php function array_pad() that inserts a specified number of elements with a specified value into an array

Example

Returns 5 elements and inserts the "blue" value into a new element of the array:

<?php
$a=array("red","green");
print_r(array_pad($a,5,"blue"));
?>

Definition and usage

array_pad() FunctionInserts the specified number of elements with the specified value into the array.

Tip: If you set the size parameter to a negative number, this function inserts the new element before the original array (see example below).

Note : If the size parameter is smaller than the length of the original array, this function will not delete any elements.

Syntax

array_pad(array,size,value)

Parameters	Description
array	Required. Specifies an array.
size	Required. Specifies the number of array elements returned from the function.
value	Required. Specifies the value of the new element in the array returned from the function.

Technical details

Return value:	Returns an array with the new element.
PHP version:	4+

##More examples

Example 1

Use size parameters with negative values:

<?php
$a=array("red","green");
print_r(array_pad($a,-5,"blue"));
?>

Example:

<?php  
$a=array("Dog","Cat");  
print_r(array_pad($a,5,0));  
?>

Output:

Array ( [0] => Dog [1] => Cat [2] => 0 [3] => 0 [4] => 0 )

Example 2:

With negative size Parameter:

<?php  
$a=array("Dog","Cat");  
print_r(array_pad($a,-5,0));  
?>

Output:

Array ( [0] => 0 [1] => 0 [2] => 0 [3] => Dog [4] => Cat )

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