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-rw-r--r--engine/lib/elgglib.php134
1 files changed, 79 insertions, 55 deletions
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 26c1cccfd..34111c69d 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -93,10 +93,17 @@ function elgg_register_library($name, $location) {
* @return void
* @throws InvalidParameterException
* @since 1.8.0
+ * @todo return boolean in 1.9 to indicate whether the library has been loaded
*/
function elgg_load_library($name) {
global $CONFIG;
+ static $loaded_libraries = array();
+
+ if (in_array($name, $loaded_libraries)) {
+ return;
+ }
+
if (!isset($CONFIG->libraries)) {
$CONFIG->libraries = array();
}
@@ -113,6 +120,8 @@ function elgg_load_library($name) {
);
throw new InvalidParameterException($error);
}
+
+ $loaded_libraries[] = $name;
}
/**
@@ -124,12 +133,11 @@ function elgg_load_library($name) {
* @param string $location URL to forward to browser to. Can be path relative to the network's URL.
* @param string $reason Short explanation for why we're forwarding
*
- * @return False False if headers have been sent. Terminates execution if forwarding.
+ * @return false False if headers have been sent. Terminates execution if forwarding.
+ * @throws SecurityException
*/
function forward($location = "", $reason = 'system') {
- global $CONFIG;
-
- if (!headers_sent()) {
+ if (!headers_sent($file, $line)) {
if ($location === REFERER) {
$location = $_SERVER['HTTP_REFERER'];
}
@@ -148,7 +156,7 @@ function forward($location = "", $reason = 'system') {
exit;
}
} else {
- throw new SecurityException(elgg_echo('SecurityException:ForwardFailedToRedirect'));
+ throw new SecurityException(elgg_echo('SecurityException:ForwardFailedToRedirect', array($file, $line)));
}
}
@@ -384,7 +392,7 @@ function elgg_load_external_file($type, $name) {
$item->url = '';
$item->location = '';
- $priority = $CONFIG->externals[$type]->add($item);
+ $CONFIG->externals[$type]->add($item);
$CONFIG->externals_map[$type][$name] = $item;
}
}
@@ -528,7 +536,7 @@ function sanitise_filepath($path, $append_slash = TRUE) {
* @param string $register Types of message: "error", "success" (default: success)
* @param bool $count Count the number of messages (default: false)
*
- * @return true|false|array Either the array of messages, or a response regarding
+ * @return bool|array Either the array of messages, or a response regarding
* whether the message addition was successful.
* @todo Clean up. Separate registering messages and retrieving them.
*/
@@ -562,7 +570,7 @@ function system_messages($message = null, $register = "success", $count = false)
return sizeof($_SESSION['msg'][$register]);
} else {
$count = 0;
- foreach ($_SESSION['msg'] as $register => $submessages) {
+ foreach ($_SESSION['msg'] as $submessages) {
$count += sizeof($submessages);
}
return $count;
@@ -671,7 +679,7 @@ function elgg_register_event_handler($event, $object_type, $callback, $priority
global $CONFIG;
if (empty($event) || empty($object_type)) {
- return FALSE;
+ return false;
}
if (!isset($CONFIG->events)) {
@@ -684,8 +692,8 @@ function elgg_register_event_handler($event, $object_type, $callback, $priority
$CONFIG->events[$event][$object_type] = array();
}
- if (!is_callable($callback)) {
- return FALSE;
+ if (!is_callable($callback, true)) {
+ return false;
}
$priority = max((int) $priority, 0);
@@ -695,7 +703,7 @@ function elgg_register_event_handler($event, $object_type, $callback, $priority
}
$CONFIG->events[$event][$object_type][$priority] = $callback;
ksort($CONFIG->events[$event][$object_type]);
- return TRUE;
+ return true;
}
/**
@@ -710,9 +718,12 @@ function elgg_register_event_handler($event, $object_type, $callback, $priority
*/
function elgg_unregister_event_handler($event, $object_type, $callback) {
global $CONFIG;
- foreach ($CONFIG->events[$event][$object_type] as $key => $event_callback) {
- if ($event_callback == $callback) {
- unset($CONFIG->events[$event][$object_type][$key]);
+
+ if (isset($CONFIG->events[$event]) && isset($CONFIG->events[$event][$object_type])) {
+ foreach ($CONFIG->events[$event][$object_type] as $key => $event_callback) {
+ if ($event_callback == $callback) {
+ unset($CONFIG->events[$event][$object_type][$key]);
+ }
}
}
}
@@ -735,7 +746,7 @@ function elgg_unregister_event_handler($event, $object_type, $callback) {
* @tip When referring to events, the preferred syntax is "event, type".
*
* @internal Only rarely should events be changed, added, or removed in core.
- * When making changes to events, be sure to first create a ticket in trac.
+ * When making changes to events, be sure to first create a ticket on Github.
*
* @internal @tip Think of $object_type as the primary namespace element, and
* $event as the secondary namespace.
