Online PHP editor | perf for u8c1o

<?php /** * @package at.exceptable * @author Adrian <adrian@enspi.red> * @copyright 2014 - 2016 * @license GPL-3.0 (only) * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License, version 3. * The right to apply the terms of later versions of the GPL is RESERVED. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with this program. * If not, see <http://www.gnu.org/licenses/gpl-3.0.txt>. */ declare(strict_types = 1); namespace at\exceptable; use ErrorException, Throwable; class Handler { /** @type _Handler[] list of registered error handlers. */ private $_errorHandlers = []; /** @type _Handler[] list of registered exception handlers. */ private $_exceptionHandlers = []; /** @type _Handler[] list of registered shutdown handlers. */ private $_shutdownHandlers = []; /** @type bool is this Handler currently registered (active)? */ private $_registered = false; /** @type int error types which should be thrown as ErrorExceptions. */ private $_throw = 0; /** * registers this handler to invoke a callback, and then restores the previous handler(s). * * @param callable $callback the callback to execute * @param mixed …$arguments arguments to pass to the callback * @return mixed the value returned from the callback */ public function during(callable $callback, ...$arguments) { $this->register(); $value = $callback(...$arguments); $this->unregister(); return $value; } /** * adds an error handler. * @see <http://php.net/set_error_handler> $error_handler * * @param callable $handler the error handler to add * @param int $severity the error severity to trigger this handler * (one of the E_* constants, or omit for "any severity") * @return Handler $this */ public function onError(callable $handler, int $severity=null) : Handler { $this->_errorHandlers[] = new _Handler($handler, _Handler::TYPE_ERROR, $severity); return $this; } /** * adds an exception handler. * @see <http://php.net/set_exception_handler> $exception_handler * * @param callable $handler the exception handler to add * @param int $severity the exception severity to trigger this handler * (one of Exceptable::ERROR|WARNING|NOTICE, or omit for "any severity") * @return Handler $this */ public function onException(callable $handler, int $severity=null) : Handler { $this->_exceptionHandlers[] = new _Handler($handler, _Handler::TYPE_EXCEPTION, $severity); return $this; } /** * adds a shutdown handler. * @see <http:/php.net/register_shutdown_handler> $callback * * @param callable $handler the shutdown handler to add * @param mixed $arguments optional agrs to pass to shutdown handler when invoked * @return Handler $this */ public function onShutdown(callable $handler, ...$arguments) : Handler { $this->_shutdownHandlers[] = (new _Handler($handler, _Handler::TYPE_SHUTDOWN)) ->defaultArguments($arguments); return $this; } /** * registers this Handler's error, exception, and shutdown handlers. * * @return Handler $this */ public function register() : Handler { set_error_handler(function(...$args) { return $this->_error(...$args); }); set_exception_handler(function(...$args) { return $this->_exception(...$args); }); register_shutdown_function(function(...$args) { return $this->_shutdown(...