3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = <<<'EOF' Line 1 Line 2 Line 3 Line 4 EOF; $tmpCsvFile = new SplTempFileObject(); $tmpCsvFile->fwrite($content); $iterator = new CallbackFilterIterator($tmpCsvFile, function ($row) { return true; }); echo 'Limit 2: ', iterator_count(new LimitIterator($iterator, 2)), ' ', iterator_count(new LimitIterator($tmpCsvFile, 2)), "\n"; echo 'Limit 3: ', iterator_count(new LimitIterator($iterator, 3)), ' ', iterator_count(new LimitIterator($tmpCsvFile, 3)), "\n";
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Limit 2: 2 2 Limit 3: 1 1
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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0
Limit 2: 2 2 Limit 3: 1 0
Output for 5.3.0 - 5.3.29
Fatal error: Class 'CallbackFilterIterator' not found in /in/AJBR9 on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_SL in /in/AJBR9 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 T_SL in /in/AJBR9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/AJBR9 on line 3
Process exited with code 255.
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