* switch to composer for qrcode and otp dependencies

* move most OTP-related stuff into userhelper
* remove old phpqrcode and otphp libraries

9 files changed, 1368 insertions, 0 deletions

diff --git a/vendor/thecodingmachine/safe/deprecated/Exceptions/ApcException.php b/vendor/thecodingmachine/safe/deprecated/Exceptions/ApcException.php
new file mode 100644
index 000000000..f344490d8
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/Exceptions/ApcException.php
@@ -0,0 +1,11 @@
+<?php
+namespace Safe\Exceptions;
+
+class ApcException extends \ErrorException implements SafeExceptionInterface
+{
+    public static function createFromPhpError(): self
+    {
+        $error = error_get_last();
+        return new self($error['message'] ?? 'An error occured', 0, $error['type'] ?? 1);
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/Exceptions/LibeventException.php b/vendor/thecodingmachine/safe/deprecated/Exceptions/LibeventException.php
new file mode 100644
index 000000000..e1df31b77
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/Exceptions/LibeventException.php
@@ -0,0 +1,11 @@
+<?php
+namespace Safe\Exceptions;
+
+class LibeventException extends \ErrorException implements SafeExceptionInterface
+{
+    public static function createFromPhpError(): self
+    {
+        $error = error_get_last();
+        return new self($error['message'] ?? 'An error occured', 0, $error['type'] ?? 1);
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/Exceptions/MssqlException.php b/vendor/thecodingmachine/safe/deprecated/Exceptions/MssqlException.php
new file mode 100644
index 000000000..814bd4e0b
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/Exceptions/MssqlException.php
@@ -0,0 +1,11 @@
+<?php
+namespace Safe\Exceptions;
+
+class MssqlException extends \ErrorException implements SafeExceptionInterface
+{
+    public static function createFromPhpError(): self
+    {
+        $error = error_get_last();
+        return new self($error['message'] ?? 'An error occured', 0, $error['type'] ?? 1);
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/Exceptions/StatsException.php b/vendor/thecodingmachine/safe/deprecated/Exceptions/StatsException.php
new file mode 100644
index 000000000..f8a7f45c2
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/Exceptions/StatsException.php
@@ -0,0 +1,11 @@
+<?php
+namespace Safe\Exceptions;
+
+class StatsException extends \ErrorException implements SafeExceptionInterface
+{
+    public static function createFromPhpError(): self
+    {
+        $error = error_get_last();
+        return new self($error['message'] ?? 'An error occured', 0, $error['type'] ?? 1);
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/apc.php b/vendor/thecodingmachine/safe/deprecated/apc.php
new file mode 100644
index 000000000..7930432c6
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/apc.php
@@ -0,0 +1,238 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\ApcException;
+
+/**
+ * Retrieves cached information and meta-data from APC's data store.
+ *
+ * @param string $cache_type If cache_type is "user",
+ * information about the user cache will be returned.
+ *
+ * If cache_type is "filehits",
+ * information about which files have been served from the bytecode cache
+ * for the current request will be returned. This feature must be enabled at
+ * compile time using --enable-filehits.
+ *
+ * If an invalid or no cache_type is specified, information about
+ * the system cache (cached files) will be returned.
+ * @param bool $limited If limited is TRUE, the
+ * return value will exclude the individual list of cache entries.  This
+ * is useful when trying to optimize calls for statistics gathering.
+ * @return array Array of cached data (and meta-data)
+ * @throws ApcException
+ *
+ */
+function apc_cache_info(string $cache_type = '', bool $limited = false): array
+{
+    error_clear_last();
+    $result = \apc_cache_info($cache_type, $limited);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * apc_cas updates an already existing integer value if the
+ * old parameter matches the currently stored value
+ * with the value of the new parameter.
+ *
+ * @param string $key The key of the value being updated.
+ * @param int $old The old value (the value currently stored).
+ * @param int $new The new value to update to.
+ * @throws ApcException
+ *
+ */
+function apc_cas(string $key, int $old, int $new): void
+{
+    error_clear_last();
+    $result = \apc_cas($key, $old, $new);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Stores a file in the bytecode cache, bypassing all filters.
+ *
+ * @param string $filename Full or relative path to a PHP file that will be compiled and stored in
+ * the bytecode cache.
+ * @param bool $atomic
+ * @return mixed Returns TRUE on success.
+ * @throws ApcException
+ *
+ */
+function apc_compile_file(string $filename, bool $atomic = true)
+{
+    error_clear_last();
+    $result = \apc_compile_file($filename, $atomic);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Decreases a stored integer value.
+ *
+ * @param string $key The key of the value being decreased.
