Use asort() to sort by population. : Array sort « Data Structure « PHP

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PHP » Data Structure » Array sort 
Use asort() to sort by population.
 
<?
$population = array('New York, NY' =8008278,
                    'Los Angeles, CA' =3694820,
                    'Chicago, IL' =2896016);

$total_population = 0;
asort($population);
print "<table><tr><th>City</th><th>Population</th></tr>\n";
foreach ($population as $city => $people) {
    $total_population += $people;
    print "<tr><td>$city</td><td>$people</td></tr>\n";
    
}
print "<tr><td>Total</td><td>$total_population</td></tr>\n";
print "</table>\n";
?>
  
  
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