The Zen of Using PHP without Zend Server...w PHP can be called from CL and RPG too! w Often software...

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The Zen of PHP without Zend Server Alan Seiden Richard Schoen

Transcript of The Zen of Using PHP without Zend Server...w PHP can be called from CL and RPG too! w Often software...

Page 1: The Zen of Using PHP without Zend Server...w PHP can be called from CL and RPG too! w Often software development kits (SDKs) were written in PHP w Easy to get started w Still control

The Zen of PHP without Zend Server AlanSeidenRichardSchoen

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Principal,SeidenGroupMentorsCIOs&developmentteamsDelivermoderntechnicalsolutions

OpenSourceAdvocateCo-developerofPHPToolkitforIBMiFounderofClubSeidencommunity

Host/Sponsor,CIOSummit

Alan Seiden

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Owner,MobiGoGoFormerowner,RJSSoftwareSystemsInnovatorinIBMisolutions(30+years)MemberofSeidenGroupSrSolutionsConsultant-Pegasystems

BuilderDeveloperofiForgitIBMigitclientIBMi,Windows,LinuxDeveloperMobileAppDeveloperRPG,CL,C#,VB,Node,PHP,Python,Java,HTML,CSS,etc.

Richard Schoen

[email protected]

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DevelopwebandmobileapplicationsSupportCommunityPHP

TroubleshootthetoughestissuesTraindevelopersinopensource&IBMi

PHPAPIsGit

Node.jsDb2Python

Open Source Experts

seidengroup.com

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Why PHP?

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w  PHPhasbeenpivotalinbringingwebapplicationstoIBMi

w  Opensourceapplications:CMSes,eCommercew  MantisBugTrackerwasanoldiebutgoodie

w  Award-winningapplicationsacrossallindustriesw  ContinuetoaccessyourDb2data,RPGcode,andmorew  PHPToolkithelpedcompatibilityandintegrationw  WebservicesandAPIs

w  FirsttasteofcallingexternalAPIsfromIBMiw  Creditcardpayments… Salesforce…manymore

w  Convertinggreenscreenstoweb

w  Communityandconferencesites

w  Blogsw  Wordpress..beyondblogs..StarWarssite,

more!

Web apps and APIs

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w  PHPcanbecalledfromCLandRPGtoo!w  Oftensoftwaredevelopmentkits(SDKs)werewritteninPHPw  Easytogetstartedw  StillcontrolflowfromtraditionalRPGw  UsenewPHPpowertoaccessAPIsandotherfunctionality,create

spreadsheets,graphics,etc.

w  PHPhasalwayscontainedallthebasicstoservewebpagesandaccessAPIsw  SOAPinthebeginning,RESTnow

w Millionsofusers;presentonallwebhosts

w  HelpedmaketheIBMimoremainstream

Use PHP from RPG, CL, etc.

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w  2004:AlanneededPHPoni5!w  i5php.net—RobWard’ssitew  IncludedODBCbutwasmissingmail()function!

w  2006:ZendCore—IBMshippedinitsDVDsw  ZendPlatformpaidadd-on

w  2008-9ZendServerw  No-costOSS+adminpages+paidadd-onsbundledw  Basic/Professional/Enterpriselicenses

w  2019:CommunityPHPw  RPM-basedw  IncludesODBCagain

PHP on IBM i timeline

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w  ZendServerBasiclicensewithdrawnbyJune2021

w  PHPiswidespreadonIBMi

w  Ano-chargeoptionisstillneeded

w  RPM-basedPHPtotherescue!w  LaunchedbyIBMandZend(Perforce)w  Canbeadapted/enhancedw  Itworkswell

w  StillanoptiontopayforZendServerProfessionalandEnterprise

w  GiveRPMsatryforlicense-freePHP

PHP in 2020-2021

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Why RPM your PHP?

