Getting hands dirty with php7

GETTINGHANDSDIRTY

MICHELANGELOVANDAMPHPCONSULTANT&COMMUNITYLEADER

Credits:phpbgonflickr.com

https://www.flickr.com/photos/bgphp/21987883886

AGENDAWHATHASCHANGEDSINCEPHP5?

WHAT’SNEWINPHP7?

OTHERTHINGSYOUNEEDTOKNOW

MIGRATINGPHP5APPSTOPHP7

CLOSINGREMARKS&QUESTIONS


WHAT’SNEWINPHP7?




BCBREAKCHANGEDBEHAVIORINPHP7

Source:HernánPiñeraonflickr.com

https://www.flickr.com/photos/hernanpc/7115374283

FATALERRORS๏ Fatalandrecoverablefatalerrorsarenow“Throwable”

๏ Theseerrorsinheritfrom“Error”class

๏ The“Errors”classisonthesamelevelasExcepFonclass

๏ Both“Errors”and“ExcepFons”implement“Throwable”interface

๏ Hasaneffecton:

๏ “set_excepFon_handler”:canreceiveErrorsandExcepFons

๏ allinternalclassesnowthrowExcepFononconstructfailure

๏ Parseerrorsnowthrow“ParseError”

EXAMPLEERRORPHP5VS7<?php

$example = new Example(); // PHP 5 error outputs: // PHP Fatal error: Class 'Example' not found in php7-workshop/errors.php on line 4 // PHP Stack trace: // PHP 1. {main}() php7-workshop/errors.php:0

// PHP 7 error outputs: // PHP Fatal error: Uncaught Error: Class 'Example' not found in php7-workshop/errors.php:4 // Stack trace: // #0 {main} // thrown in php7-workshop/errors.php on line 4 // // Fatal error: Uncaught Error: Class 'Example' not found in php7-workshop/errors.php on line 4 // // Error: Class 'Example' not found in php7-workshop/errors.php on line 4 // // Call Stack: // 0.0003 351648 1. {main}() php7-workshop/errors.php:0

EXCEPTIONHANDLING<?php

function exceptionHandler(Exception $e) { echo 'PHP ' . phpversion() . PHP_EOL; echo $e->getMessage() . PHP_EOL; echo $e->getTraceAsString() . PHP_EOL; } set_exception_handler('exceptionHandler');

class Foo { public function bar() { throw new Exception('foo-bar'); } }

$foo = new Foo(); $foo->bar();

// PHP 5.6.4 // foo-bar // #0 php7-workshop/Errors/errorhandler.php(24): Foo->bar() // #1 {main}

// PHP 7.0.2 // foo-bar // #0 php7-workshop/Errors/errorhandler.php(24): Foo->bar() // #1 {main}

THROWABLEEXAMPLE<?php

echo 'PHP ' . phpversion() . PHP_EOL; try { $foo = new foo(); } catch (Exception $e) { echo 'I am an exception: ' . $e->getMessage() . PHP_EOL; } catch (Error $e) { echo 'I am an error: ' . $e->getMessage() . PHP_EOL; } catch (Throwable $t) { echo 'I am throwable: ' . $t->getMessage() . PHP_EOL; }

// PHP 5.6.4 // Fatal error: Class 'foo' not found in // php7-workshop/Errors/throwable.php on line 5

// PHP 7.0.2 // I am an error: Class 'foo' not found

VARIABLEVARIABLES<?php

echo 'PHP ' . phpversion() . PHP_EOL; $foo = [ 'bar' => [ 'baz' => 'foo-bar-baz', 'bay' => 'foo-bar-bay', ], ]; echo $foo['bar']['baz'] . PHP_EOL;

$foo = new \stdClass(); $foo->bar = ['baz' => 'foo-bar-baz']; $bar = 'bar'; echo $foo->$bar['baz'] . PHP_EOL;

// PHP 5.6.4 // foo-bar-baz // // Warning: Illegal string offset 'baz' in php7-workshop/Variable/vars.php on line 15

// PHP 7.0.2 // foo-bar-baz // foo-bar-baz

GLOBALS<?php

echo 'PHP ' . phpversion() . PHP_EOL;

$a = 'Hello'; $$a = 'World!';

function foo() { global $a, $$a; return $a . ' ' . $$a; }

echo foo() . PHP_EOL;

// PHP 5.6.4 // Hello World!


