Вячеслав Гречка

<?php
    function check_strings($str1, $str2)
    {
        $str_array1 = str_split($str1);
        $str_array2 = str_split($str2);
        foreach($str_array1 as $key => $value)
        {
            if($value == ' ')
            {
                unset($str_array1[$key]);
            }
        }
        foreach($str_array2 as $key => $value)
        {
            if($value == ' ')
            {
                unset($str_array2[$key]);
            }
        }
        if(array_diff($str_array1, $str_array2) && array_diff($str_array2, $str_array1))
        {
            echo 'false';
        }
        else
        {
            echo 'true';
        }
    }
    check_strings('clockwise', 'owe clicks');
    // check_strings('clockwise', 'clockwork');