public function testSubArrayWithKeys()
{
$refArray = new WFArray(array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4));
$this->assertEquals(new WFArray(array('a' => 1, 'c' => 3)), $refArray->subArrayWithKeys(array('a', 'c')));
}
function testFirstNotNullOperator()
{
$a = new Node();
$a->name = NULL;
$b = new Node();
$b->name = "Name";
$array = new WFArray(array($a, $b));
$this->assertEquals("Name", $array->valueForKeyPath('*****@*****.**'));
}
/**
* Filter the WFArray according to function $fn. If calling $fn($item)
* returns true, include the item in the result, otherwise exclude it.
*
* @param WFFunction A WFFunction that returns true to include the item and false to exclude it.
* @return WFArray The filtered array.
*/
public function filter(WFFunction $fn)
{
$filtered = new WFArray();
foreach ($this as $entry) {
$include = $fn->call($entry);
if ($include) {
$filtered->append($entry);
}
}
return $filtered;
}
public function hasErrorWithCodeForKey($code, $key)
{
if (!$this->hasErrorsForKey($key)) {
return false;
}
$errorCodesForKey = WFArray::arrayWithArray($this->errorsForKey($key))->map('errorCode');
return in_array($code, $errorCodesForKey);
}