super-powers/src/0a59c65c-9daf-4bc9-baf4-e063ff9e6a8a/code.power

84 lines
1.5 KiB
Plaintext
Raw Normal View History

2023-07-04 06:26:08 +00:00
/**
* Check if have an array with a length
*
* @input array The array to check
*
* @returns int|false number of items in array on success
*
* @since 3.2.0
*/
public static function check($array, $removeEmptyString = false)
{
if (is_array($array) && ($nr = count((array) $array)) > 0)
{
// also make sure the empty strings are removed
if ($removeEmptyString)
{
$array = array_filter($array);
if ($array === [])
{
return false;
}
return count($array);
}
return $nr;
}
return false;
}
/**
* Merge an array of array's
*
* @input array The arrays you would like to merge
*
* @returns array|null merged array on success
*
* @since 3.0.9
*/
public static function merge($arrays): ?array
{
if(self::check($arrays))
{
$merged = [];
foreach ($arrays as $array)
{
if (self::check($array))
{
$merged = array_merge($merged, $array);
}
}
return $merged;
}
return null;
}
/**
* Check if arrays intersect
*
* @input array The first array
* @input array The second array
*
* @returns bool true if intersect else false
*
* @since 3.1.1
*/
public static function intersect($a_array, $b_array): bool
{
// flip the second array
$b_array = array_flip($b_array);
// loop the first array
foreach ($a_array as $v)
{
if (isset($b_array[$v]))
{
return true;
}
}
return false;
}