GLOBALS(CONT.)<?php


$a = 'Hello'; $$a = 'World!';

function foo() { global $a, ${$a}; return $a . ' ' . ${$a}; }

echo foo() . PHP_EOL;



LISTORDER<?php

list ($a[], $a[], $a[]) = [1, 2, 3]; echo 'PHP ' . phpversion() . ': ' . implode(', ', $a) . PHP_EOL;

// PHP 5.6.4: 3, 2, 1 // PHP 7.0.2: 1, 2, 3

list ($b[], $b[], $b[]) = [3, 2, 1]; echo 'PHP ' . phpversion() . ': ' . implode(', ', $b) . PHP_EOL;

// PHP 5.6.4: 1, 2, 3 // PHP 7.0.2: 3, 2, 1

FOREACHINTERNALPOINTER<?php

echo 'PHP ' . phpversion() . PHP_EOL; $a = [0, 1, 2]; foreach ($a as &$val) { var_dump(current($a)); }

// PHP 5.6.4 // int(1) // int(2) // bool(false)

// PHP 7.0.2 // int(0) // int(0) // int(0)

FOREACHITERATIONISSUE<?php

echo 'PHP ' . phpversion() . PHP_EOL; $a = ['a', 'b', 'c'];

foreach ($a as &$item) { echo current($a) . PHP_EOL; // When we reach the end, close with double newline if (false === current($a)) { echo PHP_EOL . PHP_EOL; } }

echo 'Hello World!' . PHP_EOL;

// PHP 5.6.4 // b // c // // // // Hello World!

// PHP 7.0.2 // a // a // a // Hello World!

INVALIDOCTALS<?php

echo 'PHP ' . phpversion() . PHP_EOL; $a = 0128; // faulty octal

var_dump($a);

// PHP 5.6.4 // int(10) -> PHP converted it to 012

// PHP 7.0.2 // // Parse error: Invalid numeric literal in // php7-workshop/Octals/Octals.php on line 4

NEGATIVEBITSHIFTS<?php

echo 'PHP ' . phpversion() . PHP_EOL; var_dump(1 >> -1);

// PHP 5.6.4 // int(0)

// PHP 7.0.2 // PHP Fatal error: Uncaught ArithmeticError: Bit shift by // negative number in php7-workshop/Bitshift/bitshift.php:4 // Stack trace: // #0 {main} // thrown in php7-workshop/Bitshift/bitshift.php on line 4 // // Fatal error: Uncaught ArithmeticError: Bit shift by negative // number in php7-workshop/Bitshift/bitshift.php on line 4 // // ArithmeticError: Bit shift by negative number in // php7-workshop/Bitshift/bitshift.php on line 4 // // Call Stack: // 0.0006 352104 1. {main}() php7-workshop/Bitshift/bitshift.php:0

BITSHIFTOVERFLOW<?php echo 'PHP ' . phpversion() . PHP_EOL; $a = 0b111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111; echo var_export($a >> 1, true) . PHP_EOL;

// PHP 5.3.29 // Parse error: syntax error, unexpected T_STRING in php7-workshop/Bitshift/outofrangebit.php on line 3

// PHP 5.6.4 // 0

// PHP 7.0.2 // 0

DIVISIONBYZERO<?php


echo (0 / 0) . PHP_EOL; echo (3 / 0) . PHP_EOL; echo (3 / 0) . PHP_EOL;

// PHP 5.6.4 // // Warning: Division by zero in php7-workshop/Zero/division.php on line 5 // Warning: Division by zero in php7-workshop/Zero/division.php on line 6 // Warning: Division by zero in php7-workshop/Zero/division.php on line 7

// PHP 7.0.2 // Warning: Division by zero in php7-workshop/Zero/division.php on line 5 // NAN // Warning: Division by zero in php7-workshop/Zero/division.php on line 6 // INF// Warning: Division by zero in php7-workshop/Zero/division.php on line 7 // INF

HEXVALUES<?php


var_dump("0x123" == "291"); var_dump(is_numeric("0x123")); var_dump("0xe" + "0x1"); var_dump(substr("foo", "0x1"));

// PHP 5.6.4 // bool(true) // bool(true) // int(15) // string(2) "oo"

// PHP 7.0.2 // bool(false) // bool(false) // int(0) // // Notice: A non well formed numeric value encountered // in php7-workshop/Hex/hex.php on line 8 // string(3) "foo"

REMOVEDFROMPHP7๏ call_user_*

๏ call_user_method()->call_user_func()

๏ call_user_method_array()->call_user_func_array()

