X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fglobal.php;h=be2e1a2eba9b3c17a6ee540b5bcf177c456edfca;hb=c997cbe6f5a46d432d7733acb207dfcdfd00e49e;hp=3e7e0ec4e2b6c5c5162794274f5875a036bbf7a4;hpb=918fcc1d131a60df5ba01212d61d82d753014468;p=squirrelmail.git diff --git a/functions/global.php b/functions/global.php index 3e7e0ec4..be2e1a2e 100644 --- a/functions/global.php +++ b/functions/global.php @@ -7,13 +7,17 @@ * It also has some session register functions that work across various * php versions. * - * @copyright © 1999-2006 The SquirrelMail Project Team + * @copyright 1999-2021 The SquirrelMail Project Team * @license http://opensource.org/licenses/gpl-license.php GNU Public License * @version $Id$ * @package squirrelmail */ /** + * These constants are used in the function sqgetGlobalVar(). See + * sqgetGlobalVar() for a description of what they mean. + * + * @since 1.4.0 */ define('SQ_INORDER',0); define('SQ_GET',1); @@ -83,6 +87,54 @@ function sqstripslashes(&$array) { } } +/** + * Squelch error output to screen (only) for the given function. + * If the SquirrelMail debug mode SM_DEBUG_MODE_ADVANCED is not + * enabled, error output will not go to the log, either. + * + * This provides an alternative to the @ error-suppression + * operator where errors will not be shown in the interface + * but will show up in the server log file (assuming the + * administrator has configured PHP logging). + * + * @since 1.4.12 and 1.5.2 + * + * @param string $function The function to be executed + * @param array $args The arguments to be passed to the function + * (OPTIONAL; default no arguments) + * NOTE: The caller must take extra action if + * the function being called is supposed + * to use any of the parameters by + * reference. In the following example, + * $x is passed by reference and $y is + * passed by value to the "my_func" + * function. + * sq_call_function_suppress_errors('my_func', array(&$x, $y)); + * + * @return mixed The return value, if any, of the function being + * executed will be returned. + * + */ +function sq_call_function_suppress_errors($function, $args=array()) { + global $sm_debug_mode; + + $display_errors = ini_get('display_errors'); + ini_set('display_errors', '0'); + + // if advanced debug mode isn't enabled, don't log the error, either + // + if (!($sm_debug_mode & SM_DEBUG_MODE_ADVANCED)) + $error_reporting = error_reporting(0); + + $ret = call_user_func_array($function, $args); + + if (!($sm_debug_mode & SM_DEBUG_MODE_ADVANCED)) + error_reporting($error_reporting); + + ini_set('display_errors', $display_errors); + return $ret; +} + /** * Add a variable to the session. * @param mixed $var the variable to register @@ -93,9 +145,7 @@ function sqsession_register ($var, $name) { sqsession_is_active(); - $_SESSION["$name"] = $var; - - session_register("$name"); + $_SESSION[$name] = $var; } /** @@ -109,7 +159,9 @@ function sqsession_unregister ($name) { unset($_SESSION[$name]); - session_unregister("$name"); + // starts throwing warnings in PHP 5.3.0 and is + // removed in PHP 6 and is redundant anyway + //session_unregister("$name"); } /** @@ -129,101 +181,298 @@ function sqsession_is_registered ($name) { return $result; } + +/** + * Retrieves a form variable, from a set of possible similarly named + * form variables, based on finding a different, single field. This + * is intended to allow more than one same-named inputs in a single + *