class ArrayUtils {
/**
* Sort the given array in a pseudo-random order which depends only on the
- * given key and each element value. This is typically used for load
+ * given key and each element value in $array. This is typically used for load
* balancing between servers each with a local cache.
*
* Keys are preserved. The input array is modified in place.
* justification for breaking compatibility with installations
* compiled with ./configure --disable-hash.
*
- * @param array $array Array to sort
+ * @param array &$array Array to sort
* @param string $key
* @param string $separator A separator used to delimit the array elements and the
* key. This can be chosen to provide backwards compatibility with
* function was introduced.
*/
public static function consistentHashSort( &$array, $key, $separator = "\000" ) {
- $hashes = array();
+ $hashes = [];
foreach ( $array as $elt ) {
$hashes[$elt] = md5( $elt . $separator . $key );
}
public static function arrayDiffAssocRecursive( $array1 ) {
$arrays = func_get_args();
array_shift( $arrays );
- $ret = array();
+ $ret = [];
foreach ( $array1 as $key => $value ) {
if ( is_array( $value ) ) {
- $args = array( $value );
+ $args = [ $value ];
foreach ( $arrays as $array ) {
if ( isset( $array[$key] ) ) {
$args[] = $array[$key];