๏ mcrypt_*

๏ mcrypt_generic_end()->mcrypt_generic_deinit()

๏ mcrypt_ecb()->mcrypt_decrypt()

๏ mcrypt_cbc()->mcrypt_decrypt()

๏ mcrypt_cP()->mcrypt_decrypt()

๏ mcrypt_oP()->mcrypt_decrypt()

๏ datefmt_set_Fmezone_id()->datefmt_set_Fmezone()

๏ IntlDateFormaTer::setTimeZoneID()->IntlDateFormaTer::setTimeZone()

๏ set_magic_quotes_runFme()

๏ set_socket_blocking()->stream_set_blocking()

http://php.net/manual/en/function.mcrypt-decrypt.php




http://php.net/manual/en/intldateformatter.settimezone.php

REMOVEDGDFUNCTIONS๏ imagepsbbox()

๏ imagepsencodefont()

๏ imagepsextendfont()

๏ imagepsfreefont()

๏ imagepsloadfont()

๏ imagepsslanWont()

๏ imagepstext()

EXT/MYSQL๏ DeprecatedinPHP5.5

๏ RemovedinPHP7

๏ Allmysql_*funcFons!!!

WILLYOUMISSIT?!?๏ script-tag

<scriptlanguage="php">// PHP code goes here </script>

๏ ASP-tag<%// PHP code goes here %>

<%= 'echoing something here' %>

OTHERREMOVED/CHANGEDITEMS๏ php.ini

๏ always_populate_raw_post_data

๏ asp_tags

๏ xsl.security_prefs

๏ $HTTP_RAW_POST_DATA->php://input

๏ No#inINIfileswithparse_ini_file()orparse_ini_string()->use;

๏ func_get_arg()andfunc_get_args()returnalwayscurrentvalueofarguments(nolongeroriginalvalues)

php://input


WHAT’SNEWINPHP7?




PHP7.1-WHAT’SCOMING

NEWFEATURES…

NULLABLETYPE<?php

class Foo { protected $bar;

public function __construct(string $bar = null) { if (null !== $bar) { $this->bar = $bar; } }

public function getBar(): string { return $this->bar; } }

$foo = new Foo(); $bar = $foo->getBar(); var_dump($bar);

NULLABLETYPE<?php

class Foo { protected $bar;

public function __construct(?string $bar = null) { if (null !== $bar) { $this->bar = $bar; } }

public function getBar(): ?string { return $this->bar; } }

$foo = new Foo(); $bar = $foo->getBar(); var_dump($bar);

VOIDFUNCTIONS<?php

class Foo { public function sayHello(string $message): void { echo 'Hello ' . $message . '!' . PHP_EOL; } }

$foo = new Foo(); $foo->sayHello('World');

SYMMETRICARRAYDESTRUCTURING<?php

$talks = [ [1, 'Getting hands dirty with PHP7'], [2, 'Decouple your framework'], [3, 'PHPunit speedup with Docker'], [4, 'Open source your business for success'], ];

// short-hand list notation [$id, $title] = $talks[0]; echo sprintf('%s (%d)', $title, $id) . PHP_EOL; echo PHP_EOL;

// shorthand foreach list notation foreach ($talks as [$id, $title]) { echo sprintf('%s (%d)', $title, $id) . PHP_EOL; }

SUPPORTFORKEYSINLIST()<?php

$talks = [ [1, 'Getting hands dirty with PHP7'], [2, 'Decouple your framework'], [3, 'PHPunit speedup with Docker'], [4, 'Open source your business for success'], ];

// short-hand list notation ['id' => $id, 'title' => $title] = $talks[0]; echo sprintf('%s (%d)', $title, $id) . PHP_EOL; echo PHP_EOL;

// shorthand foreach list notation foreach ($talks as ['id' => $id, 'title' => $title]) { echo sprintf('%s (%d)', $title, $id) . PHP_EOL; }

CLASSCONSTANTVISIBILITY<?php

class ConstDemo { const PUBLIC_CONST_A = 1; public const PUBLIC_CONST_B = 2; protected const PROTECTED_CONST = 3; private const PRIVATE_CONST = 4; }

ITERABLEPSEUDO-TYPE<?php function iterator(iterable $iterable) { foreach ($iterable as $value) { // } }

MULTICATCHEXCEPTIONHANDLING<?php try { // some code } catch (FirstException | SecondException $e) { // handle first and second exceptions }

