diff options
| -rw-r--r-- | lib/common.php | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/common.php b/lib/common.php index 7342c177a..b280afec0 100644 --- a/lib/common.php +++ b/lib/common.php @@ -45,11 +45,20 @@ define('FOREIGN_FRIEND_RECV', 2); set_include_path(get_include_path() . PATH_SEPARATOR . INSTALLDIR . '/extlib/'); -# To protect against upstream libraries which haven't updated -# for PHP 5.3 where dl() function may not be present... +// To protect against upstream libraries which haven't updated +// for PHP 5.3 where dl() function may not be present... if (!function_exists('dl')) { - function dl($library) { - return false; + // function_exists() returns false for things in disable_functions, + // but they still exist and we'll die if we try to redefine them. + // + // Fortunately trying to call the disabled one will only trigger + // a warning, not a fatal, so it's safe to leave it for our case. + // Callers will be suppressing warnings anyway. + $disabled = array_filter(array_map('trim', explode(',', ini_get('disable_functions')))); + if (!in_array('dl', $disabled)) { + function dl($library) { + return false; + } } } |