ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %"1!%)+...383,7(-.+




-+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â
" 

ÿÄ   

           
 ÿÄ H 
     
 !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ 
 


            
ÿÄ %

 
       
!1AQa"23‘ÿÚ 
  ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ	ú®ði~TÁb
qÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6
öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ
"Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô	Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt	‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%º<!vB™'èÔ6´Ña¿«e`Àà0U[-ÂБ4)M÷YK*³hï÷%ÎÎkÇ«m‘-íWŽLsã?nÂ~«†üö®þ¡ÂlÃaÿ ‰ÿ l©°Õ¥ åÜá¿r ºL[Çâ°(Çè'Vãôl8´ÏRÀvLvPõ:…ÙNçF™÷ë>Íãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3
Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A	õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»&
î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ 
÷Û	#°xŸëí(l
	 »ý3—¥5m!
rt`†0~'j2(]S¦¦kv,ÚÇl¦øJA£Šƒ
J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨Ö
Ú5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg
A2Z
"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b
 Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø	ð\á)}	¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±
N¢aF¨…8¯!U		Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD
é©¤&‡ïDbàÁôMÁ."
¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO
˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \
	–Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€
L¦l{Y*K˜Ù›zc˜–ˆâø+¾	­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú
ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a
*•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü
€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm"
6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúgüAx
’6Lê‚xÝÓ*äQ
Ï’¨hÍ
=²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß
¦å¿çÉ
ðK§þ{‘t‚Ϋ¬jéîZ[”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ã
ÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜz,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M?
K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ
`é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡
ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï	,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8
”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ
ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­
PÚ;ѱÌ_~Ä££8rÞ
²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ
ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨[5Ž^ÝœWøÂÝh°
¢OWun£¤5 a2Z.G2³YL]jåtì”
ä	ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýií<NçŽôª¦„lË»{ƒ®<
[¦Y‹éƒ}j•*‚±€I‡e&gbéšp9å^!®€ö?ù^àTzo@Q¨Aêœ& [”…üÔ}пF’Hq‚©´{“ëH·?.½%úå»É Á´9¿¼Ò‰Á¼Ì¥Ús¼zW¶aÃhwÖ…ÑÏ$mò´ë:×Ñγ|”x§
µ0Âз$·aÆn µ†šÇ³£‰Ì®ž
õ@kŽ«gtí䢩ÒP×5¤?µÿ m´Ì^ ‡8¸Á8‹”žÆWÑ ¡™„,Ì“»à‹ÃéV¸®á›ÐÇŽBÀ®Ã…Z”ØÛë8;é|Ñ5)7aÕ&2Ù¸÷©ö—Ð;‡¬7"¿"7M·d
ñœÒÌf5”ê ;"Ãp5¯¬3‹ùJÚÝG›½&¯<{òñKÎÖ“3:¦ÀòGPÅS¨;
à‘Ün´öpð±W)z'¬öÀÖ#Xf2& æ
Œ‹é¾"‹\!Ñ9…
0±2A›*ØMÄ $X