SUPPORTFORNEGATIVESTRINGOFFSETS<?php

$string = 'ThisIsALongString.php'; echo substr($string, 0, strlen($string) - 4) . PHP_EOL; // Outputs: ThisIsALongString

echo substr($string, 0, -4) . PHP_EOL; // Outputs: ThisIsALongString

CONVERTCALLABLESTOCLOSURESWITHCLOSURE::FROMCALLABLE()<?php class Test { public function exposeFunction() { return Closure::fromCallable([$this, 'privateFunction']); }

private function privateFunction($param) { var_dump($param); } }

$privFunc = (new Test)->exposeFunction(); $privFunc('some value');

ASYNCHRONOUSSIGNALHANDLING<?php pcntl_async_signals(true); // turn on async signals

pcntl_signal(SIGHUP, function($sig) { echo "SIGHUP\n"; });

posix_kill(posix_getpid(), SIGHUP);

HTTP/2SERVERPUSHSUPPORTINEXT/CURL๏ CURLMOPT_PUSHFUNCTION

๏ CURL_PUSH_OK

๏ CURL_PUSH_DENY

PHP7.1:THENEWSTUFF

NEWFUNCTIONS๏ Closure

๏ Closure::fromCallable()

๏ CURL

๏ curl_mulF_errno()

๏ curl_share_errno()

๏ curl_share_strerror()

๏ SPL

๏ is_iterable()

๏ PCNTL

๏ pcntl_async_signals()

NEWGLOBALCONSTANTS๏ CorePredefinedConstants

๏ PHP_FD_SETSIZE

๏ CURL

๏ CURLMOPT_PUSHFUNCTION

๏ CURL_PUST_OK

๏ CURL_PUSH_DENY

๏ DataFiltering

๏ FILTER_FLAG_EMAIL_UNICODE

๏ JSON

๏ JSON_UNESCAPED_LINE_TERMINATORS

NEWGLOBALCONSTANTS(2)๏ PostgreSQL

๏ PGSQL_NOTICE_LAST

๏ PGSQL_NOTICE_ALL

๏ PGSQL_NOTICE_CLEAR

๏ SPL

๏ MT_RAND_PHP

NEWGLOBALCONSTANTS(3)๏ LDAP_OPT_X_SASL_NOCANON

๏ LDAP_OPT_X_SASL_USERNAME

๏ LDAP_OPT_X_TLS_CACERTDIR

๏ LDAP_OPT_X_TLS_CACERTFILE

๏ LDAP_OPT_X_TLS_CERTFILE

๏ LDAP_OPT_X_TLS_CIPHER_SUITE

๏ LDAP_OPT_X_TLS_KEYFILE

๏ LDAP_OPT_X_TLS_RANDOM_FILE

๏ LDAP_OPT_X_TLS_CRLCHECK

๏ LDAP_OPT_X_TLS_CRL_NONE

๏ LDAP_OPT_X_TLS_CRL_PEER

๏ LDAP_OPT_X_TLS_CRL_ALL

๏ LDAP_OPT_X_TLS_DHFILE

๏ LDAP_OPT_X_TLS_CRLFILE

๏ LDAP_OPT_X_TLS_PROTOCOL_MIN

๏ LDAP_OPT_X_TLS_PROTOCOL_SSL2

๏ LDAP_OPT_X_TLS_PROTOCOL_SSL3

๏ LDAP_OPT_X_TLS_PROTOCOL_TLS1_0



๏ LDAP_OPT_X_TLS_PACKAGE

๏ LDAP_OPT_X_KEEPALIVE_IDLE

๏ LDAP_OPT_X_KEEPALIVE_PROBES

๏ LDAP_OPT_X_KEEPALIVE_INTERVAL

BREAKINGBC

THESEMIGHTBREAKSTUFF๏ ThrowonpassingtoofewfuncFonarguments

๏ ForbiddynamiccallstoscopeintrospecFonfuncFons

๏ Invalidclass,interface,andtraitnames

๏ void

๏ iterable

๏ NumericalstringconversionsnowrespectscienFficnotaFon

๏ Fixestomt_rand()algorithm

๏ rand()aliasedtomt_rand()andsrand()aliasedtomt_srand()

๏ DisallowtheASCIIdeletecontrolcharacter(0x7F)inidenFfiers

๏ error_logchangeswithsyslogerrorvalues

THESEMIGHTBREAKSTUFF(2)๏ Donotcalldestructorsonincompleteobjects

๏ call_user_func()handlingofreferencearguments

๏ Theemptyindexoperatorisnotsupportedforstringsanymore

๏ $str[]=$xthrowsafatalerror

๏ RemovedinidirecFves

๏ session.entropy_file

๏ session.entropy_length

๏ session.hash_funcFon

๏ session.hash_bits_per_character

DEPRECATEDFEATURES

THESEARENOWDEPRECATED๏ ext/mcrypt

๏ EvalopFonformb_ereg_replace()andmb_eregi_replace()

CHANGEDFUNCTIONS

PHPCORE๏ getopt()hasanopFonalthirdparameterthatexposestheindexofthenextelementintheargumentvectorlisttobeprocessed.Thisisdoneviaaby-refparameter.

