3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heap = new SplMinHeap; $heap->insert([1, 1, 0]); $heap->insert([2, 2, 1]); $heap->insert([1, 2, 1]); $heap->insert([2, 1, 3]); foreach ($heap as $item) { echo implode(' ', $item) . "\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 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 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
1 1 0 1 2 1 2 1 3 2 2 1
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 '[', expecting ')' in /in/nhBOb on line 3
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 '[', expecting ')' in /in/nhBOb on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/nhBOb on line 3
Process exited with code 255.

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