src/AbstractCollectionPlus.php
public function arsort($flags = SORT_REGULAR)
    {
        $this->_modified = true;
        return arsort($this->_storage, $flags);
    }
public function arsort($flags = SORT_REGULAR)
    {
        $this->_modified = true;
        return arsort($this->_storage, $flags);
    }
public function arsort ( $ flags = SORT_REGULAR ) { $ this -> _modified = true ; return arsort ( $ this -> _storage , $ flags ) ; }
Reverse sort values while retaining indices

@link http://www.php.net/manual/en/function.arsort.php

@param int $flags
@return bool
Reverse sort values while retaining indices