+ * @param int $step The step, or value to decrease.
+ * @param bool|null $success Optionally pass the success or fail boolean value to
+ * this referenced variable.
+ * @return int Returns the current value of key's value on success
+ * @throws ApcException
+ *
+ */
+function apc_dec(string $key, int $step = 1, ?bool &$success = null): int
+{
+    error_clear_last();
+    $result = \apc_dec($key, $step, $success);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * define is notoriously slow. Since the main benefit of
+ * APC is to increase the performance of scripts/applications, this mechanism
+ * is provided to streamline the process of mass constant definition. However,
+ * this function does not perform as well as anticipated.
+ *
+ * For a better-performing solution, try the
+ * hidef extension from PECL.
+ *
+ * @param string $key The key serves as the name of the constant set
+ * being stored. This key is used to retrieve the
+ * stored constants in apc_load_constants.
+ * @param array $constants An associative array of constant_name =&gt; value
+ * pairs. The constant_name must follow the normal
+ * constant naming rules.
+ * value must evaluate to a scalar value.
+ * @param bool $case_sensitive The default behaviour for constants is to be declared case-sensitive;
+ * i.e. CONSTANT and Constant
+ * represent different values. If this parameter evaluates to FALSE the
+ * constants will be declared as case-insensitive symbols.
+ * @throws ApcException
+ *
+ */
+function apc_define_constants(string $key, array $constants, bool $case_sensitive = true): void
+{
+    error_clear_last();
+    $result = \apc_define_constants($key, $constants, $case_sensitive);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Deletes the given files from the opcode cache.
+ *
+ * @param mixed $keys The files to be deleted. Accepts a string,
+ * array of strings, or an APCIterator
+ * object.
+ * @return mixed Returns TRUE on success.
+ * Or if keys is an array, then
+ * an empty array is returned on success, or an array of failed files
+ * is returned.
+ * @throws ApcException
+ *
+ */
+function apc_delete_file($keys)
+{
+    error_clear_last();
+    $result = \apc_delete_file($keys);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Removes a stored variable from the cache.
+ *
+ * @param string|string[]|\APCIterator $key The key used to store the value (with
+ * apc_store).
+ * @throws ApcException
+ *
+ */
+function apc_delete($key): void
+{
+    error_clear_last();
+    $result = \apc_delete($key);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Increases a stored number.
+ *
+ * @param string $key The key of the value being increased.
+ * @param int $step The step, or value to increase.
+ * @param bool|null $success Optionally pass the success or fail boolean value to
+ * this referenced variable.
+ * @return int Returns the current value of key's value on success
+ * @throws ApcException
+ *
+ */
+function apc_inc(string $key, int $step = 1, ?bool &$success = null): int
+{
+    error_clear_last();
+    $result = \apc_inc($key, $step, $success);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Loads a set of constants from the cache.
+ *
+ * @param string $key The name of the constant set (that was stored with
+ * apc_define_constants) to be retrieved.
+ * @param bool $case_sensitive The default behaviour for constants is to be declared case-sensitive;
+ * i.e. CONSTANT and Constant
+ * represent different values. If this parameter evaluates to FALSE the
+ * constants will be declared as case-insensitive symbols.
+ * @throws ApcException
+ *
+ */
+function apc_load_constants(string $key, bool $case_sensitive = true): void
+{
+    error_clear_last();
+    $result = \apc_load_constants($key, $case_sensitive);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Retrieves APC's Shared Memory Allocation information.
+ *
+ * @param bool $limited When set to FALSE (default) apc_sma_info will
+ * return a detailed information about each segment.
+ * @return array Array of Shared Memory Allocation data; FALSE on failure.
