OpenSSL Functions
PHP Manual

openssl_free_key

(PHP 4 >= 4.0.4, PHP 5)

openssl_free_key — Free key resource

Description

void openssl_free_key ( resource $key_identifier )

openssl_free_key() frees the key associated with the specified key_identifier from memory.

Parameters

key_identifier

Return Values

No value is returned.

OpenSSL Functions
PHP Manual