Replaced " with '

13 files changed, 95 insertions, 71 deletions

diff --git a/includes/model/AngelType_model.php b/includes/model/AngelType_model.php
index eedcdfbc..c3270863 100644
--- a/includes/model/AngelType_model.php
+++ b/includes/model/AngelType_model.php
@@ -9,7 +9,7 @@ function AngelType_new()
 {
     return [
         'id'                      => null,
-        'name'                    => "",
+        'name'                    => '',
         'restricted'              => false,
         'no_self_signup'          => false,
         'description'             => '',
@@ -82,11 +82,12 @@ function AngelType_delete($angeltype)
     $result = sql_query("
       DELETE FROM `AngelTypes` 
       WHERE `id`='" . sql_escape($angeltype['id']) . "' 
-      LIMIT 1");
+      LIMIT 1
+    ");
     if ($result === false) {
-        engelsystem_error("Unable to delete angeltype.");
+        engelsystem_error('Unable to delete angeltype.');
     }
-    engelsystem_log("Deleted angeltype: " . AngelType_name_render($angeltype));
+    engelsystem_log('Deleted angeltype: ' . AngelType_name_render($angeltype));
     return $result;
 }
 
@@ -111,9 +112,13 @@ function AngelType_update($angeltype)
       `contact_email`=" . sql_null($angeltype['contact_email']) . "
       WHERE `id`='" . sql_escape($angeltype['id']) . "'");
     if ($result === false) {
-        engelsystem_error("Unable to update angeltype.");
+        engelsystem_error('Unable to update angeltype.');
     }
-    engelsystem_log("Updated angeltype: " . $angeltype['name'] . ($angeltype['restricted'] ? ", restricted" : "") . ($angeltype['no_self_signup'] ? ", no_self_signup" : "") . ($angeltype['requires_driver_license'] ? ", requires driver license" : ""));
+    engelsystem_log(
+        'Updated angeltype: ' . $angeltype['name'] . ($angeltype['restricted'] ? ', restricted' : '')
+        . ($angeltype['no_self_signup'] ? ', no_self_signup' : '')
+        . ($angeltype['requires_driver_license'] ? ', requires driver license' : '')
+    );
     return $result;
 }
 
@@ -140,7 +145,9 @@ function AngelType_create($angeltype)
         engelsystem_error("Unable to create angeltype.");
     }
     $angeltype['id'] = sql_id();
-    engelsystem_log("Created angeltype: " . $angeltype['name'] . ($angeltype['restricted'] ? ", restricted" : "") . ($angeltype['requires_driver_license'] ? ", requires driver license" : ""));
+    engelsystem_log(
+        'Created angeltype: ' . $angeltype['name'] . ($angeltype['restricted'] ? ', restricted' : '') 
+        . ($angeltype['requires_driver_license'] ? ', requires driver license' : ''));
     return $angeltype;
 }
 