+ * @throws ApcException
+ *
+ */
+function apc_sma_info(bool $limited = false): array
+{
+    error_clear_last();
+    $result = \apc_sma_info($limited);
+    if ($result === false) {
+        throw ApcException::createFromPhpError();
+    }
+    return $result;
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/functionsList.php b/vendor/thecodingmachine/safe/deprecated/functionsList.php
new file mode 100644
index 000000000..e430cd3b9
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/functionsList.php
@@ -0,0 +1,56 @@
+<?php
+
+return [
+    'apc_cache_info',
+    'apc_cas',
+    'apc_compile_file',
+    'apc_dec',
+    'apc_define_constants',
+    'apc_delete',
+    'apc_delete_file',
+    'apc_inc',
+    'apc_load_constants',
+    'apc_sma_info',
+    'event_add',
+    'event_base_loopbreak',
+    'event_base_loopexit',
+    'event_base_new',
+    'event_base_priority_init',
+    'event_base_reinit',
+    'event_base_set',
+    'event_buffer_base_set',
+    'event_buffer_disable',
+    'event_buffer_enable',
+    'event_buffer_new',
+    'event_buffer_priority_set',
+    'event_buffer_set_callback',
+    'event_buffer_write',
+    'event_del',
+    'event_new',
+    'event_priority_set',
+    'event_set',
+    'event_timer_set',
+    'imagepsencodefont',
+    'imagepsextendfont',
+    'imagepsfreefont',
+    'imagepsslantfont',
+    'mssql_bind',
+    'mssql_close',
+    'mssql_connect',
+    'mssql_data_seek',
+    'mssql_field_length',
+    'mssql_field_name',
+    'mssql_field_seek',
+    'mssql_field_type',
+    'mssql_free_result',
+    'mssql_free_statement',
+    'mssql_init',
+    'mssql_pconnect',
+    'mssql_query',
+    'mssql_select_db',
+    'stats_covariance',
+    'stats_standard_deviation',
+    'stats_stat_correlation',
+    'stats_stat_innerproduct',
+    'stats_variance',
+];
diff --git a/vendor/thecodingmachine/safe/deprecated/libevent.php b/vendor/thecodingmachine/safe/deprecated/libevent.php
new file mode 100644
index 000000000..574f0a67b
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/libevent.php
@@ -0,0 +1,496 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\LibeventException;
+
+/**
+ * event_add schedules the execution of the event
+ * when the event specified in event_set occurs or in at least the time
+ * specified by the timeout argument. If
+ * timeout was not specified, not timeout is set. The
+ * event must be already initalized by event_set
+ * and event_base_set functions. If the
+ * event already has a timeout set, it is replaced by
+ * the new one.
+ *
+ * @param resource $event Valid event resource.
+ * @param int $timeout Optional timeout (in microseconds).
+ * @throws LibeventException
+ *
+ */
+function event_add($event, int $timeout = -1): void
+{
+    error_clear_last();
+    $result = \event_add($event, $timeout);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Abort the active event loop immediately. The behaviour is similar to
+ * break statement.
+ *
+ * @param resource $event_base Valid event base resource.
+ * @throws LibeventException
+ *
+ */
+function event_base_loopbreak($event_base): void
+{
+    error_clear_last();
+    $result = \event_base_loopbreak($event_base);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * The next event loop iteration after the given timer expires will complete
+ * normally, then exit without blocking for events again.
+ *
+ * @param resource $event_base Valid event base resource.
+ * @param int $timeout Optional timeout parameter (in microseconds).
+ * @throws LibeventException
+ *
+ */
+function event_base_loopexit($event_base, int $timeout = -1): void
+{
+    error_clear_last();
+    $result = \event_base_loopexit($event_base, $timeout);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Returns new event base, which can be used later in event_base_set,
+ * event_base_loop and other functions.
+ *
+ * @return resource event_base_new returns valid event base resource on
+ * success.
+ * @throws LibeventException
+ *
+ */
+function event_base_new()
+{
+    error_clear_last();
+    $result = \event_base_new();
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Sets the number of different event priority levels.
+ *
+ * By default all events are scheduled with the same priority
+ * (npriorities/2).
+ * Using event_base_priority_init you can change the number
+ * of event priority levels and then set a desired priority for each event.
+ *
+ * @param resource $event_base Valid event base resource.
+ * @param int $npriorities The number of event priority levels.
+ * @throws LibeventException
+ *
+ */
+function event_base_priority_init($event_base, int $npriorities): void
+{
+    error_clear_last();
+    $result = \event_base_priority_init($event_base, $npriorities);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Some event mechanisms do not survive across fork. The
+ * event_base needs to be reinitialized with this
+ * function.
+ *
+ * @param resource $event_base Valid event base resource that needs to be re-initialized.
+ * @throws LibeventException
+ *
+ */
+function event_base_reinit($event_base): void
+{
+    error_clear_last();
+    $result = \event_base_reinit($event_base);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Associates the event_base with the
+ * event.
+ *
+ * @param resource $event Valid event resource.
+ * @param resource $event_base Valid event base resource.
+ * @throws LibeventException
+ *
+ */
+function event_base_set($event, $event_base): void
+{
+    error_clear_last();
+    $result = \event_base_set($event, $event_base);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Assign the specified bevent to the
+ * event_base.
+ *
+ * @param resource $bevent Valid buffered event resource.
+ * @param resource $event_base Valid event base resource.
+ * @throws LibeventException
+ *
+ */
+function event_buffer_base_set($bevent, $event_base): void
+{
+    error_clear_last();
+    $result = \event_buffer_base_set($bevent, $event_base);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Disables the specified buffered event.
