Day 8: Dictionaries and Maps

https://www.hackerrank.com/challenges/30-dictionaries-and-maps/problem

<?php
$_fp = fopen("php://stdin", "r");
/* Enter your code here. Read input from STDIN. Print output to STDOUT */
$cnt = trim(fgets($_fp));

$arr = [];
for($i=0;$i<$cnt;$i++){
    $str = explode(' ', trim(fgets($_fp)));
    $arr[$str[0]] = $str[1];
}

while(false !== ($str = fgets($_fp))){
    $str = trim($str);
    if(isset($arr[$str])){
        echo $str.'='.$arr[$str]."\n";
    } else {
        echo "Not found\n";
    }
}

?>