openssl_error_string
openssl_get_cipher_methods
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_error_string
openssl_get_cipher_methods
OpenSSL Functions
PHP Manual