+ *
+ * @param resource $bevent Valid buffered event resource.
+ * @param int $events Any combination of EV_READ and
+ * EV_WRITE.
+ * @throws LibeventException
+ *
+ */
+function event_buffer_disable($bevent, int $events): void
+{
+    error_clear_last();
+    $result = \event_buffer_disable($bevent, $events);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Enables the specified buffered event.
+ *
+ * @param resource $bevent Valid buffered event resource.
+ * @param int $events Any combination of EV_READ and
+ * EV_WRITE.
+ * @throws LibeventException
+ *
+ */
+function event_buffer_enable($bevent, int $events): void
+{
+    error_clear_last();
+    $result = \event_buffer_enable($bevent, $events);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Libevent provides an abstraction layer on top of the regular event API.
+ * Using buffered event you don't need to deal with the I/O manually, instead
+ * it provides input and output buffers that get filled and drained
+ * automatically.
+ *
+ * @param resource $stream Valid PHP stream resource. Must be castable to file descriptor.
+ * @param mixed $readcb Callback to invoke where there is data to read, or NULL if
+ * no callback is desired.
+ * @param mixed $writecb Callback to invoke where the descriptor is ready for writing,
+ * or NULL if no callback is desired.
+ * @param mixed $errorcb Callback to invoke where there is an error on the descriptor, cannot be
+ * NULL.
+ * @param mixed $arg An argument that will be passed to each of the callbacks (optional).
+ * @return resource event_buffer_new returns new buffered event resource
+ * on success.
+ * @throws LibeventException
+ *
+ */
+function event_buffer_new($stream, $readcb, $writecb, $errorcb, $arg = null)
+{
+    error_clear_last();
+    if ($arg !== null) {
+        $result = \event_buffer_new($stream, $readcb, $writecb, $errorcb, $arg);
+    } else {
+        $result = \event_buffer_new($stream, $readcb, $writecb, $errorcb);
+    }
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Assign a priority to the bevent.
+ *
+ * @param resource $bevent Valid buffered event resource.
+ * @param int $priority Priority level. Cannot be less than zero and cannot exceed maximum
+ * priority level of the event base (see event_base_priority_init).
+ * @throws LibeventException
+ *
+ */
+function event_buffer_priority_set($bevent, int $priority): void
+{
+    error_clear_last();
+    $result = \event_buffer_priority_set($bevent, $priority);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Sets or changes existing callbacks for the buffered event.
+ *
+ * @param resource $event Valid buffered event resource.
+ * @param mixed $readcb Callback to invoke where there is data to read, or NULL if
+ * no callback is desired.
+ * @param mixed $writecb Callback to invoke where the descriptor is ready for writing,
+ * or NULL if no callback is desired.
+ * @param mixed $errorcb Callback to invoke where there is an error on the descriptor, cannot be
+ * NULL.
+ * @param mixed $arg An argument that will be passed to each of the callbacks (optional).
+ * @throws LibeventException
+ *
+ */
+function event_buffer_set_callback($event, $readcb, $writecb, $errorcb, $arg = null): void
+{
+    error_clear_last();
+    if ($arg !== null) {
+        $result = \event_buffer_set_callback($event, $readcb, $writecb, $errorcb, $arg);
+    } else {
+        $result = \event_buffer_set_callback($event, $readcb, $writecb, $errorcb);
+    }
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Writes data to the specified buffered event. The data is appended to the
+ * output buffer and written to the descriptor when it becomes available for
+ * writing.
+ *
+ * @param resource $bevent Valid buffered event resource.
+ * @param string $data The data to be written.
+ * @param int $data_size Optional size parameter. event_buffer_write writes
+ * all the data by default.
+ * @throws LibeventException
+ *
+ */
+function event_buffer_write($bevent, string $data, int $data_size = -1): void
+{
+    error_clear_last();
+    $result = \event_buffer_write($bevent, $data, $data_size);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Cancels the event.
+ *
+ * @param resource $event Valid event resource.
+ * @throws LibeventException
+ *
+ */
+function event_del($event): void
+{
+    error_clear_last();
+    $result = \event_del($event);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Creates and returns a new event resource.
+ *
+ * @return resource event_new returns a new event resource on success.
+ * @throws LibeventException
+ *
+ */
+function event_new()
+{
+    error_clear_last();
+    $result = \event_new();
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Assign a priority to the event.
+ *
+ * @param resource $event Valid event resource.
+ * @param int $priority Priority level. Cannot be less than zero and cannot exceed maximum
+ * priority level of the event base (see
+ * event_base_priority_init).
