openssl_x509_free Free certificate resource &warn.deprecated.function-8-0-0; &reftitle.description; voidopenssl_x509_free OpenSSLCertificatecertificate ¬e.resource-migration-8.0-dead-function; openssl_x509_free frees the certificate associated with the specified certificate resource from memory. &reftitle.parameters; certificate &reftitle.returnvalues; &return.void; &reftitle.changelog; &Version; &Description; 8.0.0 This function is now deprecated as it doesn't have an effect anymore. 8.0.0 certificate accepts an OpenSSLCertificate instance now; previously, a &resource; of type OpenSSL X.509 was accepted.