PHP status, PHP 7, HHVM and co Overview of the state of PHP and its clones

1. PHP 7, 8 ,HHVM & CO
OCTOBER 13, 2016
PHP Conference
Manila
Pierre Joye

2. Pierre Joye
@pierrejoye
pierre@php.net
http://www.slideshare.net/pierre
PHP Core developer
OSS dev
Portability fan

3. hiring@BK
K

4. stats

5. contribute
.

6. https://edit.p
hp.net

7. What‘s new in PHP
worlds?

8. Awesome new extension installer
https://github.com/FriendsOfPHP/pickle

9. RFCs
https://wiki.php.net/
rfc

10. Release
Process RFC

11. Lifecycle

12. PHP 5.3
2009 - 2014

13. PHP 5.4
2012 - 2015

14. PHP 5.5
2013 - 2016

15. January 2017: security
fixes only
PHP 5.6

16. 5.6.26

17. 5 + 1 = 7

18. 6.6.6

19. 7.0.11

20. 7.1
Future is now

21. 7.0 -
speed++

22. lies, damned lies & benchmarks

25. PHP 7.0
FEATURES

26. ■ 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

27. ■ 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

28. PHP 7.1
FEATURES

29. ■ 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

30. PHP
SPECIFICATIONS
https://github.com/php/php-langspec

31. OPEN & PUBLIC
SPECIFICATIONS
COMPETIONS++

34. FOCUS ON SPEED
(MOST)

36. SPEED IS NOT
SCALE

37. STEROID++

38. What is scale?

39. SO?

42. <?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) {…

43. 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);

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

45. ZEPHIR

46. Optimization & code generation
Compilation + optimization
Native execution

47. 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;
}
}

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

49. PHP8

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

51. 20% speedup on
bench.php

52. PHP Alternative
Implementations

55. Tagua VM
Rust based PHP
Implemetation
https://github.com/tagua-vm/tagua-vm

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

57. 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

58. 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

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