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w Minutesinsteadofhours

w  NolaboriousFTP’ing,unzipping,SAVF,nohours-longinstallation

w  Industry-standardYumcommandw  SameasotherIBMiopensourcethesedaysw  Under/QOpenSysw  The“coolkids”likeit!

w  Quickupgrades,toow  Yum update

w  Gainevenmorespeedbyautomating/scriptingtheinstallation

Quick installation

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w  ChooseApacheornginx

w  YourexistingApacheandFastCGIconfigsstillwork!

w Multiplewebserverinstancesfordifferentworkloads

w  TestinparallelwithexistingZendServer

w  Couldinstallmultipleversionsviachroot

Flexible installation

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w  RPMPHPis64-bit,whileZendServerisstill32-bitw  (asofMay2020)

w Whatdoesthatmean?

w Moredatawithouterrors(nomorememorydumperrors)

w  Good-bye,“LDR_CNTRL”memoryhack!

More bits = more data!

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w  PHP7wasalreadyfast

w  PHP7withRPMsisevenfasterw  ACPUtypebenchmarktestIranshowed0.11secondsinsteadofZendServer0.31seconds

w  Thatwasn’tarealisticdatabase-typetest,butwasagreatstart!

w  Lighterdistributionisquickertostartup,toow  EspeciallyPHP-CLIcalledfromCL,RPG,etc.

Improved performance

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w  AlthoughCommunityPHPismissingsomeoftheextensionsthatwerebundledinZendServer….

w  “Wecanrebuildthem!”

w  Severalpopularonesw  Ibm_db2w  Ldapw  Imagemagickw  Implementingmail()withsendmail

w  IBMhasdoneagreatjobinbuildinginfrastructuretoletusaddtheextensionswewantandneed

This PHP is open and flexible

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On PHP 7 Yet?

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w  SpurredbycompetitionwithFacebook’s“Hack”

w  Noticeablespeeduponlargesites—pages“pop”

PHP 7’s Faster than PHP 5.x

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w  Newfeatures:w  https://www.php.net/manual/en/migration70.new-features.php

w  Codechangesrequired?Long-deprecatedfunctionsremovedw  https://wiki.php.net/rfc/remove_deprecated_functionality_in_php7w  OldMySQLcodeusingthemysql_*functionsshouldbeupdatedtomysqli_*(“IMySQLImproved”)orPDO

w  Oldregularexpressionsyntax“ereg()”wasremovedw  https://www.scriptarticle.com/function-ereg-is-deprecated-in-php-5-3-x/

What else about PHP 7?

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w  Yourcodeshould“justwork”withafewexceptionsw  https://www.seidengroup.com/2017/07/24/resources-for-upgrading-to-php-7-on-ibm-i/

w  RPMupgradetoPHP7isthesameexceptusethepath/QOpenSys/pkgs/bin/php

w  Check/usr/local/zendsvr6/var/log/php.logfordeprecationnoticesw  Testyourcodewithhttps://github.com/Alexia/php7mar

w  PHP7canruninparallelwitholderversionssuchasPHP5.6w  (IfyoufindPHP6,letusknow!J)

Upgrading from PHP 5.6 to PHP 7

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Simple Speed Test Script (SSTS) <?php

// homemade profiler using microtime(true), current time in seconds

$start = microtime( true );

for ($i=0 ; $i<1000000 ; $i++) {

serialize($i);

}

$end = microtime( true );

$duration = $end - $start;

echo "Took " . $duration . " seconds.\n";

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PHP 5.6 vs 7.3 $start = microtime( true );

for ($i=0 ; $i<1000000 ; $i++) {

serialize($i);

}

$end = microtime( true );

$duration = $end - $start;

echo "Took " . $duration . " seconds.\n";

RunfromCALLQP2TERMorSSHterminalcd /www/myserver/htdocs [location of speedtest.php]

1.  /usr/local/zendsvr6/bin/php –n speedtest.php “Took 0.37887215614319 seconds.” (PHP 5.6.18)

2.  /usr/local/zendphp7/bin/php –n speedtest.php “Took 0.30699110031128 seconds.” (PHP 7.3.11)

3.  /QOpenSys/pkgs/bin/php –n speedtest.php “Took [really short/quick time; but it’s a narrow, made-up benchmark] seconds” (PHP 7.3.17)

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Let’s Install PHP!

