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<?php $search = htmlentities("apple||phpinfo()/e\0"); echo "/" . $search . "/"; echo "\n"; if (strpos($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 5.4.7 - 5.6.28, 7.0.0 - 7.1.0
/apple||phpinfo()/e/ Warning: preg_replace(): Null byte in regex in /in/17PrZ on line 7
Output for hhvm-3.10.0 - 3.12.0
/apple||phpinfo()/e/ Fatal error: Error: Null byte found in pattern in /in/17PrZ on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.6
/apple||phpinfo()/e/ Warning: Unexpected character in input: ' in /in/17PrZ(7) : regexp code on line 1 Parse error: syntax error, unexpected 'src' (T_STRING) in /in/17PrZ(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: apple||phpinfo()/e in /in/17PrZ on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
/apple||phpinfo()/e/ Warning: Unexpected character in input: ' in /in/17PrZ(7) : regexp code on line 1 Parse error: syntax error, unexpected T_STRING in /in/17PrZ(7) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: apple||phpinfo()/e in /in/17PrZ on line 7
Process exited with code 255.
Output for 4.3.0 - 5.2.17
/apple||phpinfo()/e/ Notice: Use of undefined constant apple - assumed 'apple' in /in/17PrZ(7) : regexp code on line 1 Notice: Use of undefined constant apple - assumed 'apple' in /in/17PrZ(7) : regexp code on line 1 11