3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $h = new SplMinHeap(); $h->insert(3); $h->insert(2); $h->insert(1); foreach ($h as $k => $e) { echo "$k $e\n"; }
Output for 5.3.15 - 5.3.29, 5.4.5 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
2 1 1 2 0 3
Output for 5.3.0 - 5.3.14, 5.4.0 - 5.4.4
3 1 2 2 1 3
Output for 5.0.0 - 5.2.17
Fatal error: Class 'SplMinHeap' not found in /in/OZ9XU on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: splminheap in /in/OZ9XU on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: splminheap in /in/OZ9XU on line 3