PHP7 @ PHP Day Spain 2015

Presentation of the new PHP version along with bits of history and benchmarks of our Ulabox app at the PHP Day Spain 2015

Transcript

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3. That's Me!
   Albert Casademont
   ulabox.com
   @acasademont
   (no Linkedin available, sorry!)
   

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7. HipHop Virtual Machine
   HipHop for PHP
   

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9. PHP6
   PHPNG
   

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10. ¡PHP7!
    

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11. but first...
    

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12. Get PHP 5.6
    PLEASE
    

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13. variadics
    

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15. splat operator
    

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17. ** operator
    

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19. + nice speed bump
    

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20. PHP7
    a.k.a.
    PHPNG
    

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21. Internals
    heavily modified data structs
    (current extensions won't work)
    call frame optimization
    new memory manager
    we finally have an AST!
    no JIT (yet)
    

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22. Internals
    Immutable arrays
    PCRE with JIT
    new JSON parser
    ...and more to come
    (watch Dmitry Stogof's talk on PHP7 internals for more!)
    

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23. Removed features
    mysql extension :'(
    ereg extension
    ASP style tags
    ...and many more
    

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25. null coalesce
    https://wiki.php.net/rfc/isset_ternary
    

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27. uniform variable
    https://wiki.php.net/rfc/uniform_variable_syntax
    

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29. ¡¡¡return types!!!
    https://wiki.php.net/rfc/return_types
    

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33. ¿named parameters?
    https://wiki.php.net/rfc/named_params
    

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35. ¿nullable types?
    https://wiki.php.net/rfc/nullable_types
    

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37. ¿scalar type hinting?
    https://wiki.php.net/rfc/scalar_type_hints
    

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40. Test environment
    VM Debian 7 1GB RAM, 1 core, SSD
    ulabox.com symfony 2 index / product page
    PHP 5.5 / 5.6 / 7.0
    opcache.validate_timestamps = 0
    opcache.enable_file_override = 1
    HHVM 3.5
    Hhvm.server_stat_cache = 1
    No extensions! (APCu)
    Nginx, Redis, Solr, MySQL
    

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41. PHP 5.5 PHP 5.6 XXX XXX
    0
    20
    40
    60
    80
    100
    120
    140
    160
    180
    200
    102 101
    61 64
    133
    130
    79
    83
    190 190
    112
    32
    Index
    Product
    Bench.php
    msec
    

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42. and the
    Oscar goes
    to...
    

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43. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.5
    0
    20
    40
    60
    80
    100
    120
    140
    160
    180
    200
    102 101
    61 64
    133
    130
    79
    83
    190 190
    112
    32
    Index
    Product
    Bench.php
    msec
    

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44. Resources
    https://wiki.php.net/phpng
    https://wiki.php.net/rfc
    http://news.php.net/php.internals
    https://joind.in/talk/view/12068
    https://atlas.hashicorp.com/rasmu
    s/boxes/php7dev
    https://github.com/php/php-src
    

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45. gràcies ;)
    

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