didagu

const board = [
    [5, 3, 0, 0, 7, 0, 0, 0, 0],
    [6, 0, 0, 1, 9, 5, 0, 0, 0],
    [0, 9, 8, 0, 0, 0, 0, 6, 0],
    [8, 0, 0, 0, 6, 0, 0, 0, 3],
    [4, 0, 0, 8, 0, 3, 0, 0, 1],
    [7, 0, 0, 0, 2, 0, 0, 0, 6],
    [0, 6, 0, 0, 0, 0, 2, 8, 0],
    [0, 0, 0, 4, 1, 9, 0, 0, 5],
    [0, 0, 0, 0, 8, 0, 0, 7, 9]

didagu

<?php
$board = [
    [5, 3, 0, 0, 7, 0, 0, 0, 0],
    [6, 0, 0, 1, 9, 5, 0, 0, 0],
    [0, 9, 8, 0, 0, 0, 0, 6, 0],
    [8, 0, 0, 0, 6, 0, 0, 0, 3],
    [4, 0, 0, 8, 0, 3, 0, 0, 1],
    [7, 0, 0, 0, 2, 0, 0, 0, 6],
    [0, 6, 0, 0, 0, 0, 2, 8, 0],
    [0, 0, 0, 4, 1, 9, 0, 0, 5],

didagu

<?php
function sumStrings($string1,$string2) {
    $result = (int) $string1 + (int) $string2;
    return (string) $result;
}

/*
* input: $string1 = "1", $string2 = "2"
*/

didagu

<?php

// first solution
function getOddOccurrenceFromArray1($arr) 
{ 
    $result = 0;  
    for ($i = 0; $i < sizeof($arr); $i++)      
    /*
     * Using xor bitwise operator, the final value of $result will
     * be the array item that occurred an odd number of time

didagu

$url="https://checkout.simplepay.ng/v2/payments/form/";
    $fields=array('key'=>'test_pu_18fb91d02d7c4be5a386309c882bd176',
        'description'=>'holla i am here',
        'payment_type'=>'checkout' ,
        'amount' => $subtotal,
        'email' => $email,
        'currency'=>'NGN',
        'payment_id'=>'XVTID',
        'success_url'=>'http://localhost/tender/tender/epayments/confirmation',
        'cancel_url'=>'http://localhost/tender/tender/epayments/confirmation',

didagu

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console