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Boolestaxonomy.php

<?php
    //$a is the Array with final result that we gathered after traversing through all the words in the question
    $a = array(
        "Synthesize" => 3,
        "Evaluate" => 3,
        "Applying" => 3
        );
    //$priorities is just a array with constants that shouldn't be replaced which are ordered a/c to booles's taxonomy thing
    $priorities = array(
        "Synthesize" => 6,
        "Evaluate" => 5,
        "Analyzing" => 4,
        "Applying" => 3,
        "Understanding" => 2,
        "Remembering" => 1,
        
        );
    //$maximumValues has the maximum value from $a, here it is "3"
   $maximumValue = max($a);
   //$maxKeys has all the keys that have value $maximumValue i.e., 3 here, which gives ("Synthesize","Evaluate","Applying")
   //because all the keys have the $maximumValue of 3
   $maxKeys = array_keys($a,$maximumValue);
   //the condition is checking if more than one key has same maximumValue, in this case all have the maximumValue
   //by using the length of the array that we got before ($maxKeys);
   if(sizeof($maxKeys) > 1)
   {
       //if length of array is > 1, it means more keys have same value, we determine the best one using booles taxonomy and out $priorities array
       $maxpri = 0;
       //intiate maxpri with least priority that is not in priorities array i.e., 0
       foreach($maxKeys as $currkey => $value)
       {
           //if any key in array has greater than our current maxpri value, replace maxpri with that value, do this for all the array
           if($priorities[$value] > $maxpri)
                $maxpri = $priorities[$value];
       }
       //finally we have the value of maximum priority key in $maxpri
       //just print the key with that value in $priorities and that will be our result
       echo array_search($maxpri,$priorities)."\r\n";
   }
   else
   {
       //else just print the one and only one element in the maxKeys that has maximum Value!
       echo $maxKeys[0]."\r\n";
   }
?>