Prepends passed elements to the front of the array.
Syntax
array_unshift(array &$array, mixed ...$values): int
Parameters
array
The input array.
values
The values to prepend.
Return
Returns the new number of elements in the array.
Examples
1 · array values · one
<? $array = array("apple", "banana", "coconut"); $values = "date"; array_unshift($array, $values); print_r($array); ?>
Array ( [0] => date [1] => apple [2] => banana [3] => coconut )
2 · array values · multiple
<? $array = array("apple", "banana", "coconut"); $values1 = "date"; $values2 = array("grape", "orange"); $values3 = array("pineapple", "strawberry", "watermelon"); array_unshift($array, $values1, $values2, $values3); print_r($array); ?>
Array ( [0] => date [1] => Array ( [0] => grape [1] => orange ) [2] => Array ( [0] => pineapple [1] => strawberry [2] => watermelon ) [3] => apple [4] => banana [5] => coconut )
3 · return
<? $array = array("apple", "banana", "coconut"); $values1 = "date"; $values2 = array("grape", "orange"); $values3 = array("pineapple", "strawberry", "watermelon"); $return = array_unshift($array, $values1, $values2, $values3); print_r($return); ?>
6