@@ -156,8 +163,8 @@ function AngelType_create($angeltype)
 function AngelType_validate_name($name, $angeltype)
 {
     $name = strip_item($name);
-    if ($name == "") {
-        return new ValidationResult(false, "");
+    if ($name == '') {
+        return new ValidationResult(false, '');
     }
     if ($angeltype != null && isset($angeltype['id'])) {
         $valid = sql_num_query("
@@ -194,7 +201,7 @@ function AngelTypes_with_user($user)
       AND `UserAngelTypes`.`user_id`=" . $user['UID'] . "
       ORDER BY `name`");
     if ($result === false) {
-        engelsystem_error("Unable to load angeltypes.");
+        engelsystem_error('Unable to load angeltypes.');
     }
     return $result;
 }
@@ -211,7 +218,7 @@ function AngelTypes()
       FROM `AngelTypes` 
       ORDER BY `name`");
     if ($result === false) {
-        engelsystem_error("Unable to load angeltypes.");
+        engelsystem_error('Unable to load angeltypes.');
     }
     return $result;
 }
@@ -225,7 +232,7 @@ function AngelType_ids()
 {
     $result = sql_select("SELECT `id` FROM `AngelTypes`");
     if ($result === false) {
-        engelsystem_error("Unable to load angeltypes.");
+        engelsystem_error('Unable to load angeltypes.');
     }
     return select_array($result, 'id', 'id');
 }
@@ -240,7 +247,7 @@ function AngelType($angeltype_id)
 {
     $angelType_source = sql_select("SELECT * FROM `AngelTypes` WHERE `id`='" . sql_escape($angeltype_id) . "'");
     if ($angelType_source === false) {
-        engelsystem_error("Unable to load angeltype.");
+        engelsystem_error('Unable to load angeltype.');
     }
     if (count($angelType_source) > 0) {
         return $angelType_source[0];
diff --git a/includes/model/EventConfig_model.php b/includes/model/EventConfig_model.php
index 93ba1e72..330863a9 100644
--- a/includes/model/EventConfig_model.php
+++ b/includes/model/EventConfig_model.php
@@ -7,9 +7,9 @@
  */
 function EventConfig()
 {
-    $event_config = sql_select("SELECT * FROM `EventConfig` LIMIT 1");
+    $event_config = sql_select('SELECT * FROM `EventConfig` LIMIT 1');
     if ($event_config === false) {
-        engelsystem_error("Unable to load event config.");
+        engelsystem_error('Unable to load event config.');
         return false;
     }
     if (count($event_config) > 0) {
diff --git a/includes/model/LogEntries_model.php b/includes/model/LogEntries_model.php
index 7bcb868e..920b1945 100644
--- a/includes/model/LogEntries_model.php
+++ b/includes/model/LogEntries_model.php
@@ -9,7 +9,13 @@
  */
 function LogEntry_create($nick, $message)
 {
-    return sql_query("INSERT INTO `LogEntries` SET `timestamp`='" . sql_escape(time()) . "', `nick`='" . sql_escape($nick) . "', `message`='" . sql_escape($message) . "'");
+    return sql_query("
+        INSERT INTO `LogEntries`
+        SET
+            `timestamp`='" . sql_escape(time()) . "',
+            `nick`='" . sql_escape($nick) . "',
+            `message`='" . sql_escape($message) . "'
+    ");
 }
 
 /**
@@ -19,7 +25,7 @@ function LogEntry_create($nick, $message)
  */
 function LogEntries()
 {
-    return sql_select("SELECT * FROM `LogEntries` ORDER BY `timestamp` DESC LIMIT 10000");
+    return sql_select('SELECT * FROM `LogEntries` ORDER BY `timestamp` DESC LIMIT 10000');
 }
 
 /**
@@ -30,10 +36,16 @@ function LogEntries()
  */
 function LogEntries_filter($keyword)
 {
-    if ($keyword == "") {
+    if ($keyword == '') {
         return LogEntries();
     }
-    return sql_select("SELECT * FROM `LogEntries` WHERE `nick` LIKE '%" . sql_escape($keyword) . "%' OR `message` LIKE '%" . sql_escape($keyword) . "%' ORDER BY `timestamp` DESC");
+    return sql_select("
+        SELECT *
+        FROM `LogEntries`
+        WHERE `nick` LIKE '%" . sql_escape($keyword) . "%'
+        OR `message` LIKE '%" . sql_escape($keyword) . "%'
+        ORDER BY `timestamp` DESC
+    ");
 }
 
 /**
@@ -43,5 +55,5 @@ function LogEntries_filter($keyword)
  */
 function LogEntries_clear_all()
 {
-    return sql_query("TRUNCATE `LogEntries`");
+    return sql_query('TRUNCATE `LogEntries`');
 }
diff --git a/includes/model/Message_model.php b/includes/model/Message_model.php
index 57277fbe..e998ba04 100644
--- a/includes/model/Message_model.php
+++ b/includes/model/Message_model.php
@@ -7,7 +7,7 @@
  */
 function Message_ids()
 {
-    return sql_select("SELECT `id` FROM `Messages`");
+    return sql_select('SELECT `id` FROM `Messages`');
 }
 
