What are php file operation functions?

What are php file operation functions?

/* * 1. get the path file name * String basename (string path [, string suffix]) * 2. obtain the Directory of the path * String dirname (string path) * 3. Learn more about paths. * Array pathinfo (string path) * 4. determine the absolute path. * String realpath (string path) * 5. determine the file size. * Int filesize (string filename) * 6. calculate the available disk space * Float disk_free_space (string directory) * 7. calculate the total disk capacity * Float disk_total_space (string directory) * 8. determine the last object access time. * Int fileatime (string filename) * 9. determine the last File change time * Int filectime (string filename) * 10. determine the last file modification time. * Int filemtime (string filename) * 11. identify the end character of a file * Int feof (string resource) * 12. open and close files * Resource fopen (string resource, string mode [, int use_include_path [, resource zountext]) * Boolean fclose (resource filehandle) * 13. read files into arrays * Array file9string filename [, int user_inlucde_path [, resource context]) * 14. read the file content into string variables * String file_get_contents (string filename [, int use_inlude_path [resource context]) * 15. read CSV files into arrays * Array fgetcsv (resource handle [, int length [, string delimiter [, string enclosure]) * 16. read a specified number of characters * String fgets (resource handle [, int length]) * 17. remove all HTML and PHP tags from the input. * String fgetss (resourcce handle, int length [, string allowable_tags]) * 18. one character is read at a time. * String fgetc (resource handle) * 19. Ignore line breaks * String freed (resource handle, int length) * 20. Read the entire file * Int readfile (string filename [, int use_include_path]) * 21. read files in predefined formats * Mixed fscanf (resource handle, string format [, string var1]) * 22. write strings to files. * Int fwrite (resource handle, string [, int length]) * 23. move the file pointer * Int fseek (resource handle, int offset [, int whence]) * * 1. open the directory handle. * Resource opendir (string path) * 2. close the directory handle. * Void closedir (resource directory_handle) * 3. parse the directory content * String readdir (resource directory_handle) * 4. Read the directory into an array. * Array scandir (string directory [, int sorting_order [, resource context]) * * * 1. delete a directory * Int rmdir (string dirname) * 2. rename a file * Boolean rename (string olename, string newname) * 3. touch a file * Int touch (sting filename [, int time [, int atime]) */