3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET["A"]; $offset = $argv[0]; // beware, no input validation! $query = $offset; echo $query; $offset='beware'; $query = $offset; echo $query; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "A" in /in/vIRMB on line 4 /in/vIRMBbeware
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: A in /in/vIRMB on line 4 /in/vIRMBbeware
Output for 7.3.32 - 7.3.33
/in/vIRMBbeware
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
Notice: Undefined index: A in /in/vIRMB on line 4 /in/vIRMBbeware
Output for 4.3.0 - 4.3.1
Notice: Undefined index: A in /in/vIRMB on line 4 Notice: Undefined variable: argv in /in/vIRMB on line 5 beware
preferences:
202.89 ms | 401 KiB | 313 Q