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openssl_csr_export

PHP function Edit on GitHub ✎

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

Exports a CSR as a string

Description

openssl_csr_export(OpenSSLCertificateSigningRequest|string $csr, string $output, bool $no_text = true): bool

openssl_csr_export() takes the Certificate Signing Request represented by csr and stores it in PEM format in output, which is passed by reference.

Parameters

output: on success, this string will contain the PEM encoded CSR
no_text: Param-notext

Return Values

Success

Changelog

Version	Description
8.0.0	`csr` accepts an `OpenSSLCertificateSigningRequest` instance now; previously, a Resource of type `OpenSSL X.509 CSR` was accepted.

Examples

openssl_csr_export() example

php

<?php
$subject = array(
    "commonName" => "example.com",
);
$private_key = openssl_pkey_new(array(
    "private_key_bits" => 2048,
    "private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$configargs = array(
    'digest_alg' => 'sha256WithRSAEncryption'
);
$csr = openssl_csr_new($subject, $private_key, $configargs);
openssl_csr_export($csr, $csr_string);
echo $csr_string;
?>