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w  ToinstallCommunityPHPwithODBC,weliketheseinstructionsfromKingHarrison(K3S):w  https://odbcphp.k3s.com/

w WerecommendSSHtogetintoPASEw  STRTCPSVR*SSHDw  Industry-standard:youryoungerdeveloperswillthankyou(installthebashshellforthem!)w  (Inbash,theup-arrowkeyworkslikeF9tobringbackpriorcommands)

w  OpensourcesoftwareworksbetterinSSHthaninQP2TERMorQSH

Install PHP using Yum

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w  FollowtheK3SinstructionstomakesureYumandtheOpenSourcePackageManagementwindowofACSaresetupw  https://www.ibm.com/support/pages/getting-started-open-source-package-management-ibm-i-acs

w  AddtheCommunityPHPrepositorytoyourIBMi’sYum/RPMenvironmentw  yum-config-manager--add-repohttp://repos.zend.com/ibmiphp/w  (Orothernon-IBMrepoyouneedtoadd)w  Youcouldevencreateyourownrepositoryw  Forexample,wemaintainourown“repos”containingadditionalRPM-

basedmodules

Getting Yum ready

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Open Source Package Management

w  IBMisshserverservicemustberunningonport22

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Open Source Package Management (ACS)

w  LoginwithaQSECOFRor*ALLOBJleveluser

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Open Source Package Management

w  Youmayreceivetheseprompts.JustsayYes!

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Open Source Package Management

w  Allisworkingifyouseelistofpackages!

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w  Theyumcommand:w  Yum install php-* w  TIP:Youruserprofilemusthave*ALLOBJtoinstallviaYum

w MorefromtheK3Ssetupdocumentw  SetupApacheorNginxwebserverw  YoucancontinuetouseyourexistingApacheinstancesthatZendServer

createdw  SetupODBCforDb2accessrunningonIBMiw  HowtouseODBCtoconnectfromaLinuxorWindowscomputertotheIBMiaswell!

w  TipsforusingthePHPToolkit(XMLSERVICE)

Install PHP using Yum (continued)

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w  FastCGIprestartsPHPjobstohandlewebworkloads

w Minimalcontentsoffastcgi.conf(in/www/myserver/conf/):w  Server type="application/x-httpd-php" CommandLine="/QOpenSys/pkgs/bin/php-cgi" StartProcesses="1"

w  Additional/optionalkeystoincludeinfastcgi.conf:w  HowmanyPHPjobstostartw  SetEnv="PHP_FCGI_CHILDREN=20"

w  Howlongtowaitbeforea408timeoutw  RequestTimeout="60"

FastCGI configuration

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# fastcgi.conf Server type="application/x-httpd-php" CommandLine="/QopenSys/pkgs/bin/php-cgi" StartProcesses="1" SetEnv="LIBPATH=/QOpenSys/pkgs/lib" SetEnv="PHPRC=/QOpenSys/etc/" SetEnv="PHP_FCGI_CHILDREN=20" SetEnv="PHP_FCGI_MAX_REQUESTS=0" ConnectionTimeout="30" RequestTimeout="60" SetEnv="CCSID=1208" SetEnv="LANG=C”

w  PHP_FCGI_CHILDRENw  MaxnumberofPHPjobsneededatonetimew  Defaultof10islow.Try20,30,40,50,andtest.w  WerunamonitortotrackhowmanyPHPjobsareusedatatime.

w  RequestTimeoutw  SecondsbeforeFastCGIreturnsanHTTP408errorw  Considersettingupmultiplewebserverinstancestohandlevaryingworkloads(slowvs.fast)

Enabling and optimizing FastCGI—Details

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w  nginxwebserverw  FlexiblewebserveralternativetoApachew  Fullopensource--notcoveredbySWMAasApacheis,butyoucouldbuyIBMTSSsupportifneeded

w  Allowsautomatedsetup,includingofSSL(noDCM)w  NginxworkswellwithalternateFastCGIcalledphp-fpm

w  Php.inisettingsw  EditdirectlyinthePhp.inifileusingEDTForyourfavoriteeditororvimJ

w  date.timezonew  https://www.php.net/manual/en/timezones.phpw  date.timezone = America/New_York

Other options

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ODBC is Back!