$args); }); $this->_registered = true; return $this; } /** * specifies the ErrorException class for this handler to use. * @todo keep this? * * @param string $fqcn fully qualified ErrorException classname * @return Handler $this */ public function setErrorExceptionClass(string $fqcn) : Handler { throw new ExceptableException('not yet implemented'); } /** * sets error types which should be thrown as ErrorExceptions. * * @param int $severity the error types to be thrown * (defaults to Errors and Warnings; use 0 to stop throwing) * @return Handler $this */ public function throw(int $severity=E_ERROR|E_WARNING) : Handler { $this->_throw = $severity; return $this; } /** * un-registers this Handler. * * @return Handler $this */ public function unregister() : Handler { restore_error_handler(); restore_exception_handler(); // shutdown functions can't be unregistered; just have to flag them so they're non-ops :( $this->_registered = false; return $this; } /** * handles php errors. * * @param int $s error severity * @param string $m error message * @param string $f error file * @param int $l error line * @param array $c error context * @throws ErrorException if error severity matches $_throw setting * @return bool true if error handled; false if php's error handler should continue */ protected function _error(int $s, string $m, string $f, int $l, array $c) : bool { if (! $this->_registered) { return false; } if (($s & $this->_throw) === $s) { throw new ErrorException($m, 0, $s, $f, $l); } foreach ($this->_errorHandlers as $handler) { if ($handler->handles(_Handler::TYPE_ERROR, $s) && $handler->handle($s, $m, $f, $l, $c)) { return true; } } return false; } /** * handles uncaught exceptions. * * @param Throwable $e the exception * @throws ExceptableException if no registered handler handles the exception */ protected function _exception(Throwable $e) { if (! $this->_registered) { return; } $severity = method_exists($e, 'getSeverity') ? $e->getSeverity() : Exceptable::ERROR; foreach ($this->_exceptionHandlers as $handler) { if ($handler->handles(_Handler::TYPE_EXCEPTION, $severity) && $handler->handle($e)) { return; } } throw new ExceptableException(ExceptableException::UNCAUGHT_EXCEPTION, $e); } /** * handles shutdown sequence. * * @throws ErrorException if shutdown is due to a fatal error */ protected function _shutdown() { if (! $this->_registered) { return; } $e = error_get_last(); if ($e && $e['type'] === E_ERROR) { throw new ErrorException($e['message'], 0, $e['type'], $e['file'], $e['line']); } foreach ($this->_shutdownHandlers as $handler) { $handler(); } } } /** @internal utility class for wrapping callables as error/exception/shutdown handlers. */ class _Handler { const TYPE_ERROR = 1; const TYPE_EXCEPTION = 2; const TYPE_SHUTDOWN = 3; const ANY_SEVERITY = -1; protected $_arguments = []; protected $_handler; protected $_type; protected $_severity; public function __construct(callable $handler, int $type, int $severity=null) { $this->_handler = $handler; $this->_type = $type; $this->_severity = $severity ?? self::ANY_SEVERITY; } /** @internal invokes the callback with given arguments. */ public function handle(...$arguments) : bool { try { return ($this->_handler)(...