ArrayHelper::extract()   A
last analyzed

Complexity

Conditions 4
Paths 4

Size

Total Lines 18
Code Lines 10

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 10
CRAP Score 4

Importance

Changes 0
Metric Value
dl 0
loc 18
ccs 10
cts 10
cp 1
rs 9.2
c 0
b 0
f 0
cc 4
eloc 10
nc 4
nop 2
crap 4
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<?php
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namespace Hgraca\Helper;
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use Hgraca\Helper\Concept\HelperAbstract;
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final class ArrayHelper extends HelperAbstract
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{
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    /**
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     * Renames the given data array keys for the corresponding values in $mapper.
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     * If $mapper does not have the key, the name is preserved.
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     *
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     * @param array $mapper [from => to]
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     */
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    public static function renameKeys(array $data, array $mapper): array
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    {
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        foreach ($mapper as $from => $to) {
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            if (isset($data[$from])) {
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                $data[$to] = $data[$from];
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                unset($data[$from]);
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            }
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        }
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        return $data;
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    }
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    /**
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     * Fetch array data in dot notation path
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     *
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     * @return mixed|null
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     */
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    public static function extract(array $data, string $path)
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    {
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        if ('' === $path) {
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            return $data;
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        }
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        $steps = explode('.', $path);
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        $actual = $data;
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        foreach ($steps as $step) {
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            if (!array_key_exists($step, $actual)) {
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                return null;
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            }
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            $actual = $actual[$step];
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        }
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        return $actual;
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    }
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    public static function isTwoDimensional(array $array): bool
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    {
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        $array = array_values($array);
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        return isset($array[0]) && is_array($array[0]);
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    }
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    /**
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     * Same as array_map, but recursive
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     */
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    public static function mapRecursive(callable $func, array $array)
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    {
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        return filter_var($array, \FILTER_CALLBACK, ['options' => $func]);
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    }
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}
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