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<?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 git.master, git.master_jit, rfc.property-hooks
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.

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