3v4l.org

run code in 300+ PHP versions simultaneously
<?php 0; $offset = $argv[0]; // beware, no input validation! $query = $offset; echo $query; 0; $offset='beware'; $query = $offset; echo $query; ?>
Output for 4.3.2 - 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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
/in/r24ksbeware
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: argv in /in/r24ks on line 5 beware

preferences:
296.97 ms | 402 KiB | 424 Q