openssl_csr_export_to_file
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_csr_export_to_file — Exports a CSR to a file
Description
openssl_csr_export_to_file(OpenSSLCertificateSigningRequest|string
$csr, string $output_filename, bool $no_text = true): bool
openssl_csr_export_to_file() takes the Certificate
Signing Request represented by csr and saves it
in PEM format into the file named by output_filename.
Parameters
-
csr -
See CSR parameters for a list of valid values.
-
output_filename -
Path to the output file.
-
no_text -
The optional parameter
notextaffects the verbosity of the output; if it isfalse, then additional human-readable information is included in the output. The default value ofnotextistrue.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
csr accepts an OpenSSLCertificateSigningRequest instance now;
previously, a resource of type OpenSSL X.509 CSR was accepted.
|
Examples
Example #1 openssl_csr_export_to_file() example
<?php
$subject = array(
"commonName" => "example.com",
);
$private_key = openssl_pkey_new(array(
"private_key_bits" => 2048,
"private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$csr = openssl_csr_new($subject, $private_key, array('digest_alg' => 'sha384') );
openssl_pkey_export_to_file($private_key, 'example-priv.key');
// Along with the subject, the CSR contains the public key corresponding to the private key
openssl_csr_export_to_file($csr, 'example-csr.pem');
?>
See Also
- openssl_csr_export() - Exports a CSR as a string
- openssl_csr_new() - Generates a CSR
- openssl_csr_sign() - Sign a CSR with another certificate (or itself) and generate a certificate
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