reset

(PHP 4, PHP 5, PHP 7)

reset — Set the internal pointer of an array to its first element

Descrierea

mixed reset ( array &$array )

reset() rewinds array's internal pointer to the first element and returns the value of the first array element.

Parametri

array: The input array.

Valorile întoarse

Returns the value of the first array element, or FALSE if the array is empty.

Exemple

Example #1 reset() example


<?php

$array = array('step one', 'step two', 'step three', 'step four');

// by default, the pointer is on the first element
echo current($array) . "<br />\n"; // "step one"

// skip two steps
next($array);
next($array);
echo current($array) . "<br />\n"; // "step three"

// reset pointer, start again on step one
reset($array);
echo current($array) . "<br />\n"; // "step one"

?>

A se vedea și

current() - Return the current element in an array
each() - Return the current key and value pair from an array and advance the array cursor
end() - Set the internal pointer of an array to its last element
next() - Advance the internal array pointer of an array
prev() - Rewind the internal array pointer