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Practical PHP7

Practical PHP7

Leszek Krupiński

November 14, 2015
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  1. Practical PHP7
    Leszek Krupiński PHPCon 2015

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  2. @leafnode

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  4. http://phpers.pl/

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  5. View Slide

  6. About

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  7. View Slide

  8. View Slide

  9. What’s now

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  10. PHP 5.3

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  12. PHP 5.4

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  14. PHP 5.5

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  15. View Slide

  16. http://w3techs.com/technologies/details/pl-php/all/all

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  17. http://w3techs.com/technologies/details/pl-php/5/all

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  19. http://php.net/supported-versions.php

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  20. PHP7!

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  22. PHP6?

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  24. PHP RFC: Name of
    Next Release of PHP
    https://wiki.php.net/rfc/php6

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  27. PHP7

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  28. View Slide

  29. Backward
    Compatibility Breaks

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  30. PHP RFC: Remove
    alternative PHP tags
    https://wiki.php.net/rfc/remove_alternative_php_tags

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  31. The following syntactical elements are removed:
    • • • %> closing tag
    • (\s*>)i opening tag
    • ()i closing tag

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  33. PHP RFC: Removal of dead
    or not yet PHP7 ported
    SAPIs and extensions
    https://wiki.php.net/rfc/removal_of_dead_sapis_and_exts

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  34. • sapi/aolserver
    • sapi/apache
    • sapi/apache_hooks
    • sapi/apache2filter
    • sapi/caudium
    • sapi/continuity
    • sapi/isapi
    • sapi/phttpd
    • sapi/pi3web
    • sapi/roxen
    • sapi/thttpd
    • sapi/tux
    • sapi/webjames
    • ext/mssql
    • ext/sybase_ct

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  35. PHP RFC: Remove
    deprecated
    functionality in PHP 7
    https://wiki.php.net/rfc/remove_deprecated_functionality_in_php7

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  36. • ext/ereg
    • ext/mysql

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  38. Use PCRE

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  40. Use mysqli/PDO

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  41. The following language features are
    deprecated:
    • Assignment of new by reference (since PHP
    5.3; use normal assignment instead) REMOVED
    • Scoped calls of non-static methods from
    incompatible $this context (since PHP 5.6)
    REMOVED
    The following functions are deprecated:
    • dl on fpm-fcgi (since PHP 5.3) REMOVED
    • set_magic_quotes_runtime and
    magic_quotes_runtime (since PHP 5.4) REMOVED
    • set_socket_blocking (since PHP 5.4; use
    stream_set_blocking instead) REMOVED
    • mcrypt_generic_end (since PHP 5.4; use
    mcrypt_generic_deinit instead) REMOVED
    • mcrypt_ecb, mcrypt_cbc, mcrypt_cfb and
    mcrypt_ofb (since PHP 5.5, but documented as
    deprecated earlier; use mcrypt_encrypt and
    mcrypt_decrypt instead) REMOVED
    • datefmt_set_timezone_id and
    IntlDateFormatter::setTimeZoneID (since PHP
    5.5; use datefmt_set_timezone or
    IntlDateFormatter::setTimeZone instead)
    REMOVED
    The following ini options are deprecated:
    • xsl.security_prefs (since PHP 5.4; use
    XsltProcessor::setSecurityPrefs instead)
    REMOVED
    The following miscellaneous functionality is
    deprecated:
    • The $is_dst parameter of the mktime() and
    gmmktime() functions (since PHP 5.1) REMOVED
    • # style comments in ini files (since PHP
    5.3; use ; style comments instead) REMOVED
    • String category names in setlocale() (since
    PHP 5.3; use LC_* constants instead) REMOVED
    • Unsafe curl file uploads (since PHP 5.5; use
    CurlFile instead) REMOVED
    • preg_replace() eval modifier (since PHP 5.5;
    use preg_replace_callback instead) REMOVED
    • PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STAT
    EMENT driver option (since PHP 5.6; use
    PDO::ATTR_EMULATE_PREPARES instead) REMOVED
    • CN_match and SNI_server_name stream context
    option (since PHP 5.6; use peer_name
    instead) REMOVED

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  42. PHP RFC: Remove PHP 4
    Constructors
    https://wiki.php.net/rfc/remove_php4_constructors

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  48. PHP RFC: Make defining
    multiple default cases in
    a switch a syntax error
    https://wiki.php.net/rfc/switch.default.multiple

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  50. PHP RFC: Uniform
    Variable Syntax
    https://wiki.php.net/rfc/uniform_variable_syntax

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  55. PHP RFC: Context
    Sensitive Lexer
    https://wiki.php.net/rfc/context_sensitive_lexer

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  57. PHP RFC: Reserved
    Keywords
    https://wiki.php.net/rfc/
    reserve_more_types_in_php_7

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  58. int
    float
    bool
    string
    true, false
    null

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  59. int
    float
    bool
    string
    true, false
    null

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  60. New stuff

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  62. Lies, damned lies,
    statistics

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  63. https://www.zend.com/en/resources/php7_infographic

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  64. Type hinting

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  65. PHP RFC: Return Type
    Declarations
    https://wiki.php.net/rfc/return_types

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  67. PHP RFC: Scalar Type
    Declarations
    https://wiki.php.net/rfc/scalar_type_hints_v5

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  75. …integers are
    accepted for floating
    point arguments.

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  76. Use pattern

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  77. Static analysis

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  78. IDE hinting

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  79. Engine / JIT hinting

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  80. Engine Exceptions
    https://wiki.php.net/rfc/throwable-interface
    https://wiki.php.net/rfc/engine_exceptions_for_php7

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  82. Throwable Interface

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  87. Null Coalesce
    Operator
    https://wiki.php.net/rfc/isset_ternary

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  89. It’s not Elvis

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  92. PHP RFC: Easy User-
    land CSPRNG
    https://wiki.php.net/rfc/easy_userland_csprng

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  94. RFC: Anonymous
    Classes
    https://wiki.php.net/rfc/anonymous_classes

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  96. Use Patterns

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  97. One-time use

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  99. Test Stubs

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  101. Quick And Dirty
    Hacks

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  104. Combined Comparison
    Operator
    https://wiki.php.net/rfc/combined-comparison-operator

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  105. T_SPACESHIP

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  107. Because
    T_PAAMAYIM_NEKUDOTAYIM
    is not enough

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  111. RFC: Unicode Escape
    Syntax
    https://wiki.php.net/rfc/unicode_escape

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  113. …and more
    Closure bind, Generator fixes, Group use
    declarations, Assertions…

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  114. Future

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  115. Void Return Type
    https://wiki.php.net/rfc/void_return_type

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  116. Generics
    https://wiki.php.net/rfc/generics

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  118. Named Parameters
    https://wiki.php.net/rfc/named_params

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  121. PHP8!

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  122. More!
    • PHP7 migration guide

    http://php.net/manual/en/migration70.php
    • PHP7 tutorial

    http://php7-tutorial.com
    • PHP7 Compatibility Checker

    https://github.com/sstalle/php7cc
    • PHP7 RFCs

    https://wiki.php.net/rfc#php_70
    • PHP7 Vagrant Boxes

    https://github.com/rlerdorf/php7dev
    • Upgrading to PHP7 free ebook

    http://www.oreilly.com/web-platform/free/upgrading-to-php-
    seven.csp

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  123. Pytania?

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  124. Dziękuję
    @leafnode
    http://speakerdeck.com/leafnode/
    https://joind.in/16214

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