 /**
@@ -42,10 +42,10 @@ function Message_send($receiver_user_id, $text)
     global $user;
 
     $text = preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui", '', strip_tags($text));
-    $receiver_user_id = preg_replace("/([^0-9]{1,})/ui", '', strip_tags($receiver_user_id));
+    $receiver_user_id = preg_replace('/([^0-9]{1,})/ui', '', strip_tags($receiver_user_id));
 
     if (
-        ($text != "" && is_numeric($receiver_user_id))
+        ($text != '' && is_numeric($receiver_user_id))
         && (sql_num_query("
             SELECT *
             FROM `User`
diff --git a/includes/model/NeededAngelTypes_model.php b/includes/model/NeededAngelTypes_model.php
index ef4698de..f65efc41 100644
--- a/includes/model/NeededAngelTypes_model.php
+++ b/includes/model/NeededAngelTypes_model.php
@@ -70,7 +70,7 @@ function NeededAngelTypes_by_shift($shiftId)
         ORDER BY `room_id` DESC
         ");
     if ($needed_angeltypes_source === false) {
-        engelsystem_error("Unable to load needed angeltypes.");
+        engelsystem_error('Unable to load needed angeltypes.');
     }
 
     // Use settings from room
@@ -85,7 +85,7 @@ function NeededAngelTypes_by_shift($shiftId)
         ORDER BY `room_id` DESC
         ");
         if ($needed_angeltypes_source === false) {
-            engelsystem_error("Unable to load needed angeltypes.");
+            engelsystem_error('Unable to load needed angeltypes.');
         }
     }
 
diff --git a/includes/model/Room_model.php b/includes/model/Room_model.php
index 9c202c1e..a96ca715 100644
--- a/includes/model/Room_model.php
+++ b/includes/model/Room_model.php
@@ -19,7 +19,7 @@ function Rooms($show_all = false)
  */
 function Room_delete($room_id)
 {
-    return sql_query("DELETE FROM `Room` WHERE `RID`=" . sql_escape($room_id));
+    return sql_query('DELETE FROM `Room` WHERE `RID`=' . sql_escape($room_id));
 }
 
 /**
diff --git a/includes/model/ShiftEntry_model.php b/includes/model/ShiftEntry_model.php
index 84cdb6d8..acdb4160 100644
--- a/includes/model/ShiftEntry_model.php
+++ b/includes/model/ShiftEntry_model.php
@@ -26,7 +26,7 @@ function ShiftEntry_new()
  */
 function ShiftEntries_freeleaded_count()
 {
-    return (int)sql_select_single_cell("SELECT COUNT(*) FROM `ShiftEntry` WHERE `freeloaded` = 1");
+    return (int)sql_select_single_cell('SELECT COUNT(*) FROM `ShiftEntry` WHERE `freeloaded` = 1');
 }
 