($arguments + $this->_arguments)); } catch (Throwable $e) { throw new ExceptableException( ExceptableException::INVALID_HANDLER, ['type' => $this->_type()], $e ); } } /** @internal checks whether this handler is registered for the given severity. */ public function handles(int $type, int $severity) : bool { return $type === $this->_type && ($this->_severity === self::ANY_SEVERITY || ($severity && $this->_severity) === $severity); } /** @internal specifies default arguments to pass to handler. */ public function defaultArguments(array $arguments) { $this->_arguments = $arguments; return $this; } /** @internal gets a string representation of the handler type. */ protected function _type() : string { switch ($this->_type) { case self::TYPE_ERROR : return 'error'; case self::TYPE_EXCEPTION : return 'exception'; case self::TYPE_SHUTDOWN : return 'shutdown'; default : return (string) $this->_type; } } } interface Exceptable extends \Throwable { /** * exception severity levels. * * @type int ERROR error * @type int WARNING warning * @type int NOTICE notice */ const ERROR = E_ERROR; const WARNING = E_WARNING; const NOTICE = E_NOTICE; /** * default info for unknown/generic exception cases. * * @type int DEFAULT_CODE * @type int DEFAULT_MESSAGE * @type int DEFAULT_SEVERITY */ const DEFAULT_CODE = 0; const DEFAULT_MESSAGE = 'unknown error.'; const DEFAULT_SEVERITY = self::ERROR; /** * gets information about a code known to the implementing class. * * @param int $code the exception code to look up * @throws UnderflowException if the code is not known to the implementation * @return array a map of info about the code, * including (at a minimum) its "code", "severity", and "message". */ public static function get_info(int $code) : array; /** * checks whether the implementation has info about the given code. * * @param int $code the code to check * @return bool true if the code is known; false otherwise */ public static function has_info(int $code) : bool; /** * @param string $0 exception message * if omitted, a message must be set based on the exception code * @param int $1 exception code * if omitted, a default code must be set * @param Throwable $2 previous exception * @param array $3 additional exception context * @throws ExceptableException if argument(s) are invalid */ public function __construct(...$args); /** * adds contextual info to this exception. * * @param array $context map of info to add * @return $this */ public function addContext(array $context) : Exceptable; /** * gets contextual info about this exception. * * @return array map of contextual info about this exception */ public function getContext() : array; /** * traverses the chain of previous exception(s) and gets the root exception. * * @return Throwable the root exception */ public function getRoot() : \Throwable; /** * gets exception severity. * * @return int the exception severity */ public function getSeverity() : int; /** * checks the exception severity. * * @return bool true if exception severity is "Error"; false otherwise */ public function isError() : bool; /** * checks the exception severity. * * @return bool true if exception severity is "Warning"; false otherwise */ public function isWarning() : bool; /** * checks the exception severity. * * @return bool true if exception severity is "Notice"; false otherwise */ public function isNotice() : bool; /** * adds contextual info to this