Dynamic Array

<?php

/*
 * Complete the 'dynamicArray' function below.
 *
 * The function is expected to return an INTEGER_ARRAY.
 * The function accepts following parameters:
 *  1. INTEGER n
 *  2. 2D_INTEGER_ARRAY queries
 */

function dynamicArray($number_of_empty_array, $queries_list) {
    // create number of empty array
    $sequences_list = [];
    for ($i = 0; $i < $number_of_empty_array; $i++) {
        $sequences_list[] = [];
    }

    $answer = [];
    $last_answer = 0;

    // search query
    foreach ($queries_list as $query) {
        // get query variable
        list($action, $index, $value) = $query;

        // find next index
        $next_index = ($index ^ $last_answer) % $number_of_empty_array;

        if ($action == 1) {
            // action = 1: add value to next index
            $sequences_list[$next_index][] = $value;
        } else {
            // action != 1
            // get next index sequence
            $temp = $sequences_list[$next_index];
            $temp_count = count($temp);
            // get sequence answer
            $last_answer = $sequences_list[$next_index][$value % $temp_count];
            $answer[] = $last_answer;
        }
    }

    return $answer;
}

$fptr = fopen(getenv("OUTPUT_PATH"), "w");

$first_multiple_input = explode(' ', rtrim(fgets(STDIN)));

$n = intval($first_multiple_input[0]);

$q = intval($first_multiple_input[1]);

$queries = array();

for ($i = 0; $i < $q; $i++) {
    $queries_temp = rtrim(fgets(STDIN));

    $queries[] = array_map('intval', preg_split('/ /', $queries_temp, -1, PREG_SPLIT_NO_EMPTY));
}

$result = dynamicArray($n, $queries);

fwrite($fptr, implode("\n", $result) . "\n");

fclose($fptr);