Method name camelCase (ARCH7002)

Key php.naming.method-name-camelcase · Severity warning · Category naming

PSR-1 requires method names to be declared in camelCase. snake_case or PascalCase method names create inconsistency across the codebase and make call sites unpredictable.

Incorrect

<?php

class OrderService
{
    public function Calculate_total(array $items): int
    {
        return array_sum($items);
    }
}

Correct

<?php

class OrderService
{
    public function calculateTotal(array $items): int
    {
        return array_sum($items);
    }
}

Fix

Rename the method to camelCase: first word lowercase, subsequent words capitalized.