php教程

mcrypt_enc_is_block_algorithm

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_enc_is_block_algorithm检测打开模式的算法是否为分组算法

Warning

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

说明

mcrypt_enc_is_block_algorithm ( resource $td ) : bool

打开模式的算法是否为分组算法。

参数

td

加密描述符。

返回值

如果是分组算法,返回 TRUE, 如果是流模式,返回 FALSE

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