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History of Open Source Connectivity

w  Before,IBMbuiltcustommiddlewareforeachlangfortheCLI.ProwascouldcustomizeforIBMiandDb2.ProblemsinCLIthough.

w  Db2ConnectproductallowedsamecodeLUWandIBMi.“WanttocodeonPC/laptopandthenrunonIBMi.”LocaldebuggingwithfavoriteIDE.Twoversionsofcode:ODBCfreeorpay/configDb2Connect.

w  Opensourceontheriseandtotherescue,unixODBCdriver.WasonWindowsandLinuxbutnotIBMi.Neededdb2driverunderneaththatworkedinPASE.

w  NOWODBConIBMi.MakingIBMiworkasmainstreamaspossible.Genericconnector!Don’tneedtocreatespecialversionsanymore.w  FrameworksthathaveODBCcanworknow.w  YoumaydeveloponPC,thendeploytoIBMi

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ODBC Architecture IBMi

IBMiDB2Database

unixODBCDriverManager

IBMiAccessODBCDriver

OPM/ILEAppsRPG,CL,COBOL

PASEApps

PHP,Python,Node

RemoteIBMiDB2Database

Windows,Linux,MacandnativeIBMiDeveloperscanuseexactsamecodebasewithnochanges

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Install ODBC Yum Package Prerequisites

w  Installyum

w  Installwget

w  Installrpminstalled

w  InstallunixODC

w  InstallunixODBC-devel

w WewilluserpmcommandwhenweinstalltheIBMiAccessODBCdriver

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Download IBM i PASE ODBC Driver

w  IBMiAccessClientSolutionsSite:https://www.ibm.com/support/pages/ibm-i-access-client-solutions**Note:YouwillneedanIBMaccounttologinanddownload

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Download IBM i PASE ODBC Driver

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Upload IBM i Access PASE ODBC Driver

w  Unzipibm-iaccess-1.1.0.xx-0.ibmi7.2.ppc64.rpmfromIBMiAccess_v1r1_PASE_AP.zip

w  Uploadibm-iaccess-1.1.0.xx-0.ibmi7.2.ppc64.rpmtoIFSrootdiras:/ibm-iaccess-1.1.0.xx-0.ibmi7.2.ppc64.rpmusingyourfavoritefiletransfertool.

w  Note:“xx”aboveisfileversionnumberinyourdownload.AsofMay2020,itwas“14”.

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Install IBM i Access PASE ODBC Driver

w  StartQshell(STRQSH),PASE(CALLQP2TERM)or(BEST)sshterminalsessionusingputty,MobaXterm,MacTerminal,orothersshterminalclient

w  RuncommandlistbelowtoinstalltheIBMiAccessODBCdriver

w  cd/PATH=/QOpenSys/pkgs/binexportPATH

rpm-iibm-iaccess-1.1.0.xx-0.ibmi7.2.ppc64.rpm

w  Onceinstallhascompletedyouwillbenotifiedonthecommandline.

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Check for Default ODBC Data Source

w  Fromyourterminal(again,SSHisbest)

w  RuncommandlistbelowtolisttheIBMiAccessODBCdriverdefaultsfromodbc.ini

w  cd/QOpenSys/etc

catodbc.ini

w  Catcommanddisplayscontentsofodbc.ini

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Check for Default ODBC Data Source

w  Contentsofdefaultodbc.inifile

w  YoushouldbeabletoconnecttootherIBMisystems

w  ChangelocalhosttoothersystemhostnameorIPaddress

w  UsePassword

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Potential PTFs Needed

w  PTFneededfor*CURRENTusertoworkwithoutpasswordw  7.2:SI68113w  7.3:SI69058w  7.4:(noneneeded;comeswiththeoperatingsystem)

w  *CURRENTonlyworksonlocalhostsystem(samepartitionasyourcode)

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First ODBC Connections

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isql command line

w  TypeisqlandpressEnter

w  Showscommandlineoptions

w  Optiondetails:w  https://www.mankier.com/1/isql

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Connecting to DB2 via ODBC

w  Type:isql*LOCAL–vandpressEnter

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Running a Query Test

w  Type:select*fromqiws.qcustcdtandpressEnter

w Whendone,typequitandpressEntertoexitisql

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Your PHP on ODBC

<?php

$connection = odbc_connect('*LOCAL', '', ’');

$stmt = odbc_exec($connection, 'select * from QIWS.QCUSTCDT');

while ($row = odbc_fetch_array($stmt)) {

print_r($row);

