3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 11; $base = 2; $stack = []; while( $num > 0) { array_push($stack,($num % $base)); // pushes remainder on stack $num = (int) ($num/$base); // no integer division } while($stack) { echo array_pop($stack); // 1011 in final iteration } echo "\n";
Output for 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 - 7.1.25, 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
1011
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/djYBA on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/djYBA on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/djYBA on line 5
Process exited with code 255.

preferences:
213.07 ms | 401 KiB | 328 Q