Online PHP editor | output for p90Hb

@ 2014-08-03T17:06:18Z

<?php 
$price_check = '0';

if($price_check > '0'){
    if($price_check < '200' || $filter='200-500') echo"1";$filter='501';
    if($price_check < '100' || $filter='100-200') echo"2";
    if($price_check < '50' || $filter='50-100' ) echo"3";
    if($price_check < '20'  || $filter='20-50'  ) echo"4";
    if($price_check < '1'  || $filter='0-20'   ) echo"5";
}

echo $filter;

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: Warning: Undefined variable $filter in /in/p90Hb on line 12
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: filter in /in/p90Hb on line 12
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3: Notice: Undefined variable: filter in /in/p90Hb on line 12

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