current
(PHP 4, PHP 5, PHP 7, PHP 8)
Return the current element in an array
Description
Every array has an internal pointer to its "current" element, which is initialized to the first element inserted into the array.
Parameters
arrayThe array.
Return Values
The current() function simply returns the value of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any way. If the internal pointer points beyond the end of the elements list or the array is empty, current() returns false.
Falseproblem
Changelog
| Version | Description |
|---|
Examples
Example use of current() and friends
<?php
$transport = array('foot', 'bike', 'car', 'plane');
echo $mode = current($transport), PHP_EOL; // $mode = 'foot';
echo $mode = next($transport), PHP_EOL; // $mode = 'bike';
echo $mode = current($transport), PHP_EOL; // $mode = 'bike';
echo $mode = prev($transport), PHP_EOL; // $mode = 'foot';
echo $mode = end($transport), PHP_EOL; // $mode = 'plane';
echo $mode = current($transport), PHP_EOL; // $mode = 'plane';
$arr = array();
var_dump(current($arr)); // bool(false)
$arr = array(array());
var_dump(current($arr)); // array(0) { }
?>Notes
The results of calling current() on an empty array and on an array, whose internal pointer points beyond the end of the elements, are indistinguishable from a bool false element. To properly traverse an array which may contain false elements, see the Foreach control structure.
To still use current() and properly check if the value is really an element of the array, the key() of the current() element should be checked to be strictly different from null.