PHP7, hhvm & coPierre Joye

PHP 7, HHVM & CO

Pierre Joye

PHP7, hhvm & coPierre Joye

Pierre Joye@pierrejoyepierre@php.nethttp://www.slideshare.net/pierrej

PHP Core developerContributors to numerous OSS projects

Portability fan

PHP7, hhvm & coPierre Joye

Stats

PHP7, hhvm & coPierre Joye

What‘s going in the php world?

https://wiki.php.net/rfc/isset_ternary

PHP7, hhvm & coPierre Joye

PHP 5.32009 - 2014

PHP7, hhvm & coPierre Joye

PHP 5.4Security fixes only

PHP7, hhvm & coPierre Joye

PHP 5.6.0 is out!(btw, 5.6.1 too)

PHP7, hhvm & coPierre Joye

5 + 1 = 7

PHP7, hhvm & coPierre Joye

Roadmap

PHP7, hhvm & coPierre Joye

Features

• Rewamped Engine• True 64bit support• Large string and LFS (Large file support)• Consistent variables syntax• No more fatal error on calling method on non

object• New ?? operator• Many features under discussions

PHP7, hhvm & coPierre Joye

Recoverable error for non object

PHP7, hhvm & coPierre Joye

Recoverable error for non object

https://wiki.php.net/rfc/catchable-call-to-member-of-non-object

<?php set_error_handler(function($code,$message) { var_dump($code, $message);

});

$x= null; var_dump($x->method());echo "Alive\n";

PHP7, hhvm & coPierre Joye

Null Coalesce Operator (??)

PHP7, hhvm & coPierre Joye

Null Coalesce Operator (??)

<?php$username = $_GET['user'] ?? 'nobody'; $username = isset($_GET['user']) ? $_GET['user'] : 'nobody';

// Method/function call$model = Model::get($id) ?? $default_model;if (($model = Model::get($id)) === NULL) { $model = $default_model; }

// Chained$x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z);

https://wiki.php.net/rfc/isset_ternary

PHP7, hhvm & coPierre Joye

PHP Language Specificationhttps://github.com/php/php-langspec

PHP7, hhvm & coPierre Joye

Open & Public Specifications

Competions++

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

(Most) Focus on Speed

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

SPEED is NOT SCALE

PHP7, hhvm & coPierre Joye

SPEED is UX

PHP7, hhvm & coPierre Joye

Scale is Server SideArchitecture (Apps, Ops, Net, …)

PHP7, hhvm & coPierre Joye

My code sucks.

PHP7, hhvm & coPierre Joye

Yours too.

PHP7, hhvm & coPierre Joye

Steroids++

PHP7, hhvm & coPierre Joye

So?

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

QB<?php class OilPaintFilter {

/** @var int32 */ public $levels = 25;/** @var int32 */ public $filterSize = 5;/** * @engine qb * * @param image $dst * @param image $src * * @local float32[*][r,g,b,a] $bin * @local float32 $max_intensity * @local int32 $(current_index|max_index) * @local int32 $(filter_x|filter_y|filter_offset) * @local int32 $(x|y|x_limit|y_limit) * @local int32 $(width|height) * @local float32[r,g,b,a] $pixel * @local float32 $multiplier */public function filter(&$dst, $src) {…

PHP7, hhvm & coPierre Joye

QB

<?php function calc($n, &$a) {

$b = 18;while($n) {

$a = $b * $b * $b * $b;$n--;

}}$n = 5000000;$a = 0;calc($n, $a); $end = microtime(true);

PHP7, hhvm & coPierre Joye

QB

Source: http://php-qb.net/index.php/2-uncategorised/27-comparing-performance-in-qb-with-hhvm

PHP7, hhvm & coPierre Joye

Zephir

PHP7, hhvm & coPierre Joye

Zephir

Optimization & code generation

Compilation + optimization

Native execution

PHP7, hhvm & coPierre Joye

Zephirnamespace MyLibrary; class Filter {public function alpha(string str) {

char ch;string filtered = "";for ch in str {

if (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') {

let filtered .= ch;}

} return filtered; }}

PHP7, hhvm & coPierre Joye

Zephir

<?php $filter = new MyLibrary\Filter();echo $filter>alpha("01he#l.lo?/1");

PHP7, hhvm & coPierre Joye

PHP Alternative Implementations

PHP7, hhvm & coPierre Joye

PHP Alternative Implementations

• PHP7 (formely known as phpng)• HHVM (native code)• Recki-ct (native code)• Phalanger (.net engine)

PHP7, hhvm & coPierre Joye

Recki-ct

PHP7, hhvm & coPierre Joye

Recki-CT

PHP Cache

Parser (AST in 7+)

Recki IR

JIT~

Native Code

PHP7, hhvm & coPierre Joye

Recki-ctphp 5.5 Recki-CT hhvm 3.2 hippy-c qb

simple() 139.63357 1.00000 8.30447 7.65693 8.35018

simplecall() 38.99476 FAIL 1.32552 1.00000 FAIL

simpleucall() 54.02041 1.00000 3.52439 1.51072 47.91090

simpleudcall() 52.14534 1.00000 3.75936 1.41614 47.55259

mandel() 21.26249 1.00000 2.03372 2.11208 FAIL

mandel_typed() 23.16553 1.00000 2.11128 2.09212 3.00061

mandel2() 24.43275 1.00000 2.57704 1.87802 FAIL

mandel2_typed() 23.79989 1.00000 2.90105 1.57193 7.11054

PHP7, hhvm & coPierre Joye

Recki-ctphp 5.5 Recki-CT hhvm 3.2 hippy-c qb

ary(50000) 1.39338 FAIL 1.00000 4.47888 FAIL

ary2(50000) 1.26952 FAIL 1.00000 2.28231 FAIL

ary3(2000) 5.96015 FAIL 1.70997 1.00000 FAIL

fibo(30) 39.48440 1.00000 1.60647 16.40883 FAIL

hash1(50000) 1.70014 FAIL 1.00000 3.27314 FAIL

hash2(500) 2.23648 FAIL 1.00000 1.30044 FAIL

heapsort(20000) 3.67800 FAIL 1.00000 4.96699 FAIL

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

HHVM

PHP Cache

Parser (AST in 7+)

HHVM Opcodes

Native Code

JIT ~

Cache

PHP7, hhvm & coPierre Joye

PHP7, hhvm & coPierre Joye

PHP

PHP Cache

Parser (AST in 7+)

OpCodes

PHP7, hhvm & coPierre Joye

Resources

5.5 + opcache : 33.26 [#/sec]

7 (October 2014) + opcache : 41.61 [#/sec]

Hhvm (October 2014) : 57.74 [#/sec]

PHP7, hhvm & coPierre Joye

Resources

• http://wiki.php.net/rfc/• http://zephir-lang.com/• http://

www.slideshare.net/ircmaxell/high-performance-php-phpnw

• https://github.com/google/recki-ct• http://

blog.ircmaxell.com/2014/08/introducing-recki-ct.html

• https://github.com/chung-leong/qb/wiki/Introduction

PHP7, hhvm & coPierre Joye

Resources

• https://wiki.php.net/rfc/phpng• https://wiki.php.net/rfc/abstract_syntax_tree• http://

hhvm.com/blog/6323/the-journey-of-a-thousand-bytecodes

PHP7, hhvm & coPierre Joye

Resources

• http://phpdbg.com/• http://windows.php.net/qa/• http://qa.php.net/