 /**
@@ -175,7 +175,7 @@ function ShiftEntries_by_shift_and_angeltype($shift_id, $angeltype_id)
       AND `TID`=" . sql_escape($angeltype_id) . "
       ");
     if ($result === false) {
-        engelsystem_error("Unable to load shift entries.");
+        engelsystem_error('Unable to load shift entries.');
     }
     return $result;
 }
diff --git a/includes/model/ShiftTypes_model.php b/includes/model/ShiftTypes_model.php
index ba8fa2c1..03a98bd8 100644
--- a/includes/model/ShiftTypes_model.php
+++ b/includes/model/ShiftTypes_model.php
@@ -78,5 +78,5 @@ function ShiftType($shifttype_id)
  */
 function ShiftTypes()
 {
-    return sql_select("SELECT * FROM `ShiftTypes` ORDER BY `name`");
+    return sql_select('SELECT * FROM `ShiftTypes` ORDER BY `name`');
 }
diff --git a/includes/model/Shifts_model.php b/includes/model/Shifts_model.php
index 7c52d305..e182d905 100644
--- a/includes/model/Shifts_model.php
+++ b/includes/model/Shifts_model.php
@@ -8,9 +8,9 @@ use Engelsystem\ShiftSignupState;
  */
 function Shifts_by_room($room)
 {
-    $result = sql_select("SELECT * FROM `Shifts` WHERE `RID`=" . sql_escape($room['RID']) . " ORDER BY `start`");
+    $result = sql_select('SELECT * FROM `Shifts` WHERE `RID`=' . sql_escape($room['RID']) . ' ORDER BY `start`');
     if ($result === false) {
-        engelsystem_error("Unable to load shifts.");
+        engelsystem_error('Unable to load shifts.');
     }
     return $result;
 }
@@ -49,7 +49,7 @@ function Shifts_by_ShiftsFilter(ShiftsFilter $shiftsFilter)
       ORDER BY `start`";
     $result = sql_select($SQL);
     if ($result === false) {
-        engelsystem_error("Unable to load shifts by filter.");
+        engelsystem_error('Unable to load shifts by filter.');
     }
     return $result;
 }
@@ -92,7 +92,7 @@ function NeededAngeltypes_by_ShiftsFilter(ShiftsFilter $shiftsFilter)
       AND NOT `Shifts`.`PSID` IS NULL";
     $result = sql_select($SQL);
     if ($result === false) {
-        engelsystem_error("Unable to load needed angeltypes by filter.");
+        engelsystem_error('Unable to load needed angeltypes by filter.');
     }
     return $result;
 }
@@ -135,7 +135,7 @@ function NeededAngeltype_by_Shift_and_Angeltype($shift, $angeltype)
       AND `AngelTypes`.`id`=" . sql_escape($angeltype['id']) . "
       AND NOT `Shifts`.`PSID` IS NULL");
     if ($result === false) {
-        engelsystem_error("Unable to load needed angeltypes by filter.");
+        engelsystem_error('Unable to load needed angeltypes by filter.');
     }
     if (count($result) == 0) {
         return null;
@@ -169,7 +169,7 @@ function ShiftEntries_by_ShiftsFilter(ShiftsFilter $shiftsFilter)
       ORDER BY `Shifts`.`start`";
     $result = sql_select($SQL);
     if ($result === false) {
-        engelsystem_error("Unable to load shift entries by filter.");
+        engelsystem_error('Unable to load shift entries by filter.');
     }
     return $result;
 }
@@ -486,18 +486,18 @@ function Shift_create($shift)
  */
 function Shifts_by_user($user, $include_freeload_comments = false)
 {
-    $result = sql_select("
+    $result = sql_select('
           SELECT `ShiftTypes`.`id` AS `shifttype_id`, `ShiftTypes`.`name`,
           `ShiftEntry`.`id`, `ShiftEntry`.`SID`, `ShiftEntry`.`TID`, `ShiftEntry`.`UID`, `ShiftEntry`.`freeloaded`, `ShiftEntry`.`Comment`,
-          " . ($include_freeload_comments ? "`ShiftEntry`.`freeload_comment`, " : "") . "
+          ' . ($include_freeload_comments ? '`ShiftEntry`.`freeload_comment`, ' : '') . '
           `Shifts`.*, `Room`.* 
           FROM `ShiftEntry` 
           JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) 
           JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
           JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) 
-          WHERE `UID`='" . sql_escape($user['UID']) . "' 
+          WHERE `UID`=\'' . sql_escape($user['UID']) . '\' 
           ORDER BY `start`
-      ");
+      ');
     if ($result === false) {
         engelsystem_error('Unable to load users shifts.');
     }
@@ -552,12 +552,12 @@ function Shift($shift_id)
  */
 function Shifts()
 {
-    $shifts_source = sql_select("
+    $shifts_source = sql_select('
         SELECT `ShiftTypes`.`name`, `Shifts`.*, `Room`.`RID`, `Room`.`Name` AS `room_name` 
         FROM `Shifts`
         JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
         JOIN `Room` ON `Room`.`RID` = `Shifts`.`RID`
-    ");
+    ');
     if ($shifts_source === false) {
         return false;
     }
diff --git a/includes/model/UserAngelTypes_model.php b/includes/model/UserAngelTypes_model.php
index 4b071847..9ae21772 100644
--- a/includes/model/UserAngelTypes_model.php
+++ b/includes/model/UserAngelTypes_model.php
@@ -36,7 +36,7 @@ function User_angeltypes($user)
       WHERE `UserAngelTypes`.`user_id`='" . sql_escape($user['UID']) . "'
       ");
     if ($result === false) {
-        engelsystem_error("Unable to load user angeltypes.");
