PHP 7, 8 ,HHVM & CO

OCTOBER 13, 2016PHP Conference ManilaPierre Joye

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

PHP Core developerOSS dev

Portability fan

hiring@BKK

dev – devops - sysops

stats

contribute.

https://edit.php.net

What‘s new in PHP worlds?

Awesome new extension installer

https://github.com/FriendsOfPHP/pickle

RFCshttps://wiki.php.net/

rfc

Release Process RFChttps://wiki.php.net/rfc/

releaseprocess

Lifecycle

PHP 5.32009 - 2014

PHP 5.42012 - 2015

PHP 5.52013 - 2016

January 2017: security fixes onlyPHP 5.6

5.6.26

5 + 1 = 7

6.6.6

7.0.11

7.1Future is now

7.0 - speed++

lies, damned lies & benchmarks

PHP 7.0FEATURES

■Rewamped Engine■True 64bit support■Large string and LFS (Large file support)■Consistent variables syntax■Error exception instead of fatal error■Scalar type declarations■Zero cost asserts

■Secure RNG■PHP4 constructors deprecated■JIT enabled PCRE■Removed ext/mysql, ext/ereg and more■New ?? and spaceship operators■New JSON parser■Many other features, a lot already target

7.1

PHP 7.1FEATURES

■Multiple Exception types catch■Http/2 Push support■Class constant visibility■Improved return types (void and more)■Allow custom keys for list(“foo“, “bar“)■Warning about invalid strings in arithmetic ops■Many more features

PHPSPECIFICATIONS

https://github.com/php/php-langspec

OPEN & PUBLIC SPECIFICATIONS

COMPETIONS++

FOCUS ON SPEED (MOST)

SPEED IS NOT SCALE

STEROID++

What is scale?

SO?

<?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) {…

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);

QB

Source: http://php-qb.net/index.php/2-uncategorised/27-comparing-performance-in-qb-with-hhvmSee http://benchmarksgame.alioth.debian.org/u32/performance.php?test=spectralnorm or other

ZEPHIR

Optimization & code generation

Compilation + optimization

Native execution

namespace 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; }}

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

PHP8

https://github.com/zendtech/php-src/tree/jit-dynasm/ext/opcache/jit

20% speedup on bench.php

PHP Alternative Implementations

Tagua VMRust based PHP Implemetation

https://github.com/tagua-vm/tagua-vm

Future

■Extend PHP using php (à la hhvm)■Go, Rust, .net extensions

Resources

■ http://wiki.php.net/rfc/■ http://zephir-lang.com/■ http://www.slideshare.net/ircmaxell/high-performance-php-phpnw■ http://talks.php.net/fluent15#/■ https://github.com/google/recki-ct■ http://blog.ircmaxell.com/2014/08/introducing-recki-ct.html■ https://github.com/chung-leong/qb/wiki/Introduction

Resources

■ https://edit.php.net/■ 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■ https://github.com/php/php-src/blob/master/UPGRADING■ https://github.com/php/php-src/blob/master/UPGRADING.INTERNALS

Resources

■ http://phpdbg.com/■ http://windows.php.net/qa/■ http://qa.php.net/■ http://ongr.io■ http://aka.ms/AzureCodeManiac2015