๏ getenv()nolongerrequiresitsparameter.IftheparameterisomiTed,thenthecurrentenvironmentvariableswillbereturnedasanassociaFvearray.

๏ get_headers()nowhasanaddiFonalparametertoenableforthepassingofcustomstreamcontexts.

๏ long2ip()nowalsoacceptsanintegerasaparameter.

๏ output_reset_rewrite_vars()nolongerresetssessionURLrewritevariables.

๏ parse_url()isnowmorerestricFveandsupportsRFC3986.

๏ unpack()nowacceptsanopFonalthirdparametertospecifytheoffsettobeginunpackingfrom.

OTHERCHANGEDFUNCTIONS๏ FileSystem

๏ tempnam()nowemitsanoFcewhenfallingbacktothesystem'stempdirectory.

๏ JSON

๏ json_encode()nowacceptsanewopFon,JSON_UNESCAPED_LINE_TERMINATORS,todisabletheescapingofU+2028andU+2029characterswhenJSON_UNESCAPED_UNICODEissupplied.

๏ MulTbyteString

๏ mb_ereg()nowrejectsillegalbytesequences.

๏ mb_ereg_replace()nowrejectsillegalbytesequences.

๏ PDO

๏ PDO::lastInsertId()forPostgreSQLwillnowtriggeranerrorwhennextvalhasnotbeencalledforthecurrentsession(thepostgresconnecFon).

POSTGRESQL๏ pg_last_noFce()nowacceptsanopFonalparametertospecifyanoperaFon.Thiscanbedonewithoneofthefollowingnewconstants:PGSQL_NOTICE_LAST,PGSQL_NOTICE_ALL,orPGSQL_NOTICE_CLEAR.

๏ pg_fetch_all()nowacceptsanopFonalsecondparametertospecifytheresulttype(similartothethirdparameterofpg_fetch_array()).

๏ pg_select()nowacceptsanopFonalfourthparametertospecifytheresulttype(similartothethirdparameterofpg_fetch_array()).

OTHERCHANGES

OTHERCHANGES๏ NoFcesandwarningsonarithmeFcwithinvalidstrings

๏ NewE_WARNINGandE_NOTICEerrorshavebeenintroducedwheninvalidstringsarecoercedusingoperatorsexpecFngnumbers

๏ E_NOTICEisemiTedwhenthestringbeginswithanumericvaluebutcontainstrailingnon-numericcharacters

๏ E_WARNINGisemiTedwhenthestringdoesnotcontainanumericvalue

๏ Warnonoctalescapesequenceoverflow

๏ Inconsistencyfixesto$this

๏ SessionIDgeneraFonwithouthashing


WHAT’SNEWINPHP7?




OTHERTHINGSTHATCHANGED๏ FuncFon“set_excepFon_handler()”isnolongerguaranteedtoreceiveExcepTonobjectsbutThrowableobjects

๏ ErrorreporFngE_STRICTnoFcesseveritychangesassomehavebeenchangedandwillnottriggeranerror

๏ Thedeprecated“set_socket_blocking()”aliashasbeenremovedinfavourof“stream_set_blocking()”

๏ SwitchstatementscannothavemulFpledefaultblocks

๏ FuncFonscannothavemulFpleparameterswiththesamename

๏ PHPfuncFons“func_get_arg()”and“func_get_args()”nowreturncurrentargumentvalues

PHP7PERFORMANCE

PERFORMANCEWORDPRESS

Source:ZendPHP7Infograph

http://www.zend.com/en/resources/php7_infographic

PERFORMANCEMAGENTO



PERFORMANCEWORDPRESS



PERFORMANCEFRAMEWORKS



PERFORMANCECRM



PERFORMANCECOMPARISONTOOTHERLANGUAGES



PERFORMANCEYIIFRAMEWORK

Source:caleblloyd.com

https://caleblloyd.com/software/yii2-php-7-performance/


WHAT’SNEWINPHP7?




