iterable_sort()

Complexity

Conditions	9
Paths	112

Size

Total Lines	30
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	19
CRAP Score	9.0101

Importance

Changes

0

<?php
function iterable_sort(iterable $iterable, $compare, bool $preserveKeys = false): \Generator
{
    expect_type(
        $compare,
        ['callable', 'int'],
        \TypeError::class,
        "Expected compare to be a callable or integer, %s given"
    );

    $comparator = is_int($compare) ? null : $compare;
    $flags = is_int($compare) ? $compare : 0;

    ['keys' => $keys, 'values' => $values] = $preserveKeys
        ? iterable_separate($iterable)
        : ['keys' => null, 'values' => is_array($iterable) ? $iterable : iterator_to_array($iterable, false)];

    if (!is_array($values)) {
        throw new \UnexpectedValueException("Values should be an array");
    }

    isset($comparator)
        ? uasort($values, $comparator)
        : asort($values, $flags);

    $counter = 0;
    unset($iterable);

    foreach ($values as $index => $value) {
        $key = isset($keys) ? $keys[$index] : $counter++;
        yield $key => $value;
    }