public function testThatKeysCanBeRemovedInArray()
{
$items = [["a" => "b", "c" => "d"], ["a" => "c", "c" => "e", "d" => "e"], null];
//Default action (delete)
$kept_keys = CollectionUtility::removeKeys($items, ["a", "c"]);
$this->assertEquals([[], ["d" => "e"], []], $kept_keys);
//Explicit action (delete)
$kept_keys = CollectionUtility::removeKeys($items, ["a", "c"], CollectionUtility::REMOVAL_ACTION_DELETE);
$this->assertEquals([[], ["d" => "e"], []], $kept_keys);
$special_items = [["animal" => "dog", "name" => "John", "weather" => "mild"], ["animal" => "cat", "name" => "William"]];
$kept_keys = CollectionUtility::removeKeys($special_items, ["animal", "weather"], CollectionUtility::REMOVAL_ACTION_DELETE);
$this->assertEquals([["name" => "John"], ["name" => "William"]], $kept_keys);
//Nullify action
$kept_keys = CollectionUtility::removeKeys($items, ["a", "c"], CollectionUtility::REMOVAL_ACTION_NULLIFY);
$this->assertEquals([["a" => null, "c" => null], ["a" => null, "c" => null, "d" => "e"], []], $kept_keys);
//Invalid actions
try {
CollectionUtility::removeKeys($items, ["a", "c"], "invalid");
$this->fail("Expected invalid argument exception");
} catch (\InvalidArgumentException $e) {
}
}
public function testThatKeysCanBeRemovedInMultiDimArray()
{
$items = [["a" => "b", "c" => "d"], ["a" => "c", "c" => "e", "d" => "e"], null];
$kept_keys = CollectionUtility::removeKeys($items, ["a", "c"]);
$this->assertEquals([[], ["d" => "e"], []], $kept_keys);
}
