The general talk was about using extensions for symfony2 and doctrine2 to increase productivity and simplify daily tasks. These slides mainly introduce the best features of extensions.

1. WHO'S TALKING?
Gediminas Morkevičius aka @l3pp4rd
I code with - PHP, Go, JavaScript, C
I'm an open-source geek - ViM, Arch Linux, DWM user
And I share my stuff github.com/l3pp4rd

2. SYMFONYCON WARSAW 2013
INCREASE PRODUCTIVITY WITH
DOCTRINE2 BEHAVIORAL EXTENSIONS

3. SOME HISTORY
The initial commit 2010-09-03 MIT licensed
Maintained ever since
Purpose - provide common model behaviors
Derive metadata mapping and caching technics
Be a framework independent library

4. AN EXAMPLE
<pp
?h
nmsaeEtt;
aepc niy
ueGdoMpigAntto a Gdo
s emapnnoain s em;
ueDcrnRapn a OM
s otieOMMpig s R;
/*
*
*@Rniy
OMEtt
*@emoteeebefedae"eeeA"
GdoSfDltal(ilNm=dltdt)
*
/
casPout
ls rdc
{
/*
*
*@emrnltbe
GdoTasaal
*@Rounlnt=4
OMClm(egh6)
*
/
piae$il;
rvt tte
/*
*
*@emlgfed="il",udtbefle
GdoSu(ils{tte} paal=as)
*@Rounlnt=4 uiu=re
OMClm(egh6, nqetu)
*
/
piae$lg
rvt su;
/*
*
*@emietmal(n"rae)
GdoTmsapbeo=cet"
*@Rountp=dttm"
OMClm(ye"aeie)
*
/
piae$raeA;
rvt cetdt
/*
*

5. HOW EXTENSIONS WORK?

6. SLUGGABLE
Transforms fields into an url friendly slug. Ensures
uniqueness if required.
/*
*
*@emlgfed="oe,"il",sprtr"" sye"ae"
GdoSu(ils{cd" tte} eaao=-, tl=cml)
*@Rounlnt=4 uiu=re
OMClm(egh6, nqetu)
*
/
piae$lg
rvt su;
Default transliterator transforms utf-8 characters to their
ASCII equivalent

7. TRANSLATABLE
/*
*
*@emrnltbe
GdoTasaal
*@Rounlnt=4
OMClm(egh6)
*
/
piae$il;
rvt tte
/*
*
*@emrnltbe
GdoTasaal
*@Rountp=tx" nlal=re
OMClm(ye"et, ulbetu)
*
/
piae$ecito;
rvt dsrpin
Can link to a specific entity for translations. That would allow
to use a direct foreign key constraint and optimize for better
performance

8. By default, puts all translations into a single translation
table. It is not performance wise. Uses locale from listener.

9. TRANSLATION QUERY HINTS
$ur =$m>raeur(SLC pFO Ettrdc pODRB ptte)
qey
e-cetQey"EET
RM niyPout
RE Y .il";
$ur-stit
qey>eHn(
DcrnRur:HN_UTMOTU_AKR
otieOMQey:ITCSO_UPTWLE,
'emrnltbeQeyTeWlernltoWle'
GdoTasaalurreakrTasainakr
)
;
$ur-stitTasaalLsee:HN_RNLTBELCL,'e)
qey>eHn(rnltbeitnr:ITTASAAL_OAE d';
$erdcs=$ur-gteut)
dPout
qey>eRsl(;
arywl(dPout,fnto(niyPout$){
ra_ak$erdcs ucinEttrdc p
eh "o <$-gtil(} wt dsrpin<$-gtecito(}"
co Gt {p>eTte)> ih ecito {p>eDsrpin)>n;
};
)
/ Gt<pe>wt dsrpin<rct>
/ o Äfl ih ecito Fühe
/ Gt<rue>wt dsrpin<rct>
/ o Tabn ih ecito Fühe

10. TIMESTAMPABLE
Sets timestamps for you. Derived extensions: IpTraceable,
Blameable
/*
*
*@emietmal(n"rae)
GdoTmsapbeo=cet"
*@Rountp=dttm"
OMClm(ye"aeie)
*
/
piae$raeA;
rvt cetdt
/*
*
*@emietmal(n"pae)
GdoTmsapbeo=udt"
*@Rountp=dttm"
OMClm(ye"aeie)
*
/
piae$paeA;
rvt udtdt
/*
*
*@emietmal(n"hne,fed"ttscd" vle1
GdoTmsapbeo=cag" il=sau.oe, au=)
*@Rountp=dttm" nlal=re
OMClm(ye"aeie, ulbetu)
*
/
piae$ulseA;
rvt pbihdt

11. SORTABLE
Tracks sorting position on your entity
/*
*
*@emotbeoiin
GdoSralPsto
*@Rountp=itgr)
OMClm(ye"nee"
*
/
piae$oiin
rvt psto;
/*
*
*@emotberu
GdoSralGop
*@Rayon(agtniy"aeoy)
OMMnTOetreEtt=Ctgr"
*
/
piae$aeoy
rvt ctgr;

12. SOFTDELETEABLE
Softly removes your entities, so they get filtered out
afterwards, but maintain in the database.
/*
*
*@emoteeebefedae"eeeA"
GdoSfDltal(ilNm=dltdt)
*@Rniy
OMEtt
*
/
casPout
ls rdc
{
/*
*
*@Rounlnt=4
OMClm(egh6)
*
/
piae$il;
rvt tte
/*
*
*@Rountp=dttm" nlal=re
OMClm(ye"aeie, ulbetu)
*
/
piae$eeeA;
rvt dltdt
}
/..
/.

