n\nSpecific questions:\n1. What is the most reliable way to get