openssl_csr_sign
openssl_free_key
OpenSSL Functions
PHP Manual

# openssl_error_string

(PHP 4 >= 4.0.6, PHP 5)

openssl_error_string — Return openSSL error message

### Description

string openssl_error_string ( void )

openssl_error_string() returns the last error from the openSSL library. Error messages are stacked, so this function should be called multiple times to collect all of the information.

### Return Values

Returns an error message string, or `FALSE` if there are no more error messages to return.

### Examples

Example#1 openssl_error_string() example

`<?php
// lets assume you just called an openssl function that failed
while ($msg = openssl_error_string())
echo $msg . "<br />\n";
?>`

openssl_csr_sign
openssl_free_key
OpenSSL Functions
PHP Manual