13. Given the actions are performed:
$0=nwEttrdc;
p
e niyPout
$0>eTte'ilb sfdltd)
p-stil(Wl e oteee';
$1=nwEttrdc;
p
e niyPout
$1>eTte'rlyscesu pout)
p-stil(Tul ucsfl rdc';
$m>ess(p)
e-prit$0;
$m>ess(p)
e-prit$1;
$m>ls(;
e-fuh)
/ a sm pit pouti rmvd
/ t oe on, rdc s eoe
$m>eoe$0;
e-rmv(p)
$m>ls(;
e-fuh)
eh cut$m>eRpstr(Ettrdc'-fnAl);
co on(e-gteoioy'niyPout)>idl()
/ rsl i:1
/ eut s

14. NESTED-SET TREE
Manages your entity as Nested-Set strategy based tree.
<pp
?h
nmsaeEtt;
aepc niy
ueGdoMpigAntto a Gdo
s emapnnoain s em;
ueDcrnRapn a OM
s otieOMMpig s R;
/*
*
*@emretp=nse"
GdoTe(ye"etd)
*@RniyrpstrCas"emreEtteoioyNseTeRpstr"
OMEtt(eoioyls=GdoTeniyRpstretdreeoioy)
*
/
casCtgr
ls aeoy
{
/*
*
*@Rountp=itgr)
OMClm(ye"nee"
*@Rd
OMI
*@ReeaeVle
OMGnrtdau
*
/
piae$d
rvt i;
/*
*
*@Rounlnt=4
OMClm(egh6)
*
/
piae$il;
rvt tte
/*
*
*@emreet
GdoTeLf
*@Rountp=itgr)
OMClm(ye"nee"
*
/

15. How the tree looks in database:

16. How to keep your tree records secure from getting
compromised during concurrent requests?
Given we have entities:
/*
*
*@Rniy
OMEtt
*
/
casOgnsto {*.*}
ls raiain /../
/*
*
*@emretp=nse"
GdoTe(ye"etd)
*@RniyrpstrCas"emreEtteoioyNseTeRpstr"
OMEtt(eoioyls=GdoTeniyRpstretdreeoioy)
*
/
casPoet
ls rjc
{
/*
*
*@Rayon(agtniy"raiain)
OMMnTOetreEtt=Ognsto"
*@RonounrfrneClmNm=i" nlal=as)
OMJiClm(eeecdounae"d, ulbefle
*
/
piae$raiain
rvt ognsto;
}
/../
*.*

17. On every request when you move, insert Project you have a
hard relation Organisation. Meaning, you have to select the
specific organisation in order to update the tree.
ueDcrnBLLcMd;
s otieDAokoe
$on=$m>eCneto(;
cn
e-gtoncin)
/ sattascin
/ tr rnato
$on>eiTascin)
cn-bgnrnato(;
ty{
r
/ slcsognsto frudt -lcsi fray
/ eet raiain o pae
ok t o n
/ ra/rt atmt utlti tascined
/ edwie teps ni hs rnato ns
$r =$m>id"niyOgnsto" $rI,LcMd:PSIITCWIE;
og
e-fn(Ettraiain, ogd okoe:ESMSI_RT)
/ cet anwctgr
/ rae
e aeoy
$uPoet=nwPoet
sbrjc
e rjc;
$uPoet>eTte$PS[tte];
sbrjc-stil(_OT"il")
$uPoet>eOgnsto(og;
sbrjc-straiain$r)
$aetrjc =$m>id"niyPoet,$PS[prn_d];
prnPoet
e-fn(Ettrjc" _OT"aeti")
/ pritadfuh
/ ess n ls
$m>eRpstr(Ettrjc"
e-gteoioy"niyPoet)
-pritsisCidf$uPoet $aetrjc)
>essAFrthlO(sbrjc, prnPoet;
$m>ls(;
e-fuh)
$on>omt)
cn-cmi(;
}cth(Ecpin$){
ac xeto e
$on>olak)
cn-rlbc(;
trw$;
ho e
}

18. Read more about available locking mechanisms supported
by database you are using, some references:
Transactions and concurrency on Doctrine2 website
Locking reads on MySQL 5.5 manual page
Any actions which does atomic operations needs to be
secured including Sortable extension.

19. FUTURE PLANS:
1.
2.
3.
4.
5.
6.
One next big version upgrade expected 2014
Simplify integration without any preconfiguration using
sensible defaults.
Improve extensions based on the issues learned.
Make them less feature rich, but more customizable.
Improve documentation, add helper commands to review
active listeners and watched entities.
Maintain compatibility without changes to public
interface.
Progress can be followed on pull request

20. THANK YOU
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