(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_csr_export — Exports a CSR as a string
$csr, OpenSSLAsymmetricKey &$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.
csrSee CSR parameters for a list of valid values.
outputon success, this string will contain the PEM encoded CSR
no_text
The optional parameter notext affects
the verbosity of the output; if it is false, then additional human-readable
information is included in the output. The default value of
notext is true.
Returns true on success or false on failure.
| Version | Description |
|---|---|
| 8.0.0 |
csr accepts an OpenSSLCertificateSigningRequest instance now;
previously, a resource of type OpenSSL X.509 CSR was accepted.
|
Example #1 openssl_csr_export() example
<?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;
?>