3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyArrayIterator extends \ArrayIterator { private $foo = 'bar'; } $ai = new MyArrayIterator([]); var_dump(count($ai)); var_dump($ai->current()); var_dump(current($ai));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
int(0) NULL Deprecated: current(): Calling current() on an object is deprecated in /in/4MTF2 on line 11 string(3) "bar"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 int(0) NULL Deprecated: current(): Calling current() on an object is deprecated in /in/4MTF2 on line 11 string(3) "bar"
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(0) NULL string(3) "bar"
Output for 7.1.26 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
int(0) NULL bool(false)
preferences:
175.43 ms | 402 KiB | 184 Q