Online PHP editor | output for mvp2H

@ 2018-04-09T19:19:28Z

<?php

$input = [.1, .2, .7];

function weightedSelector($input, $value){
    foreach ($input as $key => $value){
        $total = array_sum($input);
        $previous = array_sum(array_slice($input, 0, $key));
        
        $percentage = $total - $previous;
        
        print_r($total." ".$previous." ".$percentage);
        
        if ($value <= $percentage){
            return $key;
        }
    }
}

foreach ([.1, .15, .2, .29, .3, .4, .5, .8, .99, .66] as $value){
    print_r(weightedSelector($input, $value)." : ".$value);   
    // print_r("\n");
}

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 1 0 10 : 0.11 0 10 : 0.151 0 10 : 0.21 0 10 : 0.291 0 10 : 0.31 0 10 : 0.41 0 10 : 0.51 0 10 : 0.81 0 10 : 0.991 0 10 : 0.66
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1 0 10 : 0.11 0 10 : 0.151 0 10 : 0.21 0 10 : 0.291 0 10 : 0.31 0 10 : 0.41 0 10 : 0.51 0 10 : 0.81 0 10 : 0.991 0 10 : 0.66

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