DOMAINMODELS

DOMAINMODELS<?php namespace DragonBe\php7workshop;

class User { /** @var string $name The Name of the User */ protected $name; /** @var int $age The age of the User */ protected $age;

/** * User constructor. * * @param string $name The name of the User * @param int $age The age of the User */ public function __construct($name = '', $age = 0) { $this->setName($name) ->setAge($age); }

/** * Sets the name of the User * * @param string $name The name of the User * @return User */ public function setName($name) { $this->name = (string) $name; return $this; }

/** * Retrieve the name of the User * * @return string */ public function getName() { return $this->name; }

/** * Sets the age of the User * * @param int $age * @return User */ public function setAge($age) { $this->age = (int) $age; return $this; }

/** * Retrieve the age of the User * @return int */ public function getAge() { return $this->age; } }

DOMAINMODELS(CONT.)<?php namespace DragonBe\php7workshop;

class User { /** @var string $name The Name of the User */ protected $name; /** @var int $age The age of the User */ protected $age;

/** * User constructor. * * @param string $name The name of the User * @param int $age The age of the User * @throws \TypeError */ public function __construct(string $name = '', int $age = 0) { $this->setName($name) ->setAge($age); } }

DOMAINMODELS(CONT.) /** * Sets the name of the User * * @param string $name The name of the User * @return User */ public function setName(string $name): User { $this->name = $name; return $this; }

/** * Retrieve the name of the User * * @return string */ public function getName(): string { return $this->name; }

/** * Sets the age of the User * * @param int $age * @return User */ public function setAge(int $age): User { $this->age = $age; return $this; }

/** * Retrieve the age of the User * @return int */ public function getAge(): int { return $this->age; }

DOMAINMODELS(CONT.)<?php declare(strict_types=1);

require_once __DIR__ . '/User.php';

use \DragonBe\php7workshop\User;

$user = new User('michelangelo', '39'); var_dump($user);

MYSQLEXTENSION

S/MYSQL_/MYSQLI_๏ Onbashyoucouldgrep -r mysql_ *inyourproject’srootdirectorytodiscoverfilessFllusingoldmysqlelements

๏ UseyourIDEandsearchfor“mysql_”

๏ MostoftheFmeyoucanjustreplace“mysql_”with“mysqli_”

INCOMPATIBLEMYSQL_FUNC.๏ mysql_client_encoding()

๏ mysql_list_dbs()(useSHOWDATABASESquery)

๏ mysql_db_name()

๏ mysql_list_fields()

๏ mysql_db_query()

๏ mysql_list_processes()(useSHOWPROCESSLISTquery)

๏ mysql_dbname()

๏ mysql_list_tables()(useSHOWTABLESquery)

๏ mysql_field_flags()

๏ mysql_listdbs()(useSHOWDATABASESquery)

๏ mysql_field_len()

๏ mysql_lisWields()

๏ mysql_field_name()

๏ mysql_lisTables()(useSHOWTABLESquery)

๏ mysql_field_table()

๏ mysql_numfields()

๏ mysql_field_type()

๏ mysql_numrows()(usemysqli_num_rows()instead)

๏ mysql_fieldflags()

๏ mysql_pconnect()(appendp:tothehostnamepassedtomysqli_connect())

๏ mysql_fieldlen()

๏ mysql_result()๏ mysql_fieldname()

๏ mysql_selectdb()(usemysqli_select_db()instead)

๏ mysql_fieldtable()

๏ mysql_table_name()

๏ mysql_fieldtype()

๏ mysql_tablename()

๏ mysql_freeresult()(usemysqli_free_result()instead)

๏ mysql_unbuffered_query()

USEPDO!PHP.NET/PDO

http://php.net/pdo


WHAT’SNEWINPHP7?




YOUR1-STOPSOURCEPHP.NET/MANUAL/EN/MIGRATION70.PHP

http://php.net/manual/en/migration70.php

RECOMMENDEDREADINGIN2.SE/PHP7BOOK

http://in2.se/php7book

PHPCHEATSHEETSPHPCHEATSHEETS.COM

http://phpcheatsheets.com

NOWREADYFORPHP7ANDMORECOMING…

YOURPROJECTS…TIMETOUPGRADE

in it2PROFESSIONAL PHP SERVICES

Thank you!Slides at in2.se/hd-php7

[email protected] - www.in2it.be - T in2itvof - F in2itvof

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29c51

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Getting hands dirty with php7

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