3v4l.org

run code in 300+ PHP versions simultaneously
<?php $line = array(a,b,c); for ( $i = 0; $i < 1; $line[$i++] = 0 ) var_dump($line);
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
Fatal error: Uncaught Error: Undefined constant "a" in /in/5JaBo:2 Stack trace: #0 {main} thrown in /in/5JaBo on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/5JaBo on line 2 Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/5JaBo on line 2 Warning: Use of undefined constant c - assumed 'c' (this will throw an Error in a future version of PHP) in /in/5JaBo on line 2 array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" }
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant a - assumed 'a' in /in/5JaBo on line 2 Notice: Use of undefined constant b - assumed 'b' in /in/5JaBo on line 2 Notice: Use of undefined constant c - assumed 'c' in /in/5JaBo on line 2 array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" }

preferences:
159.35 ms | 403 KiB | 227 Q