3v4l.org

run code in 300+ PHP versions simultaneously
<?php $chemin ='tmp/export_xlsx'; if (substr($chemin, strlen($chemin) - 1, 1)) { $chemin = substr($chemin, 0, $chemin - 1); } echo $chemin;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /in/pJDoV:6 Stack trace: #0 {main} thrown in /in/pJDoV on line 6
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/pJDoV on line 6 tmp/export_xls
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
tmp/export_xls

preferences:
168.49 ms | 402 KiB | 268 Q