1. 1. PHP 5.6: New and Deprecated Features Mark Niebergall https://joind.in/13884
2. 2. About Mark Niebergall Developing in PHP since 2005 Masters degree in Information Systems Senior Software Engineer and Team Lead Occupational health screening project Security: SSCP, CSSLP Certified PHP, databases, JavaScript Enjoy being outdoors
3. 3. Supported Versions See http://php.net/supported-versions.php
4. 4. State of PHP PHP 5.3.29 EOL for PHP 5.3 release August 14, 2014 PHP 5.4.40 released April 16, 2015, aging but still heavily used PHP 5.5.24 is current, many servers running PHP 5.5.X PHP 5.6.8 released April 16, 2015 PHP 5.6.0 available since August 28, 2014 PHP 5.7 is under development PHP 7.0 is under development o PHP 6 unicode, branched but will never have production release o Vote for version 6 vs 7, decided on 7 o Focused on performance o More compact data structures - easier for JIT compiler o Improved variable syntax (see https://wiki.php.net/rfc/uniform_variable_syntax)
5. 5. Live Demo Setup 2 vagrant virtual machines with puppet o 1 with PHP 5.5.8 o 1 with PHP 5.6.0 o Automatic code sync so same code resides on both web servers See https://qa.php.net/howtohelp.php
6. 6. PHP 5.6 Incompatible Out With The Old Array keys won't be overwritten when defining an array as a property of a class via an array literal Source: http://us1.php.net/manual/en/migration56.incompatible.php
7. 7. PHP 5.6 Incompatible Out With The Old json_decode strictness Stream wrappers now verify peer certificates and host names by default when using SSL/TLS GMP (GNU Multiple Precision Arithmetic Library) resources are now objects Mcrypt functions now require valid keys and initialization vectors Source: http://us1.php.net/manual/en/migration56.incompatible.php
8. 8. PHP 5.6 Deprecated On the way Out Calling a method from an incompatible context
9. 9. PHP 5.6 Deprecated On the way Out $HTTP_RAW_POST_DATA and always_populate_raw_post_data o use php://input instead (file_get_contents('php://input')) o php://input is now reusable Source: http://us1.php.net/manual/en/migration56.deprecated.php
10. 10. PHP 5.6 Deprecated On the way Out iconv and mbstring encoding settings o default_charset with UTF-8 as default value o iconv.input_encoding, iconv.output_encoding, iconv.internal_encoding o mbstring.http_input, mbstring.http_output, mbstring.internal_encoding Source: http://us1.php.net/manual/en/migration56.deprecated.php
11. 11. PHP 5.6 Changed Changed functionality crypt() will now raise an E_NOTICE error if no salt parameter
12. 12. PHP 5.6 Changed Changed functionality substr_compare() will now accept 0 for its length parameter
13. 13. PHP 5.6 Changed Changed functionality unserialize() will now fail if passed serialized data that has been manipulated to attempt to instantiate an object without calling its constructor cURL @file vs CURLFile Mcrypt source default value for mcrypt_create_iv PostgreSQL functions no longer experimental (ex: pg_insert) PostgreSQL pg_send_* no longer block until query write completion ReflectionClass::newInstanceWithoutConstructor() now allows non-final internal classes to be instantiated XMLReader::getAttributeNs() and XMLReader::getAttributeNo() now return NULL if the attribute could not be found, like XMLReader::getAttribute() Source: http://us1.php.net/manual/en/migration56.changed-functions.php
14. 14. PHP 5.6 New Functions New functions GMP: gmp_root(), gmp_rootrem() LDAP: ldap_escape(), ldap_modify_batch() MySQLi: mysqli_get_links_stats() OCI8: oci_get_implicit_resultset() OpenSSL: openssl_get_cert_locations(), openssl_x509_fingerprint(), openssl_spki_new(), openssl_spki_verify(), openssl_spki_export_challenge(), openssl_spki_export() Source: http://us1.php.net/manual/en/migration56.new-functions.php
15. 15. PHP 5.6 New Functions New functions (continued) PostgreSQL: pg_connect_poll(), pg_consume_input(), pg_flush(), pg_socket() PDO_PGSQL: PDO::pgsqlGetNotify(), PDO::pgsqlGetPid() Zip: ZipArchive::setPassword() Source: http://us1.php.net/manual/en/migration56.new-functions.php
16. 16. PHP 5.6 New Features New stuff Constant scalar expressions
17. 17. PHP 5.6 New Features New stuff Variadic functions
18. 18. PHP 5.6 New Features New stuff Argument unpacking using AKA Splat
19. 19. PHP 5.6 New Features New stuff Exponentiation via **
20. 20. PHP 5.6 New Features New stuff use const and use function
21. 21. PHP 5.6 New Features New stuff Upload file > 2GB o Sorry, not going to show this one
22. 22. PHP 5.6 New Features New stuff GMP now supports operator overloading
23. 23. PHP 5.6 New Features New stuff hash_equals: Timing attack safe string comparison
24. 24. PHP 5.6 New Features New stuff Magic method __debugInfo: Define output for var_dump of class
25. 25. Testing PHP builds PHP QA Testing overview at https://qa.php.net/ Test a build o wget http://downloads.php.net/tyrael/php-5.6.9RC1.tar.gz o tar xvzf php-5.6.9RC1.tar.gz o cd php-5.6.9RC1 o ./configure o make test Write testcases Give PHP QA team server time See https://qa.php.net/howtohelp.php
26. 26. Testing PHP builds PHP QA
27. 27. Testing PHP builds PHP QA
28. 28. Questions? https://joind.in/13884