<?php
 
 $cb = 2;
    $rb = 3;
    $lb = 4;
    $rwb = 5;
    $lwb = 1;
    $cdm = 8;
    $cm = 3;
    $rm = 4;
    $lm = 5;
    $cam = 5;
    $cf = 6;
    $rf = 7;
    $lf = 8;
    $rw = 12;
    $lw = 10;
    $st = 0;
 
    $arr = array("cb","rb","lb","rwb","lwb","cdm","cm","rm","lm","cam","cf","rf","lf","rw","lw","st");
    $result = compact($arr);
    print_r($result);
 
    $maior =(max($result));
    echo $maior."\n";
 
    $chave = array_search(max($result), $result);
 
    echo $chave;

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