끫ØXÖ,X¥ ô'ËnFÍãlqJXçuaJ4¦„ëµ7ê;h"Zã¾Áä£,vÛ‹’N©E(Öu÷)…ÁaÜÇÔkˆ$‘1kmG¨øtÛ>Ì–ª)µT[)BˆõÑ
xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi 
],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä
®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^	¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á†	11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç›	WVe#·Ÿ	p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ
;´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´
ÝÌÚÅ‹
’ÃjÖ.ØöÏñ
qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡
®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ@€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£
€+¬5c
v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›<HqÚ,sVºóÆß¼Hïô…¹…Méi‡Ò" µùEîØÏj|ÓøVOuœ"f’aÞÞëx…˜ÌO`dHHš×4K*H$‡5×
ÚÄ
Â×CUÅAŠŒsr»2°ÄÁiÚ±Çéõe•¶_SÕÆÃ3ˆ•-3´‘¸¡‡cgDîÚ¦ÃcX}'êûJè½9ñìÓ­ä±	×ÓûçÁmO”üVÞ¸÷¥ I~“ÒôhhûýÑwxlïZ¹G¡4ž=”)º£ò
®vÆŽ%UqÝ4qž©­hûÎí‡š§é1R±cÜèðà y' °ôy¦£q§Ýï¬;šÖõ„Sÿ ›  z('S†$Ï}*evÚ¾Kýº8ý
¨å	jÛ]´-‚6«¶ÖK+8ÊiS45jrœèËQDüDØ]R”˜SPÃ
xJÕl>
=§\û"—WU¤ÚǼÿ ÂnÁ
GŒÃ
‚õN	D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx
'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤×Íö
pÄ$ùeåì*«ÓŠEØWEÈsßg¦ûvžSsLpºÊW–âµEWöˬH;™!CYõZÃÄf æ#1W.
\uWâ\,\Çfj’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d	q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñß
t  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿
0ÕåJRÓªîiƒ+O58ÖñªŠÒx"	\µâá¨i’¤i
—Ö
”
M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E
ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö
˼	×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL
…^ªô× ‡—‚3k	Îý­hï]içå–îÏ*÷ñþ»Ô
CÒjøjÍznˆ´
¹#b'Fô‹
‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘	–Þ
‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ
©aiVc‰. ¹¦ãµ”
›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a	Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù
¼ÎåVªóR©Ï5uÃ
V4lZß®=€xÖŸ–ÑÈ
÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS
ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=·
Âøv~H<Q-Ìk7Æ;•L´©ÙC°.7
¯hKL@ävÊâž$´4¸ð‚¦­R–ÂZ7ÕÃj±·¿rÓrªJ_PÕ.#g¤gÀ)©`ª<KžèÝ'ä©èÒ3rwû€Ø¦ÒƒLf¤
,¿I½{Ƕ8‘$KÝU/Oi>½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµKk
¸K^ÜÛ#p*Ü14qkZç5ïë†°5Ï%ÍÛ<Õ¤×Ô¥ê†C	Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ	/á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô
Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš
LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—X
y*¥t£«<™:“aï<QÝ&Ó]i4音äzçáíHÚÕxcòãæäÝÔm퐡 `Â)C×ehÀdHP6ÅMEöZ®Í¨	é¾Tr뢘6*¶;´sÙì]ÊŽŽÛíÉwRÈ´up* Ã	‚m´:Û{·”MUë©õ̤êÔo7:ŽÕ
qÏ'E ˆk^uãT€$Ú$Æ{•ŸBP°al¾Ž©ŒÃ^}äA
,º­$Ü]ºÚ.í:‹¤ÜöXnno7X€¥BÂà ±1ã>Œºîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\dü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“
ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî>
BÉú;Ò]V+P˜F_´ßé>
Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO¹*í^QêËÜÇÌ8=Ž
§s‰'ÂëÙ«á%Pú[O
†ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥
/ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É	Ї
ë"À²

