<?php

$number = 0;
$instance['number'] = 2;


$start = microtime( TRUE );
if ( !$number = (int) $instance['number'] )
    $number = 10;
else if ( $number < 1 )    $number = 1;
else if ( $number > 15 )
    $number = 15;

#$number = isset ( $instance['number'] ) ? min ( max ( 1, ( int ) $instance['number'] ), 15 ) : 10;



$stop = microtime( TRUE );
$time = $stop - $start;


echo "instance: {$instance['number']}\n";
echo "number: {$number}\n";

echo "Time : {$time}\n";
echo 'Mem: ' . memory_get_peak_usage() . "\n";
~