PHP reset() Function
PHP Array Reference
Example
Output the value of the current and next element in an array, then
reset the array's internal pointer to the first element in the array:
<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br>";
echo next($people) . "<br>";
echo reset($people);
?>
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Definition and Usage
The reset() function moves the internal pointer to the first element of the
array.
Related methods:
- current() - returns the value of
the current element in an array
- end() - moves the internal pointer to, and outputs, the last element in
the array
- next() - moves the internal pointer to, and outputs, the next element in
the array
- prev() - moves the internal pointer to, and outputs, the previous element
in the array
- each() - returns the current element key and value, and moves the internal
pointer forward
Syntax
Parameter |
Description |
array |
Required. Specifies the array to use |
Technical Details
Return Value: |
Returns the value of the first element in the array on
success, or FALSE
if the array is empty |
PHP Version: |
4+ |
More Examples
Example 1
A demonstration of all related methods:
<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo
current($people) . "<br>"; // The current element is Peter
echo
next($people) . "<br>"; // The next element of Peter is Joe
echo
current($people) . "<br>"; // Now the current element is Joe
echo prev($people) . "<br>";
// The previous element of Joe is Peter
echo end($people) . "<br>"; //
The last element is Cleveland
echo prev($people) . "<br>"; // The
previous element of Cleveland is Glenn
echo current($people) . "<br>"; //
Now the current element is Glenn
echo reset($people) . "<br>"; // Moves
the internal pointer to the first element of the array, which is Peter
echo next($people) . "<br>"; // The next element of Peter is Joe
print_r (each($people)); // Returns the key and value of the current element
(now Joe), and moves the internal pointer forward
?>
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