exception. * * @param int $severity one of Exceptable::ERROR|WARNING|NOTICE * @throws ExceptableException if severity is invalid * @return $this */ public function setSeverity(int $severity) : Exceptable; } class ExceptableException extends Exception { /** * @type int NO_SUCH_CODE invalid exception code. * @type int INVALID_CONSTRUCT_ARGS invalid/out-of-order constructor arguments. * @type int INVALID_SEVERITY invalid severity level. * @type int UNCAUGHT_EXCEPTION uncaught/unhandled exception during runtime. * @type int INVALID_HANDLER invalid handler (e.g., wrong signature, or throws). */ const NO_SUCH_CODE = 1; const INVALID_CONSTRUCT_ARGS = (1<<1); const INVALID_SEVERITY = (1<<2); const UNCAUGHT_EXCEPTION = (1<<3); const INVALID_HANDLER = (1<<4); /** @see Exceptable::INFO */ const INFO = [ self::NO_SUCH_CODE => [ 'message' => 'no such code', 'severity' => Exceptable::WARNING, 'tr_message' => "no exception code '{code}' is known" ], self::INVALID_CONSTRUCT_ARGS => [ 'message' => 'constructor arguments are invalid and/or out of order', 'severity' => Exceptable::ERROR, 'tr_message' => "constructor arguments are invalid and/or out of order: {args}" ], self::INVALID_SEVERITY => [ 'message' => 'invalid severity', 'severity' => Exceptable::WARNING, 'tr_message' => 'severity must be one of Exceptable::ERROR|WARNING|NOTICE; {severity} provided' ], self::UNCAUGHT_EXCEPTION => [ 'message' => 'uncaught exception', 'severity' => Exceptable::ERROR, 'tr_message' => 'no registered handler caught exception: {__rootMessage__}' ], self::INVALID_HANDLER => [ 'message' => 'invalid handler', 'severity' => Exceptable::ERROR, 'tr_message' => 'invalid handler [{type}]: {__rootMessage__}' ] ]; } $handler = new Handler(); $handler->onError(function($s, $m, $f, $l, $c) { error_log($m); }) ->register(); trigger_error('foo!', E_USER_NOTICE);

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.018	0.004	18.56
8.3.5	0.007	0.014	19.93
8.3.4	0.007	0.011	18.85
8.3.3	0.000	0.015	18.94
8.3.2	0.007	0.000	23.65
8.3.1	0.000	0.008	23.65
8.3.0	0.003	0.006	20.59
8.2.18	0.007	0.014	18.18
8.2.17	0.000	0.015	22.96
8.2.16	0.010	0.007	20.41
8.2.15	0.005	0.003	24.18
8.2.14	0.006	0.003	24.66
8.2.13	0.004	0.004	19.72
8.2.12	0.005	0.003	26.35
8.2.11	0.006	0.003	22.23
8.2.10	0.010	0.006	17.86
8.2.9	0.004	0.007	19.20
8.2.8	0.000	0.008	17.97
8.2.7	0.008	0.000	17.75
8.2.6	0.007	0.003	18.16
8.2.5	0.003	0.005	18.07
8.2.4	0.008	0.000	18.35
8.2.3	0.003	0.006	18.12
8.2.2	0.004	0.004	18.18
8.2.1	0.000	0.008	18.13
8.2.0	0.004	0.004	17.75
8.1.28	0.006	0.015	25.92
8.1.27	0.005	0.003	22.10
8.1.26	0.000	0.008	26.35
8.1.25	0.004	0.004	28.09
8.1.24	0.000	0.009	22.23
8.1.23	0.009	0.003	22.29
8.1.22	0.006	0.003	17.77
8.1.21	0.000	0.008	18.77
8.1.20	0.000	0.010	17.48
8.1.19	0.000	0.008	17.35
8.1.18	0.003	0.006	18.10
8.1.17	0.004	0.004	18.61
8.1.16	0.006	0.003	18.90
8.1.15	0.004	0.004	20.27
8.1.14	0.003	0.005	19.65
8.1.13	0.003	0.003	19.00
8.1.12	0.007	0.000	17.53
8.1.11	0.005	0.003	17.56
8.1.10	0.004	0.004	17.52
8.1.9	0.000	0.007	17.40
8.1.8	0.005	0.002	17.43
8.1.7	0.000	0.008	17.57
8.1.6	0.008	0.004	17.72
8.1.5	0.003	0.006	17.54
8.1.4	0.003	0.006	17.51
8.1.3	0.000	0.008	17.69
8.1.2	0.005	0.003	17.72
8.1.1	0.004	0.004	17.62
8.1.0	0.004	0.004	17.58
8.0.30	0.003	0.006	18.77
8.0.29	0.006	0.003	16.88