+ * @throws LibeventException
+ *
+ */
+function event_priority_set($event, int $priority): void
+{
+    error_clear_last();
+    $result = \event_priority_set($event, $priority);
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Prepares the event to be used in event_add. The event
+ * is prepared to call the function specified by the callback
+ * on the events specified in parameter events, which
+ * is a set of the following flags: EV_TIMEOUT,
+ * EV_SIGNAL, EV_READ,
+ * EV_WRITE and EV_PERSIST.
+ *
+ * If EV_SIGNAL bit is set in parameter events,
+ * the fd is interpreted as signal number.
+ *
+ * After initializing the event, use event_base_set to
+ * associate the event with its event base.
+ *
+ * In case of matching event, these three arguments are passed to the
+ * callback function:
+ *
+ *
+ * fd
+ *
+ *
+ * Signal number or resource indicating the stream.
+ *
+ *
+ *
+ *
+ * events
+ *
+ *
+ * A flag indicating the event. Consists of the following flags:
+ * EV_TIMEOUT, EV_SIGNAL,
+ * EV_READ, EV_WRITE
+ * and EV_PERSIST.
+ *
+ *
+ *
+ *
+ * arg
+ *
+ *
+ * Optional parameter, previously passed to event_set
+ * as arg.
+ *
+ *
+ *
+ *
+ *
+ * @param resource $event Valid event resource.
+ * @param mixed $fd Valid PHP stream resource. The stream must be castable to file
+ * descriptor, so you most likely won't be able to use any of filtered
+ * streams.
+ * @param int $events A set of flags indicating the desired event, can be
+ * EV_READ and/or EV_WRITE.
+ * The additional flag EV_PERSIST makes the event
+ * to persist until event_del is called, otherwise
+ * the callback is invoked only once.
+ * @param mixed $callback Callback function to be called when the matching event occurs.
+ * @param mixed $arg Optional callback parameter.
+ * @throws LibeventException
+ *
+ */
+function event_set($event, $fd, int $events, $callback, $arg = null): void
+{
+    error_clear_last();
+    if ($arg !== null) {
+        $result = \event_set($event, $fd, $events, $callback, $arg);
+    } else {
+        $result = \event_set($event, $fd, $events, $callback);
+    }
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Prepares the timer event to be used in event_add. The
+ * event is prepared to call the function specified by the
+ * callback when the event timeout elapses.
+ *
+ * After initializing the event, use event_base_set to
+ * associate the event with its event base.
+ *
+ * In case of matching event, these three arguments are passed to the
+ * callback function:
+ *
+ *
+ * fd
+ *
+ *
+ * Signal number or resource indicating the stream.
+ *
+ *
+ *
+ *
+ * events
+ *
+ *
+ * A flag indicating the event. This will always be
+ * EV_TIMEOUT for timer events.
+ *
+ *
+ *
+ *
+ * arg
+ *
+ *
+ * Optional parameter, previously passed to
+ * event_timer_set as arg.
+ *
+ *
+ *
+ *
+ *
+ * @param resource $event Valid event resource.
+ * @param callable $callback Callback function to be called when the matching event occurs.
+ * @param mixed $arg Optional callback parameter.
+ * @throws LibeventException
+ *
+ */
+function event_timer_set($event, callable $callback, $arg = null): void
+{
+    error_clear_last();
+    if ($arg !== null) {
+        $result = \event_timer_set($event, $callback, $arg);
+    } else {
+        $result = \event_timer_set($event, $callback);
+    }
+    if ($result === false) {
+        throw LibeventException::createFromPhpError();
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/mssql.php b/vendor/thecodingmachine/safe/deprecated/mssql.php
new file mode 100644
index 000000000..234ef56b1
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/mssql.php
@@ -0,0 +1,426 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\MssqlException;
+
+/**
+ * Binds a parameter to a stored procedure or a remote stored procedure.
+ *
+ * @param resource $stmt Statement resource, obtained with mssql_init.
+ * @param string $param_name The parameter name, as a string.
+ *
+ * You have to include the @ character, like in the
+ * T-SQL syntax. See the explanation included in
+ * mssql_execute.
+ * @param mixed $var The PHP variable you'll bind the MSSQL parameter to. It is passed by
+ * reference, to retrieve OUTPUT and RETVAL values after
+ * the procedure execution.
+ * @param int $type One of: SQLTEXT,
+ * SQLVARCHAR, SQLCHAR,
+ * SQLINT1, SQLINT2,
+ * SQLINT4, SQLBIT,
+ * SQLFLT4, SQLFLT8,
+ * SQLFLTN.
