Sorts an integer array item by an arbitrary key.

Parameters

array $a: First item for comparison.

array $b: Second item for comparison.

string $key: The key to use in the comparison.

Return value

int The comparison result for uasort().

3 calls to SortArray::sortByKeyInt()

SortArray::sortByWeightElement in core/lib/Drupal/Component/Utility/SortArray.php

Sorts a structured array by the 'weight' element.

SortArray::sortByWeightProperty in core/lib/Drupal/Component/Utility/SortArray.php

Sorts a structured array by '#weight' property.

WidgetBase::extractFormValues in core/lib/Drupal/Core/Field/WidgetBase.php

Extracts field values from submitted form values.

File

core/lib/Drupal/Component/Utility/SortArray.php, line 121

Class

SortArray

Provides generic array sorting helper methods.

Namespace

Drupal\Component\Utility

Code

public static function sortByKeyInt($a, $b, $key) {
  $a_weight = is_array($a) && isset($a[$key]) ? $a[$key] : 0;
  $b_weight = is_array($b) && isset($b[$key]) ? $b[$key] : 0;
  return $a_weight <=> $b_weight;
}

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