Adapted for 5.4.16 from
https://github.com/php/php-src/commit/1f843a8fb50de77a3f53a6b892a46d9e0afdfdd7

See https://bugzilla.redhat.com/1408301


diff -up ./ext/openssl/openssl.c.old ./ext/openssl/openssl.c
--- ./ext/openssl/openssl.c.old	2018-06-19 14:29:32.461412077 +0200
+++ ./ext/openssl/openssl.c	2018-06-19 14:29:56.351152059 +0200
@@ -1038,6 +1038,7 @@ PHP_MINIT_FUNCTION(openssl)
 	le_x509 = zend_register_list_destructors_ex(php_x509_free, NULL, "OpenSSL X.509", module_number);
 	le_csr = zend_register_list_destructors_ex(php_csr_free, NULL, "OpenSSL X.509 CSR", module_number);
 
+	OPENSSL_config(NULL); 
 	SSL_library_init();
 	OpenSSL_add_all_ciphers();
 	OpenSSL_add_all_digests();
@@ -1178,6 +1179,7 @@ PHP_MINFO_FUNCTION(openssl)
 PHP_MSHUTDOWN_FUNCTION(openssl)
 {
 	EVP_cleanup();
+	CONF_modules_free();
 
 	php_unregister_url_stream_wrapper("https" TSRMLS_CC);
 	php_unregister_url_stream_wrapper("ftps" TSRMLS_CC);