php metrics checker over json output

php_metrics_checker

#!/usr/bin/env php
<?php
/**
 * check for metrics on jenkins
 * pass -d param with the path of phpmetrics output json
 */

function getHigherMetric($metrics, $value)
{
    $mappedMetrics = array_map(function ($metric) use ($value) {
        return $metric[$value];
    }, array_filter($metrics, function ($metric) use ($value) {
        return isset($metric[$value]);
    }));

    sort($mappedMetrics);
    return array_pop($mappedMetrics);
}

function getAvarageMetric($metrics, $value)
{
    $mappedMetrics = array_map(function ($metric) use ($value) {
        return $metric[$value];
    }, array_filter($metrics, function ($metric) use ($value) {
        return isset($metric[$value]);
    }));

    return number_format(
        array_sum($mappedMetrics) / count($mappedMetrics),
        3,
        '.',
        ''
    );
}

$options = getopt("d:");

if (!isset($options['d'])) {
    echo "path not provided" . PHP_EOL;
    exit(1);
}

$path = realpath(__DIR__ . '/' . $options['d']);

if (!file_exists($path)) {
    echo "file not found" . PHP_EOL;
    exit(1);
}

$metrics = json_decode(
    file_get_contents($options['d']),
    true
);

if (getHigherMetric($metrics, 'lcom') > 16) {
    echo "Max LCOM  greater than 16" . PHP_EOL;
    exit(1);
}

if (getAvarageMetric($metrics, 'lcom') > 1.789) {
    echo "Average LCOM  greater than 1.789" . PHP_EOL;
    exit(1);
}

if (getHigherMetric($metrics, 'lloc') > 210) {
    echo "Max Logical Lines of Code in class greater than 210" . PHP_EOL;
    exit(1);
}

// class ciclomatic complexity
if (getHigherMetric($metrics, 'ccn') > 21) {
    echo "Max Class Cyclomatic Complexity greater than 21" . PHP_EOL;
    exit(1);
}

// class ciclomatic complexity
if (getHigherMetric($metrics, 'ccnMethodMax') > 14) {
    echo "Max Method Cyclomatic Complexity greater than 14" . PHP_EOL;
    exit(1);
}

if (getAvarageMetric($metrics, 'ccn') > 2.747) {
    echo "Average Class Cyclomatic Complexity greater than 2.747" . PHP_EOL;
    exit(1);
}