}

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It works! <?php

$connection = odbc_connect('*LOCAL', '', ’');

$stmt = odbc_exec($connection, 'select * from QIWS.QCUSTCDT');

while ($row = odbc_fetch_array($stmt)) {

print_r($row);

}

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Optimizing ODBC

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w  PrestartjobsnamedQZDASOINITruninQUSRWRK

w  Checkoutcurrentconfiguration:w  DSPSBSDSBSD(qusrwrk)w  Thenchoose10,Prestartjobentriesw  Type5nexttoQZDASOINIT

w  Defaultsareverylow.w  Initialjobs=1,threshold=1,adljobs=2

w  Configureasneeded:CHGPJE SBSD(QSYS/QUSRWRK) PGM(QSYS/QZDASOINIT) STRJOBS(*YES) INLJOBS(xx) THRESHOLD(xx) ADLJOBS(xx)

Configure ODBC Prestart Jobs

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w  DSPACTPJSBS(QSYSWRK)PGM(QSQSRVR)[ibm_db2]

w  DSPACTPJSBS(QUSRWRK)PGM(QZDASOINIT)[odbc]

Display Prestart Job Usage Statistics

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Choose an IDE

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w  Eclipse-basedIDEsw  NetBeansw  https://netbeans.org

w  ZendStudiow  https://store.zend.com/zend-studio-for-ibm-i-basicw  (formerlyfreeforIBMi,nowpaid)

w MicrosoftVisualStudioandVSCodew  https://code.visualstudio.com/docs/languages/phpw  TIP:InstallSSHplugin(https://code.visualstudio.com/docs/remote/ssh)

w  PHPStorm(https://www.jetbrains.com/phpstorm)w  Paidproductforpowerusers(Seidendevelopers’fave)

Editors, editors, editors! And more!

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Debugging techniques

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w  Var_dump()anderror_log()aregreatbutlimited

w  Xdebugw  https://xdebug.org/w  Industry-standardfamousPHPextensionw  Single-stepdebugger,includingremotedebugging(ontheIBMi),stacktraces,andmore

w  IDEdebuggersw  NearlyIDEshavedebugging.Examples:w  VSCode:https://marketplace.visualstudio.com/items?

itemName=felixfbecker.php-debugw  PHPStormwithxdebug:https://www.jetbrains.com/help/phpstorm/

debugging-with-phpstorm-ultimate-guide.htmlw  VisualStudioPHPTools

Interactive debugging with PHP

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Let’s Code!

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w Seewhereourimaginationstakeus!

Live coding session with Richard

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Support Options

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w  Communitysupportoptionsw  GetPHPversionupdatesfromCommunityPHPrepositoryw  Ryver(https://ibmioss.ryver.com)w  IBMiOSSmidrange.comlist(https://archive.midrange.com/opensource)

w  Paidsupportoptions(includingbreak/fix)w  Perforce(Zend)w  Break/fix+extras+tools

w  Seidenw  Migrationhelp+break/fix+tools+repoofextensions(e.g.ibm_db2)

w  IBM(TSS)w  Break/fix

w  Theremaybeothers–Letusknow

How is RPM PHP Supported?

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AlanSeidenSeidenGroupHo-Ho-Kus,[email protected]:@alanseidenStayinTouch:seidengroup.com/tips

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Contact | Stay in Touch


2014 austin-api-sdks-are-apis-too

2014 austin-api-sdks-are-apis-too

BIOMETRICS SOFTWARE...BIOMETRICS SOFTWARE SDKs, Controls, and Applets for Enrollment Applications for Enrollment and Analysis Biometric Search and Match SDKs Text Search and Identity

BIOMETRICS SOFTWARE...BIOMETRICS SOFTWARE SDKs, Controls, and Applets for Enrollment Applications for Enrollment and Analysis Biometric Search and Match SDKs Text Search and Identity

Augmented Reality SDKs And Augmented Commerce

Augmented Reality SDKs And Augmented Commerce

HKG15-301: OVS implemented via ODP & vendor SDKs

HKG15-301: OVS implemented via ODP & vendor SDKs

ArcGIS Runtime SDKs: Using QML to Build Native Cross-Platform …proceedings.esri.com/library/userconf/devsummit-dc16/... · 2016. 3. 7. · Title: ArcGIS Runtime SDKs: Using QML

