Switch to extension_loaded instead of function_exists where it makes sense

This commit is contained in:
Cameron Eagans 2015-08-24 21:13:53 -06:00
parent 0f1d043428
commit a84699a346
5 changed files with 9 additions and 9 deletions

View File

@ -474,7 +474,7 @@ class RSA
define('CRYPT_RSA_MODE', self::MODE_INTERNAL);
break;
// openssl_pkey_get_details - which is used in the only place Crypt/RSA.php uses OpenSSL - was introduced in PHP 5.2.0
case !function_exists('openssl_pkey_get_details'):
case extension_loaded('openssl') && version_compare(PHP_VERSION, '5.2.0', "<="):
define('CRYPT_RSA_MODE', self::MODE_INTERNAL);
break;
case extension_loaded('openssl') && version_compare(PHP_VERSION, '4.2.0', '>=') && file_exists($this->configFile):

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@ -56,7 +56,7 @@ class Random
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
// method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call.
// ie. class_alias is a function that was introduced in PHP 5.3
if (function_exists('mcrypt_create_iv') && function_exists('class_alias')) {
if (extension_loaded('mcrypt') && function_exists('class_alias')) {
return mcrypt_create_iv($length);
}
// method 2. openssl_random_pseudo_bytes was introduced in PHP 5.3.0 but prior to PHP 5.3.4 there was,
@ -72,12 +72,12 @@ class Random
// https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/win32/winutil.c#L80
//
// we're calling it, all the same, in the off chance that the mcrypt extension is not available
if (function_exists('openssl_random_pseudo_bytes') && version_compare(PHP_VERSION, '5.3.4', '>=')) {
if (extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.4', '>=')) {
return openssl_random_pseudo_bytes($length);
}
} else {
// method 1. the fastest
if (function_exists('openssl_random_pseudo_bytes')) {
if (extension_loaded('openssl')) {
return openssl_random_pseudo_bytes($length);
}
// method 2
@ -95,7 +95,7 @@ class Random
// surprisingly slower than method 2. maybe that's because mcrypt_create_iv does a bunch of error checking that we're
// not doing. regardless, this'll only be called if this PHP script couldn't open /dev/urandom due to open_basedir
// restrictions or some such
if (function_exists('mcrypt_create_iv')) {
if (extension_loaded('mcrypt')) {
return mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
}
}

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@ -271,7 +271,7 @@ class BigInteger
}
}
if (function_exists('openssl_public_encrypt') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
// some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work
ob_start();
@phpinfo();

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@ -59,7 +59,7 @@ abstract class PhpseclibTestCase extends PHPUnit_Framework_TestCase
$value = constant($constant);
if ($value !== $expected) {
if (function_exists('runkit_constant_redefine')) {
if (extension_loaded('runkit')) {
if (!runkit_constant_redefine($constant, $expected)) {
self::markTestSkipped(sprintf(
"Failed to redefine constant %s to %s",
@ -88,7 +88,7 @@ abstract class PhpseclibTestCase extends PHPUnit_Framework_TestCase
*/
protected static function reRequireFile($filename)
{
if (function_exists('runkit_import')) {
if (extension_loaded('runkit')) {
$result = runkit_import(
sprintf('%s/../phpseclib/%s', __DIR__, $filename),
RUNKIT_IMPORT_FUNCTIONS |

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@ -9,7 +9,7 @@ class Unit_Math_BigInteger_InternalOpenSSLTest extends Unit_Math_BigInteger_Test
{
public static function setUpBeforeClass()
{
if (!function_exists('openssl_public_encrypt')) {
if (!extension_loaded('openssl')) {
self::markTestSkipped('openssl_public_encrypt() function is not available.');
}