file_exists

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Checks whether a file or directory exists

file_exists ( string $filename ) : bool

filename

Path to the file or directory.

On windows, use //computername/share/filename or \computername\share\filename to check files on network shares.

Returns TRUE if the file or directory specified by filename exists; FALSE otherwise.

Note: This function will return FALSE for symlinks pointing to non-existing files.

Warning: This function returns FALSE for files inaccessible due to safe mode restrictions. However these files still can be included if they are located in safe_mode_include_dir.

Note: The check is done using the real UID/GID instead of the effective one.

Note: Because PHP's integer type is signed and many platforms use 32bit integers, some filesystem functions may return unexpected results for files which are larger than 2GB.

<?

$filename = $_SERVER["DOCUMENT_ROOT"] . "/assets/txt/file.txt";

$return = file_exists($filename);

var_export($return);

?>

true

PHP