/**
* @throws InvalidKey When a non-string key is encountered
* @throws InvalidValue When a non-string value is encountered
*/
public static function fromFlatArray(array $flatArray) : self
{
$originalCount = count($flatArray);
if ($originalCount > count(array_filter($flatArray, 'is_string', ARRAY_FILTER_USE_KEY))) {
throw InvalidKey::fromArrayWithNonStringKeys($flatArray);
}
if ($originalCount > count(array_filter($flatArray, 'is_string'))) {
throw InvalidValue::fromArrayWithNonStringValues($flatArray);
}
return new self($flatArray);
}
public function testFromArrayWithNonStringKeys()
{
$this->assertSame('Non-string key in array found', InvalidKey::fromArrayWithNonStringKeys([])->getMessage());
}