+        engelsystem_error('Unable to load user angeltypes.');
         return false;
     }
     return $result;
@@ -66,7 +66,7 @@ function User_unconfirmed_AngelTypes($user)
         ORDER BY `AngelTypes`.`name`
     ");
     if ($result === false) {
-        engelsystem_error("Unable to load user angeltypes.");
+        engelsystem_error('Unable to load user angeltypes.');
     }
     return $result;
 }
@@ -109,7 +109,7 @@ function UserAngelType_update($user_angeltype_id, $supporter)
       LIMIT 1
     ");
     if ($result === false) {
-        engelsystem_error("Unable to update supporter rights.");
+        engelsystem_error('Unable to update supporter rights.');
     }
     return $result;
 }
@@ -128,7 +128,7 @@ function UserAngelTypes_delete_all($angeltype_id)
       AND `confirm_user_id` IS NULL
     ");
     if ($result === false) {
-        engelsystem_error("Unable to delete all unconfirmed users.");
+        engelsystem_error('Unable to delete all unconfirmed users.');
     }
     return $result;
 }
@@ -149,7 +149,7 @@ function UserAngelTypes_confirm_all($angeltype_id, $confirm_user)
       AND `confirm_user_id` IS NULL
     ");
     if ($result === false) {
-        engelsystem_error("Unable to confirm all users.");
+        engelsystem_error('Unable to confirm all users.');
     }
     return $result;
 }
@@ -169,7 +169,7 @@ function UserAngelType_confirm($user_angeltype_id, $confirm_user)
       WHERE `id`='" . sql_escape($user_angeltype_id) . "'
       LIMIT 1");
     if ($result === false) {
-        engelsystem_error("Unable to confirm user angeltype.");
+        engelsystem_error('Unable to confirm user angeltype.');
     }
     return $result;
 }
@@ -202,7 +202,7 @@ function UserAngelType_create($user, $angeltype)
     `user_id`='" . sql_escape($user['UID']) . "',
     `angeltype_id`='" . sql_escape($angeltype['id']) . "'");
     if ($result === false) {
-        engelsystem_error("Unable to create user angeltype.");
+        engelsystem_error('Unable to create user angeltype.');
     }
     return sql_id();
 }
@@ -221,7 +221,7 @@ function UserAngelType($user_angeltype_id)
       WHERE `id`='" . sql_escape($user_angeltype_id) . "'
       LIMIT 1");
     if ($angeltype === false) {
-        engelsystem_error("Unable to load user angeltype.");
+        engelsystem_error('Unable to load user angeltype.');
     }
     if (count($angeltype) == 0) {
         return null;
@@ -245,7 +245,7 @@ function UserAngelType_by_User_and_AngelType($user, $angeltype)
       AND `angeltype_id`='" . sql_escape($angeltype['id']) . "'
       LIMIT 1");
     if ($angeltype === false) {
-        engelsystem_error("Unable to load user angeltype.");
+        engelsystem_error('Unable to load user angeltype.');
     }
     if (count($angeltype) == 0) {
         return null;
diff --git a/includes/model/UserDriverLicenses_model.php b/includes/model/UserDriverLicenses_model.php
index c1cd081b..8091736c 100644
--- a/includes/model/UserDriverLicenses_model.php
+++ b/includes/model/UserDriverLicenses_model.php
@@ -98,7 +98,7 @@ function UserDriverLicenses_update($user_driver_license)
       `has_license_forklift`=" . sql_bool($user_driver_license['has_license_forklift']) . "
       WHERE `user_id`='" . sql_escape($user_driver_license['user_id']) . "'");
     if ($result === false) {
-        engelsystem_error("Unable to update user driver license information");
+        engelsystem_error('Unable to update user driver license information');
     }
     return $result;
 }
@@ -113,7 +113,7 @@ function UserDriverLicenses_delete($user_id)
 {
     $result = sql_query("DELETE FROM `UserDriverLicenses` WHERE `user_id`=" . sql_escape($user_id));
     if ($result === false) {
-        engelsystem_error("Unable to remove user driver license information");
+        engelsystem_error('Unable to remove user driver license information');
     }
     return $result;
 }
diff --git a/includes/model/UserGroups_model.php b/includes/model/UserGroups_model.php
index 8716114d..c390cd20 100644
--- a/includes/model/UserGroups_model.php
+++ b/includes/model/UserGroups_model.php
@@ -8,11 +8,11 @@
  */
 function User_groups($user)
 {
-    return sql_select("
+    return sql_select('
       SELECT `Groups`.*
       FROM `UserGroups`
       JOIN `Groups` ON `Groups`.`UID`=`UserGroups`.`group_id`
-      WHERE `UserGroups`.`uid`='" . sql_escape($user['UID']) . "'
+      WHERE `UserGroups`.`uid`=\'' . sql_escape($user['UID']) . '\'
       ORDER BY `UserGroups`.`group_id`
-      ");
+      ');
 }
diff --git a/includes/model/User_model.php b/includes/model/User_model.php
index c9987d4e..22299664 100644
--- a/includes/model/User_model.php
+++ b/includes/model/User_model.php
@@ -60,7 +60,7 @@ function User_update($user)
  */
 function User_force_active_count()
 {
-    return sql_select_single_cell("SELECT COUNT(*) FROM `User` WHERE `force_active` = 1");
+    return sql_select_single_cell('SELECT COUNT(*) FROM `User` WHERE `force_active` = 1');
 }
 