8.0.28	0.005	0.002	18.58
8.0.27	0.000	0.008	17.32
8.0.26	0.000	0.008	18.93
8.0.25	0.003	0.005	17.11
8.0.24	0.004	0.004	17.07
8.0.23	0.004	0.004	17.13
8.0.22	0.003	0.005	17.10
8.0.21	0.004	0.004	17.00
8.0.20	0.007	0.003	17.12
8.0.19	0.007	0.000	17.19
8.0.18	0.004	0.004	17.00
8.0.17	0.004	0.004	17.02
8.0.16	0.007	0.004	17.13
8.0.15	0.004	0.004	17.01
8.0.14	0.000	0.007	17.09
8.0.13	0.003	0.003	13.49
8.0.12	0.004	0.004	17.05
8.0.11	0.003	0.005	17.11
8.0.10	0.006	0.003	16.89
8.0.9	0.007	0.000	17.03
8.0.8	0.013	0.003	17.05
8.0.7	0.003	0.006	16.96
8.0.6	0.000	0.008	16.93
8.0.5	0.000	0.008	17.08
8.0.3	0.012	0.007	17.03
8.0.2	0.010	0.011	17.41
8.0.1	0.003	0.005	17.13
8.0.0	0.015	0.003	16.98
7.4.33	0.005	0.000	15.55
7.4.32	0.003	0.003	16.59
7.4.30	0.004	0.004	16.65
7.4.29	0.003	0.003	16.55
7.4.28	0.008	0.003	16.58
7.4.27	0.000	0.007	16.70
7.4.26	0.003	0.006	16.57
7.4.25	0.008	0.000	16.39
7.4.24	0.000	0.008	16.69
7.4.23	0.004	0.004	16.66
7.4.22	0.009	0.009	16.62
7.4.21	0.013	0.007	16.60
7.4.20	0.008	0.000	16.75
7.4.16	0.010	0.007	16.54
7.4.15	0.017	0.003	17.40
7.4.14	0.010	0.008	17.86
7.4.13	0.010	0.010	16.69
7.4.12	0.011	0.010	16.64
7.4.11	0.009	0.012	16.66
7.4.10	0.016	0.003	16.66
7.4.9	0.012	0.006	16.61
7.4.8	0.013	0.010	19.39
7.4.7	0.008	0.009	16.61
7.4.6	0.012	0.009	16.56
7.4.5	0.004	0.011	16.47
7.4.4	0.008	0.008	16.45
7.4.3	0.011	0.006	16.64
7.4.0	0.008	0.008	15.18
7.3.33	0.003	0.005	13.29
7.3.32	0.000	0.008	13.30
7.3.31	0.003	0.003	16.54
7.3.30	0.000	0.007	16.43
7.3.29	0.004	0.004	16.30
7.3.28	0.010	0.010	16.43
7.3.27	0.007	0.011	17.40
7.3.26	0.009	0.010	16.57
7.3.25	0.011	0.009	16.50
7.3.24	0.009	0.009	16.46
7.3.23	0.012	0.006	16.68
7.3.21	0.007	0.011	16.67
7.3.20	0.000	0.024	19.39
7.3.19	0.010	0.010	16.70
7.3.18	0.010	0.007	16.70
7.3.17	0.008	0.008	16.49
7.3.16	0.007	0.014	16.34
7.3.12	0.003	0.014	14.86
7.3.11	0.004	0.015	14.78
7.3.10	0.007	0.010	14.67
7.3.9	0.009	0.003	14.79
7.3.8	0.006	0.010	14.76
7.3.7	0.006	0.006	15.03
7.3.6	0.004	0.011	15.06
7.3.5	0.006	0.009	14.79
7.3.4	0.004	0.007	14.68
7.3.3	0.011	0.004	14.45
7.3.2	0.011	0.003	16.55
7.3.1	0.007	0.007	16.75
7.3.0	0.008	0.008	16.58
7.2.33	0.007	0.013	16.32
7.2.32	0.009	0.009	16.61
7.2.31	0.015	0.003	16.68
7.2.30	0.016	0.005	16.59
7.2.29	0.009	0.009	16.60
7.2.25	0.003	0.018	14.82
7.2.24	0.012	0.008	14.83
7.2.23	0.009	0.006	15.24
7.2.22	0.005	0.005	15.05
7.2.21	0.007	0.003	14.86
7.2.20	0.007	0.007	14.89
7.2.19	0.003	0.013	14.85
7.2.18	0.003	0.010	15.10
7.2.17	0.000	0.011	14.92
7.2.6	0.004	0.008	16.59
7.1.33	0.006	0.006	15.81
7.1.32	0.007	0.007	15.78
7.1.31	0.004	0.008	15.70
7.1.30	0.003	0.007	15.72
7.1.29	0.010	0.003	15.37
7.1.28	0.010	0.003	15.69
7.1.27	0.008	0.006	15.70
7.1.26	0.003	0.009	15.84
7.1.20	0.000	0.012	15.47
7.1.10	0.011	0.006	18.04
7.1.7	0.000	0.008	16.73
7.1.6	0.008	0.004	17.09
7.1.5	0.004	0.018	16.95
7.1.1	0.013	0.083	22.19
7.1.0	0.010	0.063	22.25
7.0.20	0.004	0.008	16.40
7.0.15	0.013	0.063	21.96
7.0.14	0.017	0.060	21.89
7.0.13	0.017	0.060	21.96
7.0.12	0.020	0.050	21.75
7.0.11	0.020	0.067	21.85
7.0.10	0.007	0.070	21.91
7.0.9	0.010	0.067	21.87
7.0.8	0.017	0.070	21.93
7.0.7	0.017	0.077	22.01
7.0.6	0.013	0.073	21.95
7.0.5	0.010	0.087	21.95
7.0.4	0.003	0.067	21.90
7.0.3	0.017	0.050	21.86
7.0.2	0.017	0.053	21.86
7.0.1	0.000	0.067	21.98
7.0.0	0.017	0.057	21.88