1--TEST-- 2openssl_sign() tests 3--EXTENSIONS-- 4openssl 5--FILE-- 6<?php 7$data = "Testing openssl_sign()"; 8$privkey = "file://" . __DIR__ . "/private_rsa_1024.key"; 9$wrong = "wrong"; 10 11var_dump(openssl_sign($data, $sign, $privkey, OPENSSL_ALGO_SHA256)); // no output 12var_dump(openssl_sign($data, $sign, $wrong)); 13?> 14--EXPECTF-- 15bool(true) 16 17Warning: openssl_sign(): Supplied key param cannot be coerced into a private key in %s on line %d 18bool(false) 19