 /**
@@ -68,7 +68,7 @@ function User_force_active_count()
  */
 function User_active_count()
 {
-    return sql_select_single_cell("SELECT COUNT(*) FROM `User` WHERE `Aktiv` = 1");
+    return sql_select_single_cell('SELECT COUNT(*) FROM `User` WHERE `Aktiv` = 1');
 }
 
 /**
@@ -76,7 +76,7 @@ function User_active_count()
  */
 function User_got_voucher_count()
 {
-    return sql_select_single_cell("SELECT SUM(`got_voucher`) FROM `User`");
+    return sql_select_single_cell('SELECT SUM(`got_voucher`) FROM `User`');
 }
 
 /**
@@ -84,7 +84,7 @@ function User_got_voucher_count()
  */
 function User_arrived_count()
 {
-    return sql_select_single_cell("SELECT COUNT(*) FROM `User` WHERE `Gekommen` = 1");
+    return sql_select_single_cell('SELECT COUNT(*) FROM `User` WHERE `Gekommen` = 1');
 }
 
 /**
@@ -92,7 +92,7 @@ function User_arrived_count()
  */
 function User_tshirts_count()
 {
-    return sql_select_single_cell("SELECT COUNT(*) FROM `User` WHERE `Tshirt` = 1");
+    return sql_select_single_cell('SELECT COUNT(*) FROM `User` WHERE `Tshirt` = 1');
 }
 
