Laravel Coding Guidelines

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Use PHP Type declaration ​

PHP supports type declarations since PHP 7, and it's a good practice to utilize them when defining types in Laravel.

Bad:

php
public function calculateTotal($quantity, $price)
{
    return $quantity * $price;
}

Good:

php
public function calculateTotal(int $quantity, float $price): float
{
    return $quantity * $price;
}

Class type declaration

php
public function saveUser(User $user): void
{
    ...
}

DocBlocks as type declaration

php
/**
 * Calculate the total.
 *
 * @param int $quantity
 * @param float $price
 * @return float
 */
public function calculateTotal(int $quantity, float $price): float
{
    return $quantity * $price;
}