unreal4u\MQTT\Internals\GeneralTopicRules::generalRulesCheck()

Complexity

Conditions	4
Paths	4

Size

Total Lines	16
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	4

Importance

Changes

0

<?php
    protected function generalRulesCheck(string $topic): bool
    {
        if ($topic === '') {
            throw new \InvalidArgumentException('Topics must be at least 1 character long');
        }

        // UTF-8 topic names and filters must not be more than 65535 bytes in size
        if (\strlen($topic) > 65535) {
            throw new \OutOfBoundsException('Topics can not exceed 65535 bytes in size');
        }

        if (strpos($topic, \chr("\n")) !== false) {

' ' of type string is incompatible with the type integer expected by parameter $ascii of chr().

            throw new \InvalidArgumentException('Topics can not contain the termination character');
        }

        return true;
    }