 /**
@@ -184,7 +184,7 @@ function Users_by_angeltype($angeltype)
       WHERE `UserAngelTypes`.`angeltype_id`='" . sql_escape($angeltype['id']) . "'
       ORDER BY `Nick`");
     if ($result === false) {
-        engelsystem_error("Unable to load members.");
+        engelsystem_error('Unable to load members.');
     }
     return $result;
 }
@@ -196,7 +196,7 @@ function Users_by_angeltype($angeltype)
  */
 function User_ids()
 {
-    return sql_select("SELECT `UID` FROM `User`");
+    return sql_select('SELECT `UID` FROM `User`');
 }
 
 /**
@@ -207,7 +207,7 @@ function User_ids()
  */
 function User_validate_Nick($nick)
 {
-    return preg_replace("/([^a-z0-9üöäß. _+*-]{1,})/ui", '', $nick);
+    return preg_replace('/([^a-z0-9üöäß. _+*-]{1,})/ui', '', $nick);
 }
 
 /**
@@ -313,7 +313,7 @@ function User($user_id)
 {
     $user_source = sql_select("SELECT * FROM `User` WHERE `UID`='" . sql_escape($user_id) . "' LIMIT 1");
     if ($user_source === false) {
-        engelsystem_error("Unable to load user.");
+        engelsystem_error('Unable to load user.');
     }
     if (count($user_source) > 0) {
         return $user_source[0];
@@ -332,7 +332,7 @@ function User_by_api_key($api_key)
 {
     $user = sql_select("SELECT * FROM `User` WHERE `api_key`='" . sql_escape($api_key) . "' LIMIT 1");
     if ($user === false) {
-        engelsystem_error("Unable to find user by api key.");
+        engelsystem_error('Unable to find user by api key.');
     }
     if (count($user) == 0) {
         return null;
@@ -350,7 +350,7 @@ function User_by_email($email)
 {
     $user = sql_select("SELECT * FROM `User` WHERE `email`='" . sql_escape($email) . "' LIMIT 1");
     if ($user === false) {
-        engelsystem_error("Unable to load user.");
+        engelsystem_error('Unable to load user.');
     }
     if (count($user) == 0) {
         return null;
@@ -368,7 +368,7 @@ function User_by_password_recovery_token($token)
 {
     $user = sql_select("SELECT * FROM `User` WHERE `password_recovery_token`='" . sql_escape($token) . "' LIMIT 1");
     if ($user === false) {
-        engelsystem_error("Unable to load user.");
+        engelsystem_error('Unable to load user.');
     }
     if (count($user) == 0) {
         return null;
@@ -392,7 +392,7 @@ function User_reset_api_key(&$user, $log = true)
     }
 
     if ($log) {
-        engelsystem_log(sprintf("API key resetted (%s).", User_Nick_render($user)));
+        engelsystem_log(sprintf('API key resetted (%s).', User_Nick_render($user)));
     }
 
     return true;
@@ -407,11 +407,16 @@ function User_reset_api_key(&$user, $log = true)
 function User_generate_password_recovery_token(&$user)
 {
     $user['password_recovery_token'] = md5($user['Nick'] . time() . rand());
-    $result = sql_query("UPDATE `User` SET `password_recovery_token`='" . sql_escape($user['password_recovery_token']) . "' WHERE `UID`='" . sql_escape($user['UID']) . "' LIMIT 1");
+    $result = sql_query("
+        UPDATE `User`
+        SET `password_recovery_token`='" . sql_escape($user['password_recovery_token']) . "'
+        WHERE `UID`='" . sql_escape($user['UID']) . "'
+        LIMIT 1
+    ");
     if ($result === false) {
-        engelsystem_error("Unable to generate password recovery token.");
+        engelsystem_error('Unable to generate password recovery token.');
     }
-    engelsystem_log("Password recovery for " . User_Nick_render($user) . " started.");
+    engelsystem_log('Password recovery for ' . User_Nick_render($user) . ' started.');
     return $user['password_recovery_token'];
 }