Zicht\Itertools\lib\Traits\DebugInfoTrait::__debugInfo()

Complexity

Conditions	5
Paths	5

Size

Total Lines	19
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	5.0113

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function __debugInfo()
    {
        if (!($this instanceof \Traversable)) {
            return [];
        }

        $duplicateKeys = [];
        $info = ['__length__' => 0];
        foreach ($this as $key => $value) {
            $key = (string)$key;
            while (array_key_exists($key, $info)) {
                $duplicateKeys[$key] = array_key_exists($key, $duplicateKeys) ? $duplicateKeys[$key] + 1 : 1;
                $key = sprintf('%s__#%s__', $key, $duplicateKeys[$key]);
            }
            $info[$key] = $value;
            $info['__length__'] += 1;
        }
        return $info;
    }
}