php questions

link -- Create a hard link

linkinfo -- Gets information about a link

lstat -- Gives information about a file or symbolic link

mkdir -- Makes directory

move_uploaded_file -- Moves an uploaded file to a new location

parse_ini_file -- Parse a configuration file

pathinfo -- Returns information about a file path

pclose -- Closes process file pointer

popen -- Opens process file pointer

readfile -- Outputs a file

readlink -- Returns the target of a symbolic link

realpath -- Returns canonicalized absolute pathname

rename -- Renames a file or directory

rewind -- Rewind the position of a file pointer

rmdir -- Removes directory

set_file_buffer -- Alias of stream_set_write_buffer()

stat -- Gives information about a file

symlink -- Creates a symbolic link

tempnam -- Create file with unique file name

tmpfile -- Creates a temporary file

touch -- Sets access and modification time of file

umask -- Changes the current umask

unlink -- Deletes a file





1.what is oops?







Types of arrays:

• Numerically indexed arrays

• Associative arrays

• Multidimensional arrays

• Sorting arrays