How to use php next function

php The next function is used to point the internal pointer to the next element in the array and output it. Its syntax is next(array). The parameter array is required and refers to the array to be used.

#How to use php next function?

Definition and usage

next() function points the internal pointer to the next element in the array and outputs it.

Related methods:

prev() - Point the internal pointer to the previous element in the array and output it.

current() - Returns the value of the current element in the array.

end() - Sets the internal pointer to the last element in the array and outputs it.

reset() - Set the internal pointer to the first element in the array and output it.

each() - Returns the key name and key value of the current element and moves the internal pointer forward.

Syntax

next(array)

Parameters

array Required. Specifies the array to use.

Return value: If successful, return the value of the next element in the array, or return FALSE if there are no more array elements.

PHP Version: 4

Example 1

Demonstration of all relevant 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
?>

Output:

Peter
Joe
Joe
Peter
Cleveland
Glenn
Glenn
Peter
Joe

Array ( [1] => Joe [value] => Joe [0] => 1 [key] => 1 )

Example 2

Output the current element and the value of the next element in the array:

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br>";
echo next($people);
?>

Output:

Peter
Joe

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