How does laravel ftp use storage to determine whether a file exists?

1. Set ftp Host,username and password in filesystems.php under the config folder

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2.
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collect($results)->map(function($result) use($table){


$result["capture_photo_path"]Storage::get(),Storage::size()file_exists()
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he will report the error as shown above. I will only return true or false, to him now. If I judge that the file exists and I am deleting the file, I will not do anything if it does not exist. I would like to ask which function is used to judge whether the file on ftp exists, and I check the deletion above the document to determine whether it exists. What should the bosses do

?

storage::exists ($results ['capture_photo_path']) would be fine;

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