+ * @param bool $is_output Whether the value is an OUTPUT parameter or not. If it's an OUTPUT
+ * parameter and you don't mention it, it will be treated as a normal
+ * input parameter and no error will be thrown.
+ * @param bool $is_null Whether the parameter is NULL or not. Passing the NULL value as
+ * var will not do the job.
+ * @param int $maxlen Used with char/varchar values. You have to indicate the length of the
+ * data so if the parameter is a varchar(50), the type must be
+ * SQLVARCHAR and this value 50.
+ * @throws MssqlException
+ *
+ */
+function mssql_bind($stmt, string $param_name, &$var, int $type, bool $is_output = false, bool $is_null = false, int $maxlen = -1): void
+{
+    error_clear_last();
+    $result = \mssql_bind($stmt, $param_name, $var, $type, $is_output, $is_null, $maxlen);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Closes the link to a MS SQL Server database that's associated with the
+ * specified link identifier.  If the link identifier isn't specified, the
+ * last opened link is assumed.
+ *
+ * Note that this isn't usually necessary, as non-persistent open
+ * links are automatically closed at the end of the script's
+ * execution.
+ *
+ * @param resource $link_identifier A MS SQL link identifier, returned by
+ * mssql_connect.
+ *
+ * This function will not close persistent links generated by
+ * mssql_pconnect.
+ * @throws MssqlException
+ *
+ */
+function mssql_close($link_identifier = null): void
+{
+    error_clear_last();
+    if ($link_identifier !== null) {
+        $result = \mssql_close($link_identifier);
+    } else {
+        $result = \mssql_close();
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * mssql_connect establishes a connection to a
+ * MS SQL server.
+ *
+ * The link to the server will be closed as soon as the execution of
+ * the script ends, unless it's closed earlier by explicitly calling
+ * mssql_close.
+ *
+ * @param string $servername The MS SQL server. It can also include a port number, e.g.
+ * hostname:port (Linux), or
+ * hostname,port (Windows).
+ * @param string $username The username.
+ * @param string $password The password.
+ * @param bool $new_link If a second call is made to mssql_connect with the
+ * same arguments, no new link will be established, but instead, the link
+ * identifier of the already opened link will be returned. This parameter
+ * modifies this behavior and makes mssql_connect
+ * always open a new link, even if mssql_connect was
+ * called before with the same parameters.
+ * @return resource Returns a MS SQL link identifier on success.
+ * @throws MssqlException
+ *
+ */
+function mssql_connect(string $servername = null, string $username = null, string $password = null, bool $new_link = false)
+{
+    error_clear_last();
+    if ($new_link !== false) {
+        $result = \mssql_connect($servername, $username, $password, $new_link);
+    } elseif ($password !== null) {
+        $result = \mssql_connect($servername, $username, $password);
+    } elseif ($username !== null) {
+        $result = \mssql_connect($servername, $username);
+    } elseif ($servername !== null) {
+        $result = \mssql_connect($servername);
+    } else {
+        $result = \mssql_connect();
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * mssql_data_seek moves the internal row
+ * pointer of the MS SQL result associated with the specified result
+ * identifier to point to the specified row number, first row being
+ * number 0. The next call to mssql_fetch_row
+ * would return that row.
+ *
+ * @param resource $result_identifier The result resource that is being evaluated.
+ * @param int $row_number The desired row number of the new result pointer.
+ * @throws MssqlException
+ *
+ */
+function mssql_data_seek($result_identifier, int $row_number): void
+{
+    error_clear_last();
+    $result = \mssql_data_seek($result_identifier, $row_number);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Returns the length of field no. offset in
+ * result.
+ *
+ * @param resource $result The result resource that is being evaluated. This result comes from a
+ * call to mssql_query.
+ * @param int $offset The field offset, starts at 0. If omitted, the current field is used.
+ * @return int The length of the specified field index on success.
+ * @throws MssqlException
+ *
+ */
+function mssql_field_length($result, int $offset = -1): int
+{
+    error_clear_last();
+    $result = \mssql_field_length($result, $offset);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the name of field no. offset in
+ * result.
+ *
+ * @param resource $result The result resource that is being evaluated. This result comes from a
+ * call to mssql_query.
+ * @param int $offset The field offset, starts at 0. If omitted, the current field is used.
+ * @return string The name of the specified field index on success.
+ * @throws MssqlException
+ *
+ */
+function mssql_field_name($result, int $offset = -1): string
+{
+    error_clear_last();
+    $result = \mssql_field_name($result, $offset);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Seeks to the specified field offset.  If the next call to
+ * mssql_fetch_field won't include a field
+ * offset, this field would be returned.
