What is the purpose of the file_exists() function in PHP?
- To check if a file or directory exists
- To read the contents of a file
- To write data to a file
- To delete a file or directory
The file_exists() function in PHP is used to check if a file or directory exists. It returns true if the specified file or directory exists and false otherwise. This function is useful for performing file operations based on the existence of files or directories. Learn more: http://php.net/manual/en/function.file-exists.php
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