™	6¥ f¶¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷Y
ÄHy˜9ÈIW­YÀuMFë
ºÏ’AqÌ4·/Ú
†ô'i$øä­=Ä
Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç
l8íºð3Ø:³¤¬KX¯UÿÙ
<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Helper;

defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Table\TableInterface;
use Joomla\Utilities\ArrayHelper;

/**
 * Tags helper class, provides methods to perform various tasks relevant
 * tagging of content.
 *
 * @since  3.1
 */
class TagsHelper extends CMSHelper
{
	/**
	 * Helper object for storing and deleting tag information.
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	protected $tagsChanged = false;

	/**
	 * Whether up replace all tags or just add tags
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	protected $replaceTags = false;

	/**
	 * Alias for querying mapping and content type table.
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $typeAlias = null;

	/**
	 * Method to add tag rows to mapping table.
	 *
	 * @param   integer         $ucmId  ID of the #__ucm_content item being tagged
	 * @param   TableInterface  $table  Table object being tagged
	 * @param   array           $tags   Array of tags to be applied.
	 *
	 * @return  boolean  true on success, otherwise false.
	 *
	 * @since   3.1
	 */
	public function addTagMapping($ucmId, TableInterface $table, $tags = array())
	{
		$db = $table->getDbo();
		$key = $table->getKeyName();
		$item = $table->$key;
		$typeId = $this->getTypeId($this->typeAlias);

		// Insert the new tag maps
		if (strpos('#', implode(',', $tags)) === false)
		{
			$tags = self::createTagsFromField($tags);
		}

		// Prevent saving duplicate tags
		$tags = array_unique($tags);

		$query = $db->getQuery(true);
		$query->insert('#__contentitem_tag_map');
		$query->columns(
			array(
				$db->quoteName('type_alias'),
				$db->quoteName('core_content_id'),
				$db->quoteName('content_item_id'),
				$db->quoteName('tag_id'),
				$db->quoteName('tag_date'),
				$db->quoteName('type_id'),
			)
		);

		foreach ($tags as $tag)
		{
			$query->values(
				$db->quote($this->typeAlias)
				. ', ' . (int) $ucmId
				. ', ' . (int) $item
				. ', ' . $db->quote($tag)
				. ', ' . $query->currentTimestamp()
				. ', ' . (int) $typeId
			);
		}

		$db->setQuery($query);

		return (boolean) $db->execute();
	}

	/**
	 * Function that converts tags paths into paths of names
	 *
	 * @param   array  $tags  Array of tags
	 *
	 * @return  array
	 *
	 * @since   3.1
	 */
	public static function convertPathsToNames($tags)
	{
		// We will replace path aliases with tag names
		if ($tags)
		{
			// Create an array with all the aliases of the results
			$aliases = array();

			foreach ($tags as $tag)
			{
				if (!empty($tag->path))
				{
					if ($pathParts = explode('/', $tag->path))
					{
						$aliases = array_merge($aliases, $pathParts);
					}
				}
			}

			// Get the aliases titles in one single query and map the results
			if ($aliases)
			{
				// Remove duplicates
				$aliases = array_unique($aliases);

				$db = \JFactory::getDbo();

				$query = $db->getQuery(true)
					->select('alias, title')
					->from('#__tags')
					->where('alias IN (' . implode(',', array_map(array($db, 'quote'), $aliases)) . ')');
				$db->setQuery($query);

				try
				{
					$aliasesMapper = $db->loadAssocList('alias');
				}
				catch (\RuntimeException $e)
				{
					return false;
				}

				// Rebuild the items path
				if ($aliasesMapper)
				{
					foreach ($tags as $tag)
					{
						$namesPath = array();

						if (!empty($tag->path))
						{
							if ($pathParts = explode('/', $tag->path))
							{
								foreach ($pathParts as $alias)
								{
									if (isset($aliasesMapper[$alias]))
									{
										$namesPath[] = $aliasesMapper[$alias]['title'];
									}
									else
									{
										$namesPath[] = $alias;
									}
								}

								$tag->text = implode('/', $namesPath);
							}
						}
					}
				}
			}
		}

		return $tags;
	}

	/**
	 * Create any new tags by looking for #new# in the strings
	 *
	 * @param   array  $tags  Tags text array from the field
	 *
	 * @return  mixed   If successful, metadata with new tag titles replaced by tag ids. Otherwise false.
	 *
	 * @since   3.1
	 */
	public function createTagsFromField($tags)
	{
		if (empty($tags) || $tags[0] == '')
		{
			return;
		}
		else
		{
			// We will use the tags table to store them
			Table::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_tags/tables');
			$tagTable  = Table::getInstance('Tag', 'TagsTable');
			$newTags   = array();
			$canCreate = \JFactory::getUser()->authorise('core.create', 'com_tags');

			foreach ($tags as $key => $tag)
			{
				// User is not allowed to create tags, so don't create.
				if (!$canCreate && strpos($tag, '#new#') !== false)
				{
					continue;
				}

