3v4l.org

run code in 300+ PHP versions simultaneously
<?php function compareVersion($version1, $version2) { $partsV1 = explode('.', $version1); $partsV2 = explode('.', $version2); $partsV1Size = count($partsV1); $partsV2Size = count($partsV2); $longest = max($partsV1Size, $partsV2Size); for ($i = 0; $i < $longest; ++$i) { $v1 = $partsV1Size > i ? intval($partsV1[$i]) : 0; $v2 = $partsV1Size > i ? intval($partsV2[$i]) : 0; if ($v1 < $v2) { return -1; } else if ($v1 > $v2) { return 1; } } return 0; } var_dump(compareVersion("01.0", "1"));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "i" in /in/IHAUn:10 Stack trace: #0 /in/IHAUn(21): compareVersion('01.0', '1') #1 {main} thrown in /in/IHAUn on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 10 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 11 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 10 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 11 Notice: Undefined offset: 1 in /in/IHAUn on line 11 int(0)
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 10 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 11 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 10 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/IHAUn on line 11 int(0)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 10 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 11 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 10 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 11 Notice: Undefined offset: 1 in /in/IHAUn on line 11 int(0)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 10 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 11 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 10 Notice: Use of undefined constant i - assumed 'i' in /in/IHAUn on line 11 Notice: Undefined offset: 1 in /in/IHAUn on line 11 int(0)
preferences:
225.37 ms | 403 KiB | 312 Q