Before you can use the unlink() or rmdir() functions, you should use the ____________________ function to determine if the file or directory exists.
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Q74: The _ function returns a value of
Q75: Adding a "b" to the end of
Q76: Information about an uploaded file, such as
Q77: The _ function is an alias for
Q78: A new directory can be created using
Q79: The move_uploaded_file() function is used to move
Q80: A _ input field may be added
Q81: Use the unlink() function to _ files.
Q82: The _ function is the preferred method
Q84: When reading, a _ is defined as
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