3v4l.org

run code in 300+ PHP versions simultaneously
<?php $it = new ArrayObject(); $it[] = 'Foo'; $it[] = 'Bar'; reset($it); do { echo current($it), "\n"; echo key($it), "\n"; } while (next($it));
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
Deprecated: reset(): Calling reset() on an object is deprecated in /in/j0ab9 on line 7 Deprecated: current(): Calling current() on an object is deprecated in /in/j0ab9 on line 10 Deprecated: key(): Calling key() on an object is deprecated in /in/j0ab9 on line 11 Deprecated: next(): Calling next() on an object is deprecated in /in/j0ab9 on line 12
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Output for 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Foo 0 Bar 1
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/j0ab9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/j0ab9 on line 3
preferences:
90.83 ms | 410 KiB | 5 Q