				// Remove the #new# prefix that identifies new tags
				$tagText = str_replace('#new#', '', $tag);

				if ($tagText === $tag)
				{
					$newTags[] = (int) $tag;
				}
				else
				{
					// Clear old data if exist
					$tagTable->reset();

					// Try to load the selected tag
					if ($tagTable->load(array('title' => $tagText)))
					{
						$newTags[] = (int) $tagTable->id;
					}
					else
					{
						// Prepare tag data
						$tagTable->id = 0;
						$tagTable->title = $tagText;
						$tagTable->published = 1;

						// $tagTable->language = property_exists ($item, 'language') ? $item->language : '*';
						$tagTable->language = '*';
						$tagTable->access = 1;

						// Make this item a child of the root tag
						$tagTable->setLocation($tagTable->getRootId(), 'last-child');

						// Try to store tag
						if ($tagTable->check())
						{
							// Assign the alias as path (autogenerated tags have always level 1)
							$tagTable->path = $tagTable->alias;

							if ($tagTable->store())
							{
								$newTags[] = (int) $tagTable->id;
							}
						}
					}
				}
			}

			// At this point $tags is an array of all tag ids
			$this->tags = $newTags;
			$result = $newTags;
		}

		return $result;
	}

	/**
	 * Create any new tags by looking for #new# in the metadata
	 *
	 * @param   string  $metadata  Metadata JSON string
	 *
	 * @return  mixed   If successful, metadata with new tag titles replaced by tag ids. Otherwise false.
	 *
	 * @since   3.1
	 * @deprecated  4.0  This method is no longer used in the CMS and will not be replaced.
	 */
	public function createTagsFromMetadata($metadata)
	{
		$metaObject = json_decode($metadata);

		if (empty($metaObject->tags))
		{
			return $metadata;
		}

		$tags = $metaObject->tags;

		if (empty($tags) || !is_array($tags))
		{
			$result = $metadata;
		}
		else
		{
			// We will use the tags table to store them
			Table::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_tags/tables');
			$tagTable = Table::getInstance('Tag', 'TagsTable');
			$newTags = array();

			foreach ($tags as $tag)
			{
				// Remove the #new# prefix that identifies new tags
				$tagText = str_replace('#new#', '', $tag);

				if ($tagText === $tag)
				{
					$newTags[] = (int) $tag;
				}
				else
				{
					// Clear old data if exist
					$tagTable->reset();

					// Try to load the selected tag
					if ($tagTable->load(array('title' => $tagText)))
					{
						$newTags[] = (int) $tagTable->id;
					}
					else
					{
						// Prepare tag data
						$tagTable->id = 0;
						$tagTable->title = $tagText;
						$tagTable->published = 1;

						// $tagTable->language = property_exists ($item, 'language') ? $item->language : '*';
						$tagTable->language = '*';
						$tagTable->access = 1;

						// Make this item a child of the root tag
						$tagTable->setLocation($tagTable->getRootId(), 'last-child');

						// Try to store tag
						if ($tagTable->check())
						{
							// Assign the alias as path (autogenerated tags have always level 1)
							$tagTable->path = $tagTable->alias;

							if ($tagTable->store())
							{
								$newTags[] = (int) $tagTable->id;
							}
						}
					}
				}
			}

			// At this point $tags is an array of all tag ids
			$metaObject->tags = $newTags;
			$result = json_encode($metaObject);
		}

		return $result;
	}

	/**
	 * Method to delete the tag mappings and #__ucm_content record for for an item
	 *
	 * @param   TableInterface  $table          Table object of content table where delete occurred
	 * @param   integer|array   $contentItemId  ID of the content item. Or an array of key/value pairs with array key
	 *                                          being a primary key name and value being the content item ID. Note
	 *                                          multiple primary keys are not supported
	 *
	 * @return  boolean  true on success, false on failure
	 *
	 * @since   3.1
	 * @throws  \InvalidArgumentException
	 */
	public function deleteTagData(TableInterface $table, $contentItemId)
	{
		$key = $table->getKeyName();

		if (!is_array($contentItemId))
		{
			$contentItemId = array($key => $contentItemId);
		}