@@ -770,14 +781,14 @@ function elgg_trigger_event($event, $object_type, $object = null) {
foreach ($events as $callback_list) {
if (is_array($callback_list)) {
foreach ($callback_list as $callback) {
- if (call_user_func_array($callback, $args) === FALSE) {
- return FALSE;
+ if (is_callable($callback) && (call_user_func_array($callback, $args) === false)) {
+ return false;
}
}
}
}
- return TRUE;
+ return true;
}
/**
@@ -836,7 +847,7 @@ function elgg_trigger_event($event, $object_type, $object = null) {
*
* @param string $hook The name of the hook
* @param string $type The type of the hook
- * @param callback $callback The name of a valid function or an array with object and method
+ * @param callable $callback The name of a valid function or an array with object and method
* @param int $priority The priority - 500 is default, lower numbers called first
*
* @return bool
@@ -850,7 +861,7 @@ function elgg_register_plugin_hook_handler($hook, $type, $callback, $priority =
global $CONFIG;
if (empty($hook) || empty($type)) {
- return FALSE;
+ return false;
}
if (!isset($CONFIG->hooks)) {
@@ -863,8 +874,8 @@ function elgg_register_plugin_hook_handler($hook, $type, $callback, $priority =
$CONFIG->hooks[$hook][$type] = array();
}
- if (!is_callable($callback)) {
- return FALSE;
+ if (!is_callable($callback, true)) {
+ return false;
}
$priority = max((int) $priority, 0);
@@ -874,7 +885,7 @@ function elgg_register_plugin_hook_handler($hook, $type, $callback, $priority =
}
$CONFIG->hooks[$hook][$type][$priority] = $callback;
ksort($CONFIG->hooks[$hook][$type]);
- return TRUE;
+ return true;
}
/**
@@ -882,16 +893,19 @@ function elgg_register_plugin_hook_handler($hook, $type, $callback, $priority =
*
* @param string $hook The name of the hook
* @param string $entity_type The name of the type of entity (eg "user", "object" etc)
- * @param callback $callback The PHP callback to be removed
+ * @param callable $callback The PHP callback to be removed
*
* @return void
* @since 1.8.0
*/
function elgg_unregister_plugin_hook_handler($hook, $entity_type, $callback) {
global $CONFIG;
- foreach ($CONFIG->hooks[$hook][$entity_type] as $key => $hook_callback) {
- if ($hook_callback == $callback) {
- unset($CONFIG->hooks[$hook][$entity_type][$key]);
+
+ if (isset($CONFIG->hooks[$hook]) && isset($CONFIG->hooks[$hook][$entity_type])) {
+ foreach ($CONFIG->hooks[$hook][$entity_type] as $key => $hook_callback) {
+ if ($hook_callback == $callback) {
+ unset($CONFIG->hooks[$hook][$entity_type][$key]);
+ }
}
}
}
@@ -970,10 +984,12 @@ function elgg_trigger_plugin_hook($hook, $type, $params = null, $returnvalue = n
foreach ($hooks as $callback_list) {
if (is_array($callback_list)) {
foreach ($callback_list as $hookcallback) {
- $args = array($hook, $type, $returnvalue, $params);
- $temp_return_value = call_user_func_array($hookcallback, $args);
- if (!is_null($temp_return_value)) {
- $returnvalue = $temp_return_value;
+ if (is_callable($hookcallback)) {
+ $args = array($hook, $type, $returnvalue, $params);
+ $temp_return_value = call_user_func_array($hookcallback, $args);
+ if (!is_null($temp_return_value)) {
+ $returnvalue = $temp_return_value;
+ }
}
}
}
@@ -1052,6 +1068,7 @@ function _elgg_php_exception_handler($exception) {
* @param array $vars An array that points to the active symbol table where error occurred
*
* @return true
+ * @throws Exception
* @access private
* @todo Replace error_log calls with elgg_log calls.
*/
@@ -1071,8 +1088,8 @@ function _elgg_php_error_handler($errno, $errmsg, $filename, $linenum, $vars) {
case E_USER_WARNING :
case E_RECOVERABLE_ERROR: // (e.g. type hint violation)
- // check if the error wasn't suppressed by @-functionname
- if(error_reporting()){
+ // check if the error wasn't suppressed by the error control operator (@)
+ if (error_reporting()) {
error_log("PHP WARNING: $error");
}
break;
@@ -1177,6 +1194,11 @@ function elgg_dump($value, $to_screen = TRUE, $level = 'NOTICE') {
$to_screen = FALSE;
}
+ // Do not want to write to JS or CSS pages
+ if (elgg_in_context('js') || elgg_in_context('css')) {
+ $to_screen = FALSE;
+ }
+
if ($to_screen == TRUE) {
echo '<pre>';
print_r($value);
@@ -1284,8 +1306,6 @@ function elgg_deprecated_notice($msg, $dep_version, $backtrace_level = 1) {
* @return string The current page URL.
*/
function current_page_url() {
- global $CONFIG;
-
$url = parse_url(elgg_get_site_url());
$page = $url['scheme'] . "://";
@@ -1330,7 +1350,7 @@ function full_url() {
"" : (":" . $_SERVER["SERVER_PORT"]);
// This is here to prevent XSS in poorly written browsers used by 80% of the population.
