php - How to echo text based on highest number in set of variables? -


i interested in echoing specific text based on variable in set of variables, has greatest numeric value. example, if $var1 = 6, $var2 = 10, $var3 = 8 , $var4 = 4 i'd echo set of text based on variable has highest numerical number. looking @ website php array reference , saw code:

<?php $age = array("peter"=>"35", "ben"=>"37", "joe"=>"43"); arsort($age);  foreach($age $x => $x_value) {      echo "key=" . $x . ", value=" . $x_value;      echo "<br>"; } ?>

i wondering if there way switch code around sort variables value.

note: variables change throughout due user interaction.

$age = array("peter"=>"35", "ben"=>"37", "joe"=>"43"); arsort($age); reset($age); // not needed here, in general idea $oldest = key($age); if ($oldest == "peter") {   echo "pete's boss"; } else {   echo "pete's not boss"; }

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