(PHP 5 >= 5.3.0, PHP 7) Sets the value at the specified $index to $newval

(PHP 5 >= 5.1.0, PHP 7) Portable file locking

(PHP 5, PHP 7) Get group for the current DirectoryIterator item

(PHP 5 >= 5.1.0, PHP 7) Call a function for every element in an iterator

(PHP 5 >= 5.3.0, PHP 7) Returns the data associated with an

(PHP 5 >= 5.2.0, PHP 7) Sort entries using a "natural order" algorithm

(PHP 5 >= 5.3.0, PHP 7) Removes an object from the storage

(PHP 5, PHP 7) Return the string representation of the current element

(PHP 5 >= 5.3.0, PHP 7) Returns the size of the array

(PHP 5 >= 5.1.2, PHP 7) Construct a new temporary file object