How to reduce indentation level in given PHP code snippet - php

Question

How to refactor this snippet of code, to reduce indentation level by one?
I just wonder is it possible in PHP to write this code in a diffrent way, with just one level of indentation.
The code:
private function isArrayMatchingCriteria(array $array) {
foreach($array as $element) {
if (! $this->isElementMatchingCriteria($element) {
return false;
}
}
return true;
}
Please take into consideration, that:
this code doesn't always iterate over all array elements - so combination of count + array_filter / array_map isn't the same
it is easy to do by introducing a dedicated object attribute serving as a flag, but I'm looking for a way without introducing new attributes

Answer 1

If you're just looking to remove indentation, you could use:
private function isArrayMatchingCriteria(array $array) {
foreach($array as $element) {
if (!$this->isElementMatchingCriteria($element)) return false;
}
return true;
}

Answer 2

Use array_map, something like this:
class MyClass
{
private function isElementMatchingCriteria( $element )
{
// DUMMY, replace with actual code
if ( $element == "foo" || $element == "bar" ) {
return true;
} else {
return false;
}
} // end is Element Matching Criteria
public function isArrayMatchingCriteria(array $array)
{
$results = array_map( array( $this, "isElementMatchingCriteria"), $array );
$isMatch = true;
foreach ( $results as $result ) {
$isMatch = $isMatch && $result;
} // end foreach
return $isMatch;
} // end function isArrayMatchingCriteria
} // end MyClass
$myClass = new MyClass();
$array = array( "foo", "bar", "baz" );
$result = $myClass->isArrayMatchingCriteria( $array );
print_r( $result );