Answer & Solution
unlink() removes a file from the file system.
unlink() removes a file from the file system.
What does the PHP function is_file() check for?
A). Checks if a path is a regular file
B). Checks if a path is a directory
C). Checks if a file is writable
D). Checks if a file is readable
What is the purpose of the PHP function file_exists()?
A). Checks if a file or directory exists
B). Returns the absolute path of a file
C). Extracts the extension of a file path
D). Returns the parent directory of a file
Which PHP function changes the current directory?
A). chdir()
B). mkdir()
C). rmdir()
D). scandir()
What does the PHP function scandir() do?
A). Returns an array of files and directories in a directory
B). Returns the contents of a file
C). Returns the current working directory
D). Returns the size of a file
What is the purpose of the PHP function realpath()?
A). Returns the absolute path of a file
B). Returns the directory name component of a path
C). Returns an array of files and directories in a directory
D). Checks if a file or directory exists
What does the PHP function pathinfo() return?
A). Information about a file path
B). Extension of a file
C). Directory name component of a path
D). Size of a file
Which PHP function removes a directory?
A). rmdir()
B). mkdir()
C). chdir()
D). scandir()
Which PHP function returns the filename component of a path?
A). basename()
B). dirname()
C). realpath()
D). filename()
What does the PHP function dirname() return?
A). Directory name component of a path
B). Filename component of a path
C). Absolute path of a file
D). Parent directory of the current directory
Which PHP function extracts the extension of a file path?
A). pathinfo()
B). dirname()
C). realpath()
D). basename()