PHP reset()Functions
Examples
Output the value of the current element and the next element in the array, then reset the array's internal pointer to the first element of the array:
<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br>";
echo next($people) . "<br>";
echo reset($people);
?>
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br>";
echo next($people) . "<br>";
echo reset($people);
?>
Run example »
Definition and Usage
The reset() function points the internal pointer to the first element of the array and outputs it.
Related methods:
- current()- Returns the value of the current element in the array.
- end()- Points the internal pointer to the last element of the array and outputs it.
- next()- Points the internal pointer to the next element of the array and outputs it.
- prev()- Points the internal pointer to the previous element of the array and outputs it.
- each()- Returns the key name and key value of the current element, and moves the internal pointer forward.
Syntax
reset(array)
| 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
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
?>
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($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
?>
Run example »
Complete PHP Array Reference Other Extensions