Description:
------------
Not all paths check for open_basedir, move the check to make sure it's always done.

https://github.com/php/php-src/pull/3230

Test script:
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<?php
ini_set('open_basedir', '/xyz/');
var_dump(openssl_pkey_get_public("file://cert.pem")); // cert.pem must exist

Expected result:
----------------
Warning: openssl_pkey_get_public(): open_basedir restriction in effect. File(cert.pem) is not within the allowed path(s): (/xyz/) in ... on line 3
bool(false)

Actual result:
--------------
Warning: openssl_pkey_get_public(): open_basedir restriction in effect. File(cert.pem) is not within the allowed path(s): (/xyz/) in ... on line 3
resource(4) of type (OpenSSL key)