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PHP 5.6 New and Deprecated Features
The document discusses the features of PHP 5.6, highlighting new, deprecated, and changed functionalities, as well as incompatibilities and new functions. It provides an overview of the PHP version landscape, including the current and upcoming releases. Additionally, it emphasizes testing procedures for PHP builds and offers resources for further information.
PHP 5.6 New and Deprecated Features
- 1. PHP 5.6: Newand Deprecated Features Mark Niebergall https://joind.in/13884
- 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
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- 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. Live Demo Setup ● 2vagrant 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. PHP 5.6 Incompatible OutWith 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. PHP 5.6 Incompatible OutWith 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. PHP 5.6 Deprecated Onthe way Out ● Calling a method from an incompatible context
- 9. PHP 5.6 Deprecated Onthe 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. PHP 5.6 Deprecated Onthe 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. PHP 5.6 Changed Changedfunctionality ● crypt() will now raise an E_NOTICE error if no salt parameter
- 12. PHP 5.6 Changed Changedfunctionality ● substr_compare() will now accept 0 for its length parameter
- 13. PHP 5.6 Changed Changedfunctionality ● 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. PHP 5.6 NewFunctions 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. PHP 5.6 NewFunctions 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. PHP 5.6 NewFeatures New stuff ● Constant scalar expressions
- 17. PHP 5.6 NewFeatures New stuff ● Variadic functions
- 18. PHP 5.6 NewFeatures New stuff ● Argument unpacking using … ● AKA Splat
- 19. PHP 5.6 NewFeatures New stuff ● Exponentiation via **
- 20. PHP 5.6 NewFeatures New stuff ● use const and use function
- 21. PHP 5.6 NewFeatures New stuff ● Upload file > 2GB o Sorry, not going to show this one
- 22. PHP 5.6 NewFeatures New stuff ● GMP now supports operator overloading
- 23. PHP 5.6 NewFeatures New stuff ● hash_equals: Timing attack safe string comparison
- 24. PHP 5.6 NewFeatures New stuff ● Magic method __debugInfo: Define output for var_dump of class
- 25. Testing PHP builds PHPQA ● 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
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