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PHP: Manual

PHP Manual by the PHP Documentation Group php.net

PHP Manual
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current

(PHP 3, PHP 4 , PHP 5)

current -- Return the current element in an array

Description

mixed current ( array &array)

Every array has an internal pointer to its "current" element, which is initialized to the first element inserted into the array.

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, current() returns FALSE.

Warning

If the array contains empty elements (0 or "", the empty string) then this function will return FALSE for these elements as well. This makes it impossible to determine if you are really at the end of the list in such an array using current(). To properly traverse an array that may contain empty elements, use the each() function.

Example 1. Example use of current() and friends
<?php $transport = array('foot', 'bike', 'car', 'plane'); $mode = current($transport); // $mode = 'foot'; $mode = next($transport); // $mode = 'bike'; $mode = current($transport); // $mode = 'bike'; $mode = prev($transport); // $mode = 'foot'; $mode = end($transport); // $mode = 'plane'; $mode = current($transport); // $mode = 'plane'; ?>

See also end(), key(), next(), prev(), and reset().

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