+ *
+ * @param resource $result The result resource that is being evaluated. This result comes from a
+ * call to mssql_query.
+ * @param int $field_offset The field offset, starts at 0.
+ * @throws MssqlException
+ *
+ */
+function mssql_field_seek($result, int $field_offset): void
+{
+    error_clear_last();
+    $result = \mssql_field_seek($result, $field_offset);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Returns the type of field no. offset in
+ * result.
+ *
+ * @param resource $result The result resource that is being evaluated. This result comes from a
+ * call to mssql_query.
+ * @param int $offset The field offset, starts at 0. If omitted, the current field is used.
+ * @return string The type of the specified field index on success.
+ * @throws MssqlException
+ *
+ */
+function mssql_field_type($result, int $offset = -1): string
+{
+    error_clear_last();
+    $result = \mssql_field_type($result, $offset);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * mssql_free_result only needs to be called
+ * if you are worried about using too much memory while your script
+ * is running. All result memory will automatically be freed when
+ * the script ends. You may call mssql_free_result
+ * with the result identifier as an argument and the associated
+ * result memory will be freed.
+ *
+ * @param resource $result The result resource that is being freed. This result comes from a
+ * call to mssql_query.
+ * @throws MssqlException
+ *
+ */
+function mssql_free_result($result): void
+{
+    error_clear_last();
+    $result = \mssql_free_result($result);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * mssql_free_statement only needs to be called
+ * if you are worried about using too much memory while your script
+ * is running. All statement memory will automatically be freed when
+ * the script ends. You may call mssql_free_statement
+ * with the statement identifier as an argument and the associated
+ * statement memory will be freed.
+ *
+ * @param resource $stmt Statement resource, obtained with mssql_init.
+ * @throws MssqlException
+ *
+ */
+function mssql_free_statement($stmt): void
+{
+    error_clear_last();
+    $result = \mssql_free_statement($stmt);
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
+
+
+/**
+ * Initializes a stored procedure or a remote stored procedure.
+ *
+ * @param string $sp_name Stored procedure name, like ownew.sp_name or
+ * otherdb.owner.sp_name.
+ * @param resource $link_identifier A MS SQL link identifier, returned by
+ * mssql_connect.
+ * @return resource Returns a resource identifier "statement", used in subsequent calls to
+ * mssql_bind and mssql_executes.
+ * @throws MssqlException
+ *
+ */
+function mssql_init(string $sp_name, $link_identifier = null)
+{
+    error_clear_last();
+    if ($link_identifier !== null) {
+        $result = \mssql_init($sp_name, $link_identifier);
+    } else {
+        $result = \mssql_init($sp_name);
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * mssql_pconnect acts very much like
+ * mssql_connect with two major differences.
+ *
+ * First, when connecting, the function would first try to find a
+ * (persistent) link that's already open with the same host,
+ * username and password.  If one is found, an identifier for it
+ * will be returned instead of opening a new connection.
+ *
+ * Second, the connection to the SQL server will not be closed when
+ * the execution of the script ends.  Instead, the link will remain
+ * open for future use (mssql_close will not
+ * close links established by mssql_pconnect).
+ *
+ * This type of links is therefore called 'persistent'.
+ *
+ * @param string $servername The MS SQL server. It can also include a port number. e.g.
+ * hostname:port.
+ * @param string $username The username.
+ * @param string $password The password.
+ * @param bool $new_link If a second call is made to mssql_pconnect with
+ * the same arguments, no new link will be established, but instead, the
+ * link identifier of the already opened link will be returned. This
+ * parameter modifies this behavior and makes
+ * mssql_pconnect always open a new link, even if
+ * mssql_pconnect was called before with the same
+ * parameters.
+ * @return resource Returns a positive MS SQL persistent link identifier on success.
+ * @throws MssqlException
+ *
+ */
+function mssql_pconnect(string $servername = null, string $username = null, string $password = null, bool $new_link = false)
+{
+    error_clear_last();
+    if ($new_link !== false) {
+        $result = \mssql_pconnect($servername, $username, $password, $new_link);
+    } elseif ($password !== null) {
+        $result = \mssql_pconnect($servername, $username, $password);
+    } elseif ($username !== null) {
+        $result = \mssql_pconnect($servername, $username);
+    } elseif ($servername !== null) {
+        $result = \mssql_pconnect($servername);
+    } else {
+        $result = \mssql_pconnect();
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * mssql_query sends a query to the currently active
+ * database on the server that's associated with the specified link
+ * identifier.
+ *
+ * @param string $query An SQL query.
+ * @param resource $link_identifier A MS SQL link identifier, returned by
+ * mssql_connect or
+ * mssql_pconnect.
