要实现PHP文件复制和文件删除的同步，你可以使用以下方法：
copy()函数复制文件：$source = 'source_file.php';
$destination = 'destination_file.php';
if (copy($source, $destination)) {
echo "File copied successfully";
} else {
echo "Failed to copy file";
}
unlink()函数删除文件：$fileToDelete = 'file_to_delete.php';
if (unlink($fileToDelete)) {
echo "File deleted successfully";
} else {
echo "Failed to delete file";
}
function copyAndDeleteFile($source, $destination, $fileToDelete) {
if (copy($source, $destination)) {
echo "File copied successfully";
if (unlink($fileToDelete)) {
echo "File deleted successfully";
} else {
echo "Failed to delete file";
}
} else {
echo "Failed to copy file";
}
}
$source = 'source_file.php';
$destination = 'destination_file.php';
$fileToDelete = 'file_to_delete.php';
copyAndDeleteFile($source, $destination, $fileToDelete);
这样，当你调用copyAndDeleteFile()函数时，文件复制和删除操作将按顺序同步执行。如果复制成功，则尝试删除文件；如果删除成功，则输出相应的消息。
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