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浠ヤ笅鏄竴涓畝鍗曠殑绀轰緥浠ｇ爜锛?/p>

<?php
// 妫€鏌ユ洿鏂?/span>
$updateInfo = json_decode(file_get_contents('http://example.com/update/update.json'), true);
$version = $updateInfo['version'];
if (version_compare($version, $currentVersion) > 0) {
// 闇€瑕佸崌绾?/span>
$newFileUrl = $updateInfo['file_url'];
$newFileName = $updateInfo['file_name'];
// 涓嬭浇鏂版枃浠?/span>
$newFilePath = 'update/' . $newFileName;
file_put_contents($newFilePath, file_get_contents($newFileUrl));
// 澶嶅埗鏂囦欢鍒板師浣嶇疆
copy($newFilePath, 'original_file.php');
// 鍒犻櫎鏇存柊鐩綍涓殑鏂囦欢
unlink($newFilePath);
}
?>

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