+ *
+ * If the link identifier isn't specified, the last opened link is
+ * assumed.  If no link is open, the function tries to establish a link
+ * as if mssql_connect was called, and use it.
+ * @param int $batch_size The number of records to batch in the buffer.
+ * @return mixed Returns a MS SQL result resource on success, TRUE if no rows were
+ * returned.
+ * @throws MssqlException
+ *
+ */
+function mssql_query(string $query, $link_identifier = null, int $batch_size = 0)
+{
+    error_clear_last();
+    if ($batch_size !== 0) {
+        $result = \mssql_query($query, $link_identifier, $batch_size);
+    } elseif ($link_identifier !== null) {
+        $result = \mssql_query($query, $link_identifier);
+    } else {
+        $result = \mssql_query($query);
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * mssql_select_db sets the current active
+ * database on the server that's associated with the specified link
+ * identifier.
+ *
+ * Every subsequent call to mssql_query will be
+ * made on the active database.
+ *
+ * @param string $database_name The database name.
+ *
+ * To escape the name of a database that contains spaces, hyphens ("-"),
+ * or any other exceptional characters, the database name must be
+ * enclosed in brackets, as is shown in the example, below. This
+ * technique must also be applied when selecting a database name that is
+ * also a reserved word (such as primary).
+ * @param resource $link_identifier A MS SQL link identifier, returned by
+ * mssql_connect or
+ * mssql_pconnect.
+ *
+ * If no link identifier is specified, the last opened link is assumed.
+ * If no link is open, the function will try to establish a link as if
+ * mssql_connect was called, and use it.
+ * @throws MssqlException
+ *
+ */
+function mssql_select_db(string $database_name, $link_identifier = null): void
+{
+    error_clear_last();
+    if ($link_identifier !== null) {
+        $result = \mssql_select_db($database_name, $link_identifier);
+    } else {
+        $result = \mssql_select_db($database_name);
+    }
+    if ($result === false) {
+        throw MssqlException::createFromPhpError();
+    }
+}
diff --git a/vendor/thecodingmachine/safe/deprecated/stats.php b/vendor/thecodingmachine/safe/deprecated/stats.php
new file mode 100644
index 000000000..aca984859
--- /dev/null
+++ b/vendor/thecodingmachine/safe/deprecated/stats.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\StatsException;
+
+/**
+ * Returns the covariance of a and b.
+ *
+ * @param array $a The first array
+ * @param array $b The second array
+ * @return float Returns the covariance of a and b.
+ * @throws StatsException
+ *
+ */
+function stats_covariance(array $a, array $b): float
+{
+    error_clear_last();
+    $result = \stats_covariance($a, $b);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the standard deviation of the values in a.
+ *
+ * @param array $a The array of data to find the standard deviation for. Note that all
+ * values of the array will be cast to float.
+ * @param bool $sample Indicates if a represents a sample of the
+ * population; defaults to FALSE.
+ * @return float Returns the standard deviation on success; FALSE on failure.
+ * @throws StatsException
+ *
+ */
+function stats_standard_deviation(array $a, bool $sample = false): float
+{
+    error_clear_last();
+    $result = \stats_standard_deviation($a, $sample);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the Pearson correlation coefficient between arr1 and arr2.
+ *
+ * @param array $arr1 The first array
+ * @param array $arr2 The second array
+ * @return float Returns the Pearson correlation coefficient between arr1 and arr2.
+ * @throws StatsException
+ *
+ */
+function stats_stat_correlation(array $arr1, array $arr2): float
+{
+    error_clear_last();
+    $result = \stats_stat_correlation($arr1, $arr2);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the inner product of arr1 and arr2.
+ *
+ * @param array $arr1 The first array
+ * @param array $arr2 The second array
+ * @return float Returns the inner product of arr1 and arr2.
+ * @throws StatsException
+ *
+ */
+function stats_stat_innerproduct(array $arr1, array $arr2): float
+{
+    error_clear_last();
+    $result = \stats_stat_innerproduct($arr1, $arr2);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}
+
+
+/**
+ * Returns the variance of the values in a.
+ *
+ * @param array $a The array of data to find the standard deviation for. Note that all
+ * values of the array will be cast to float.
+ * @param bool $sample Indicates if a represents a sample of the
+ * population; defaults to FALSE.
+ * @return float Returns the variance on success; FALSE on failure.
+ * @throws StatsException
+ *
+ */
+function stats_variance(array $a, bool $sample = false): float
+{
+    error_clear_last();
+    $result = \stats_variance($a, $sample);
+    if ($result === false) {
+        throw StatsException::createFromPhpError();
+    }
+    return $result;
+}