Same name and namespace in other branches

1. 9 core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php \Drupal\views_ui\Form\Ajax\RearrangeFilter::arrayKeyPlus()
2. 8.9.x core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php \Drupal\views_ui\Form\Ajax\RearrangeFilter::arrayKeyPlus()
3. 10 core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php \Drupal\views_ui\Form\Ajax\RearrangeFilter::arrayKeyPlus()

Adds one to each key of an array.

For example [0 => 'foo'] would be [1 => 'foo'].

Parameters

array $array: The array to increment keys on.

Return value

array The array with incremented keys.

2 calls to RearrangeFilter::arrayKeyPlus()

RearrangeFilter::submitForm in core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php

Form submission handler.

RearrangeFilterTest::testStaticMethods in core/modules/views_ui/tests/src/Unit/Form/Ajax/RearrangeFilterTest.php

Tests static methods.

File

core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php, line 344

Class

RearrangeFilter

Provides a rearrange form for Views filters.

Namespace

Drupal\views_ui\Form\Ajax

Code

public static function arrayKeyPlus($array) {
    $keys = array_keys($array);
    // Sort the keys in reverse order so incrementing them doesn't overwrite any
    // existing keys.
    rsort($keys);
    foreach ($keys as $key) {
        $array[$key + 1] = $array[$key];
        unset($array[$key]);
    }
    // Sort the keys back to ascending order.
    ksort($array);
    return $array;
}

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