3v4l.org

run code in 300+ PHP versions simultaneously
<?php $it1 = new ArrayIterator(array(1,2,3)); $it2 = new ArrayIterator(array(4,5,6)); $multipleIterator = new MultipleIterator(); $multipleIterator->attachIterator($it1); $multipleIterator->attachIterator($it2); foreach ($multipleIterator as $key => $value) { var_dump($key, $value); }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { [0]=> int(0) [1]=> int(0) } array(2) { [0]=> int(1) [1]=> int(4) } array(2) { [0]=> int(1) [1]=> int(1) } array(2) { [0]=> int(2) [1]=> int(5) } array(2) { [0]=> int(2) [1]=> int(2) } array(2) { [0]=> int(3) [1]=> int(6) }
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 array(2) { [0]=> int(0) [1]=> int(0) } array(2) { [0]=> int(1) [1]=> int(4) } array(2) { [0]=> int(1) [1]=> int(1) } array(2) { [0]=> int(2) [1]=> int(5) } array(2) { [0]=> int(2) [1]=> int(2) } array(2) { [0]=> int(3) [1]=> int(6) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Warning: Illegal type returned from MultipleIterator::key() in /in/fP7b7 on line 11 int(0) array(2) { [0]=> int(1) [1]=> int(4) } Warning: Illegal type returned from MultipleIterator::key() in /in/fP7b7 on line 11 int(0) array(2) { [0]=> int(2) [1]=> int(5) } Warning: Illegal type returned from MultipleIterator::key() in /in/fP7b7 on line 11 int(0) array(2) { [0]=> int(3) [1]=> int(6) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Class 'MultipleIterator' not found in /in/fP7b7 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/fP7b7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/fP7b7 on line 3

preferences:
275.35 ms | 401 KiB | 458 Q