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PHP Function array_pad()


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Syntax

array_pad ( $array, $pad_size, $pad_value );

Definition and Usage

Returns a copy of the array padded to size specified by pad_size with value pad_value.

If pad_size is positive then the array is padded on the right, if it's negative then on the left. If the absolute value of pad_size is less than or equal to the length of the input then no padding takes place. It is possible to add most 1048576 elements at a time.

Paramters

ParameterDescription
arrayRequired.Specifies an array.
pad_sizeRequired.Specifies the number of elements in the array returned from the function.
pad_valueRequired.Specifies the value of the new elements in the array returned from the function.

Return Values

It returns the resulting array.

Example

Try out following example:

<?php
$array1=array("a"=>"Horse","b"=>"Cat","c"=>"Dog");

print_r(array_pad($array1,7, "COW"));
?> 

This will produce following result:

Array 
( 
   [a] => Horse 
   [b] => Cat 
   [c] => Dog 
   [0] => COW 
   [1] => COW 
   [2] => COW 
   [3] => COW 
)

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