Function openssl_pkey_get_details can read this resource. Try:
<?php
print_r(openssl_pkey_get_details(openssl_csr_get_public_key($csr)));
?>
openssl_csr_get_public_key
(PHP 5 >= 5.2.0)
openssl_csr_get_public_key — Returns the public key of a CERT
Description
Warning
This function is currently not documented; only its argument list is available.
php at siemenroorda dot nl ¶
3 years ago
