<?php
$text = "";
$word = "die('Lalala'); 1||1/e\0";
// Slightly contrived example, but let's pretend we're
// case-normalizing a user-provided word, and forgot to
// preg_quote
$text = preg_replace('/'.$word.'/i', $word, $text);
- Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- Warning: preg_replace(): NUL is not a valid modifier in /in/uWrso on line 8
- Output for 5.4.7 - 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
- Warning: preg_replace(): Null byte in regex in /in/uWrso on line 8
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.6
- Warning: Unexpected character in input: ' in /in/uWrso(8) : regexp code on line 1
Lalala
- 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
- Lalala
preferences:
253.74 ms | 402 KiB | 351 Q