# sodium_pad

(PHP 7 >= 7.2.0, PHP 8)

sodium_pad — Add padding data

### 说明

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

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

### 参数

`string`

  Unpadded string.

`block_size`

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

### 返回值

Padded string.

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