- // {@trac [5813]}
+ // https://github.com/Elgg/Elgg/commit/0c947e80f512cb0a482b1864fd0a6965c8a0cd4a
$quotes = array('\'', '"');
$encoded = array('%27', '%22');
@@ -1346,7 +1366,7 @@ function full_url() {
* @param array $parts Associative array of URL components like parse_url() returns
* @param bool $html_encode HTML Encode the url?
*
- * @return str Full URL
+ * @return string Full URL
* @since 1.7.0
*/
function elgg_http_build_url(array $parts, $html_encode = TRUE) {
@@ -1377,10 +1397,10 @@ function elgg_http_build_url(array $parts, $html_encode = TRUE) {
* add tokens to the action. The form view automatically handles
* tokens.
*
- * @param str $url Full action URL
- * @param bool $html_encode HTML encode the url? (default: false)
+ * @param string $url Full action URL
+ * @param bool $html_encode HTML encode the url? (default: false)
*
- * @return str URL with action tokens
+ * @return string URL with action tokens
* @since 1.7.0
* @link http://docs.elgg.org/Tutorials/Actions
*/
@@ -1432,17 +1452,17 @@ function elgg_http_remove_url_query_element($url, $element) {
}
$url_array['query'] = http_build_query($query);
- $string = elgg_http_build_url($url_array);
+ $string = elgg_http_build_url($url_array, false);
return $string;
}
/**
* Adds an element or elements to a URL's query string.
*
- * @param str $url The URL
- * @param array $elements Key/value pairs to add to the URL
+ * @param string $url The URL
+ * @param array $elements Key/value pairs to add to the URL
*
- * @return str The new URL with the query strings added
+ * @return string The new URL with the query strings added
* @since 1.7.0
*/
function elgg_http_add_url_query_elements($url, array $elements) {
@@ -1479,8 +1499,6 @@ function elgg_http_add_url_query_elements($url, array $elements) {
* @since 1.8.0
*/
function elgg_http_url_is_identical($url1, $url2, $ignore_params = array('offset', 'limit')) {
- global $CONFIG;
-
// if the server portion is missing but it starts with / then add the url in.
// @todo use elgg_normalize_url()
if (elgg_substr($url1, 0, 1) == '/') {
@@ -1619,7 +1637,7 @@ $sort_type = SORT_LOCALE_STRING) {
$sort = array();
- foreach ($array as $k => $v) {
+ foreach ($array as $v) {
if (isset($v[$element])) {
$sort[] = strtolower($v[$element]);
} else {
@@ -1638,7 +1656,7 @@ $sort_type = SORT_LOCALE_STRING) {
*
* @param string $ini_get_arg The INI setting
*
- * @return true|false Depending on whether it's on or off
+ * @return bool Depending on whether it's on or off
*/
function ini_get_bool($ini_get_arg) {
$temp = strtolower(ini_get($ini_get_arg));
@@ -1654,7 +1672,7 @@ function ini_get_bool($ini_get_arg) {
*
* @tip Use this for arithmetic when determining if a file can be uploaded.
*
- * @param str $setting The php.ini setting
+ * @param string $setting The php.ini setting
*
* @return int
* @since 1.7.0
@@ -1669,8 +1687,10 @@ function elgg_get_ini_setting_in_bytes($setting) {
switch($last) {
case 'g':
$val *= 1024;
+ // fallthrough intentional
case 'm':
$val *= 1024;
+ // fallthrough intentional
case 'k':
$val *= 1024;
}
@@ -1827,7 +1847,7 @@ function elgg_ajax_page_handler($page) {
*
* @param array $page The page array
*
- * @return void
+ * @return bool
* @elgg_pagehandler css
* @access private
*/
@@ -1883,7 +1903,7 @@ function elgg_cacheable_view_page_handler($page, $type) {
header("Content-type: $content_type");
// @todo should js be cached when simple cache turned off
- //header('Expires: ' . date('r', time() + 864000));
+ //header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+10 days")), true);
//header("Pragma: public");
//header("Cache-Control: public");
//header("Content-Length: " . strlen($return));
@@ -1891,6 +1911,7 @@ function elgg_cacheable_view_page_handler($page, $type) {
echo $return;
return true;
}
+ return false;
}
/**
@@ -2212,7 +2233,7 @@ function elgg_init() {
* @param array $params empty
*
* @elgg_plugin_hook unit_tests system
- * @return void
+ * @return array
* @access private
*/
function elgg_api_test($hook, $type, $value, $params) {
@@ -2224,7 +2245,10 @@ function elgg_api_test($hook, $type, $value, $params) {
}
/**#@+
- * Controlls access levels on ElggEntity entities, metadata, and annotations.
+ * Controls access levels on ElggEntity entities, metadata, and annotations.
+ *
+ * @warning ACCESS_DEFAULT is a place holder for the input/access view. Do not
+ * use it when saving an entity.
*
* @var int
*/
@@ -2258,7 +2282,7 @@ define('ELGG_ENTITIES_NO_VALUE', 0);
* referring page.
*
* @see forward
- * @var unknown_type
+ * @var int -1
*/
define('REFERRER', -1);
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-13 17:48:42 +0000