Online PHP editor | rfc for 4ESFG

@ 2020-10-15T19:41:56Z

<?php

function high($input) {
    // Initialize: Convert the string to lowercase, and generate an array of the alphabet
    $input = strtolower($input);
    $alphabet = range('a', 'z');
    $values = array_flip($alphabet);

    // Split the words into an array, and declare initial scores
    $words = explode(" ", $input);
    $highestScore = null;
    $highestIndex = null;
    
    // Iterate over each word
    foreach($words as $k=>$w) {
        // Calculate the score of the current word
        // The score is the position of the flipped alphabet array, or 0 if its not in the lsit
        $score = array_sum(array_map(function($v) use ($values) {
            return $values[$v] ?? 0;
        }, str_split($w)));

        // If the current score is higher than the previous highest, overwrite it
        if ($highestScore < $score) {
            $highestScore = $score;
            $highestIndex = $k;
        }
    }

    // Return the word at the index where the score was the highest
    // If there were no scores (if $input is empty), return a default message
    return $words[$highestIndex] ?? 'N/A - No words found';
}

var_dump(high('man i need a taxi up to ubud'));

Output for git.master, git.master_jit, rfc.property-hooks: string(4) "taxi"

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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