Add padding data

# sodium_pad

(PHP 7 >= 7.2.0, PHP 8)

sodium_pad — Add padding data

### Description

sodium_pad(#[\SensitiveParameter] string `$string`, int `$block_size`): string

Right-pad a string to a desired length. Timing-safe.

### Parameters

`string`
  Unpadded string.
`block_size`
  The string will be padded until it is an even multiple of the block size.

### Return Values

Padded string.

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