(PHP 5 >= 5.2.0, PHP 7)
openssl_csr_get_subject — Returns the subject of a CSR
openssl_csr_get_subject ( mixed $csr [, bool $use_shortnames = true ] ) : array|false
openssl_csr_get_subject() returns subject distinguished name information encoded in the csr
including fields commonName (CN), organizationName (O), countryName (C) etc.
csr
See CSR parameters for a list of valid values.
use_shortnames
shortnames
controls how the data is indexed in the array - if shortnames
is true
(the default) then fields will be indexed with the short name form, otherwise, the long name form will be used - e.g.: CN is the shortname form of commonName.
Returns an associative array with subject description, or false
on failure.
Example #1 openssl_csr_get_subject() example
<?php $subject = array( "countryName" => "CA", "stateOrProvinceName" => "Alberta", "localityName" => "Calgary", "organizationName" => "XYZ Widgets Inc", "organizationalUnitName" => "PHP Documentation Team", "commonName" => "Wez Furlong", "emailAddress" => "[email protected]", ); $private_key = openssl_pkey_new(array( "private_key_bits" => 2048, "private_key_type" => OPENSSL_KEYTYPE_RSA, )); $configargs = array( 'digest_alg' => 'sha512WithRSAEncryption' ); $csr = openssl_csr_new($subject, $privkey, $configargs); print_r(openssl_csr_get_subject($csr)); ?>
The above example will output something similar to:
Array ( [C] => CA [ST] => Alberta [L] => Calgary [O] => XYZ Widgets Inc [OU] => PHP Documentation Team [CN] => Wez Furlong [emailAddress] => [email protected] )
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.openssl-csr-get-subject.php