ArcGIS Runtime SDKs: Using QML to Build Native Cross-Platform …proceedings.esri.com/library/userconf/devsummit-dc16/... · 2016. 3. 7. · Title: ArcGIS Runtime SDKs: Using QML

Cache'owanie danych w PHP

Cache'owanie danych w PHP

Open Hack NYC Yahoo Social SDKs

Open Hack NYC Yahoo Social SDKs

What s Pocket.f nance?The SDKs are available for Java, Php, .Net, Node.JS languages Pocket.f!nance S!decar. 3XVK%DVHG 3D\PHQW5HTXHVW 3RFNHW I QDQFHPDNHVEX\ QJHDV\Z ... we achieve safe,

What s Pocket.f nance?The SDKs are available for Java, Php, .Net, Node.JS languages Pocket.f!nance S!decar. 3XVK%DVHG 3D\PHQW5HTXHVW 3RFNHW I QDQFHPDNHVEX\ QJHDV\Z ... we achieve safe,

The Periodic Table of App Data SDKs

The Periodic Table of App Data SDKs

Getting Started with AWS IoT, Devices & SDKs

Getting Started with AWS IoT, Devices & SDKs

ArcGIS Runtime SDKs - Recent Proceedingsproceedings.esri.com/library/userconf/devsummit15/papers/dev_int... · ArcGIS Runtime SDKs: ... build high performance ArcGIS Runtime Apps.

ArcGIS Runtime SDKs - Recent Proceedingsproceedings.esri.com/library/userconf/devsummit15/papers/dev_int... · ArcGIS Runtime SDKs: ... build high performance ArcGIS Runtime Apps.

The World’s Leading Label & RFID Software · Examples.pdf BarTender .NET SDKs Before the BarTender .NET SDKs became available, the only way to programmatically control BarTender

The World’s Leading Label & RFID Software · Examples.pdf BarTender .NET SDKs Before the BarTender .NET SDKs became available, the only way to programmatically control BarTender

SER1912BE VMware Open-Source SDKs From Getting … · VMware Open-Source SDKs From Getting Started to Web App in ... •Demo –vSphere REST APIs and vSphere Automation SDKs ... Introduction

SER1912BE VMware Open-Source SDKs From Getting … · VMware Open-Source SDKs From Getting Started to Web App in ... •Demo –vSphere REST APIs and vSphere Automation SDKs ... Introduction

AnalyticsintheCloudfromAWS - USGIF...Mobile"Hub AWS"Mgmt" Console Command" Line"Interface Interaction Libraries&and&SDKs Java Javascript Python (boto) PHP .NET Ruby Node.js iOS Android

AnalyticsintheCloudfromAWS - USGIF...Mobile"Hub AWS"Mgmt" Console Command" Line"Interface Interaction Libraries&and&SDKs Java Javascript Python (boto) PHP .NET Ruby Node.js iOS Android

Queue Data Structure (w/ php egs)

Queue Data Structure (w/ php egs)

Bosch VMS SDKs Technical Service Note All 9410373771

Bosch VMS SDKs Technical Service Note All 9410373771

Creating a Great Developer Experience Through SDKs

Creating a Great Developer Experience Through SDKs

KEYOS MULTIPLAY SDK TM - buydrm.com...keyos multiplay sdks multi-feature drm player sdks for android and ios keyos multiplay sdks ... • google widevine • apple fairplay devices

KEYOS MULTIPLAY SDK TM - buydrm.com...keyos multiplay sdks multi-feature drm player sdks for android and ios keyos multiplay sdks ... • google widevine • apple fairplay devices

How Mobile SDKs Help You

How Mobile SDKs Help You

ArcGIS Runtime SDKs: Building Offline Apps, Part IIproceedings.esri.com/library/userconf/devsummit15/papers/dev_int...the ArcGIS Runtime SDKs – Part 2. ... Android. Windows . Phone.

ArcGIS Runtime SDKs: Building Offline Apps, Part IIproceedings.esri.com/library/userconf/devsummit15/papers/dev_int...the ArcGIS Runtime SDKs – Part 2. ... Android. Windows . Phone.