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HashContext::__debugInfo

(PHP 8 >= 8.4.0)

HashContext::__debugInfo — Returns debugging information about the hashing context

说明

public function HashContext::__debugInfo(): array

This method is not meant to be called directly; it is invoked by var_dump() and related functions when inspecting a HashContext instance.

参数

此函数没有参数。

返回值

Returns an associative array of debugging information. It contains an algo key holding the name of the hashing algorithm in use by the context.

示例

示例 #1 HashContext::__debugInfo() example

<?php
$ctx = hash_init('sha256');
var_dump($ctx);
?>

以上示例会输出：

object(HashContext)#1 (1) {
  ["algo"]=>
  string(6) "sha256"
}

参见