Practical PHP7

Transcript

1. Practical PHP7 Leszek Krupiński PHPCon 2015
2. @leafnode
4. http://phpers.pl/
6. About
9. What’s now
10. PHP 5.3
12. PHP 5.4
14. PHP 5.5
16. http://w3techs.com/technologies/details/pl-php/all/all
17. http://w3techs.com/technologies/details/pl-php/5/all
19. http://php.net/supported-versions.php
20. PHP7!
22. PHP6?
24. PHP RFC: Name of Next Release of PHP https://wiki.php.net/rfc/php6
27. PHP7
29. Backward Compatibility Breaks
30. PHP RFC: Remove alternative PHP tags https://wiki.php.net/rfc/remove_alternative_php_tags
31. The following syntactical elements are removed: • <% opening tag • <%= opening tag with echo • %> closing tag • (<script\s+language\s*=\s*(php|"php"|'php') \s*>)i opening tag • (</script>)i closing tag
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
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
35. PHP RFC: Remove deprecated functionality in PHP 7 https://wiki.php.net/rfc/remove_deprecated_functionality_in_php7
36. • ext/ereg • ext/mysql
38. Use PCRE
40. Use mysqli/PDO
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
42. PHP RFC: Remove PHP 4 Constructors https://wiki.php.net/rfc/remove_php4_constructors
48. PHP RFC: Make defining multiple default cases in a switch a syntax error https://wiki.php.net/rfc/switch.default.multiple
50. PHP RFC: Uniform Variable Syntax https://wiki.php.net/rfc/uniform_variable_syntax
55. PHP RFC: Context Sensitive Lexer https://wiki.php.net/rfc/context_sensitive_lexer
57. PHP RFC: Reserved Keywords https://wiki.php.net/rfc/ reserve_more_types_in_php_7
58. int float bool string true, false null
59. int float bool string true, false null
60. New stuff
62. Lies, damned lies, statistics
63. https://www.zend.com/en/resources/php7_infographic
64. Type hinting
65. PHP RFC: Return Type Declarations https://wiki.php.net/rfc/return_types
67. PHP RFC: Scalar Type Declarations https://wiki.php.net/rfc/scalar_type_hints_v5
75. …integers are accepted for floating point arguments.
76. Use pattern
77. Static analysis
78. IDE hinting
79. Engine / JIT hinting
80. Engine Exceptions https://wiki.php.net/rfc/throwable-interface https://wiki.php.net/rfc/engine_exceptions_for_php7
82. Throwable Interface
87. Null Coalesce Operator https://wiki.php.net/rfc/isset_ternary
89. It’s not Elvis
92. PHP RFC: Easy User- land CSPRNG https://wiki.php.net/rfc/easy_userland_csprng
94. RFC: Anonymous Classes https://wiki.php.net/rfc/anonymous_classes
96. Use Patterns
97. One-time use
99. Test Stubs
101. Quick And Dirty Hacks
104. Combined Comparison Operator https://wiki.php.net/rfc/combined-comparison-operator
105. T_SPACESHIP
107. Because T_PAAMAYIM_NEKUDOTAYIM is not enough
111. RFC: Unicode Escape Syntax https://wiki.php.net/rfc/unicode_escape
113. …and more Closure bind, Generator fixes, Group use declarations, Assertions…
114. Future
115. Void Return Type https://wiki.php.net/rfc/void_return_type
116. Generics https://wiki.php.net/rfc/generics
118. Named Parameters https://wiki.php.net/rfc/named_params
121. PHP8!
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
123. Pytania?
124. Dziękuję @leafnode http://speakerdeck.com/leafnode/ https://joind.in/16214