		// If we have multiple items for the content item primary key we currently don't support this so
		// throw an InvalidArgumentException for now
		if (count($contentItemId) != 1)
		{
			throw new \InvalidArgumentException('Multiple primary keys are not supported as a content item id');
		}

		$result = $this->unTagItem($contentItemId[$key], $table);

		/** @var  \JTableCorecontent $ucmContentTable */
		$ucmContentTable = Table::getInstance('Corecontent');

		return $result && $ucmContentTable->deleteByContentId($contentItemId[$key], $this->typeAlias);
	}

	/**
	 * Method to get a list of tags for an item, optionally with the tag data.
	 *
	 * @param   string   $contentType  Content type alias. Dot separated.
	 * @param   integer  $id           Id of the item to retrieve tags for.
	 * @param   boolean  $getTagData   If true, data from the tags table will be included, defaults to true.
	 *
	 * @return  array    Array of of tag objects
	 *
	 * @since   3.1
	 */
	public function getItemTags($contentType, $id, $getTagData = true)
	{
		// Initialize some variables.
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true)
			->select($db->quoteName('m.tag_id'))
			->from($db->quoteName('#__contentitem_tag_map') . ' AS m ')
			->where(
				array(
					$db->quoteName('m.type_alias') . ' = ' . $db->quote($contentType),
					$db->quoteName('m.content_item_id') . ' = ' . (int) $id,
					$db->quoteName('t.published') . ' = 1',
				)
			);

		$user = \JFactory::getUser();
		$groups = implode(',', $user->getAuthorisedViewLevels());

		$query->where('t.access IN (' . $groups . ')');

		// Optionally filter on language
		$language = ComponentHelper::getParams('com_tags')->get('tag_list_language_filter', 'all');

		if ($language !== 'all')
		{
			if ($language === 'current_language')
			{
				$language = $this->getCurrentLanguage();
			}

			$query->where($db->quoteName('language') . ' IN (' . $db->quote($language) . ', ' . $db->quote('*') . ')');
		}

		if ($getTagData)
		{
			$query->select($db->quoteName('t') . '.*');
		}

		$query->join('INNER', $db->quoteName('#__tags') . ' AS t ' . ' ON ' . $db->quoteName('m.tag_id') . ' = ' . $db->quoteName('t.id'));

		$db->setQuery($query);
		$this->itemTags = $db->loadObjectList();

		return $this->itemTags;
	}

	/**
	 * Method to get a list of tags for a given item.
	 * Normally used for displaying a list of tags within a layout
	 *
	 * @param   mixed   $ids     The id or array of ids (primary key) of the item to be tagged.
	 * @param   string  $prefix  Dot separated string with the option and view to be used for a url.
	 *
	 * @return  string   Comma separated list of tag Ids.
	 *
	 * @since   3.1
	 */
	public function getTagIds($ids, $prefix)
	{
		if (empty($ids))
		{
			return;
		}

		/**
		 * Ids possible formats:
		 * ---------------------
		 * 	$id = 1;
		 *  $id = array(1,2);
		 *  $id = array('1,3,4,19');
		 *  $id = '1,3';
		 */
		$ids = (array) $ids;
		$ids = implode(',', $ids);
		$ids = explode(',', $ids);
		$ids = ArrayHelper::toInteger($ids);

		$db = \JFactory::getDbo();

		// Load the tags.
		$query = $db->getQuery(true)
			->select($db->quoteName('t.id'))
			->from($db->quoteName('#__tags') . ' AS t ')
			->join(
				'INNER', $db->quoteName('#__contentitem_tag_map') . ' AS m'
				. ' ON ' . $db->quoteName('m.tag_id') . ' = ' . $db->quoteName('t.id')
				. ' AND ' . $db->quoteName('m.type_alias') . ' = ' . $db->quote($prefix)
				. ' AND ' . $db->quoteName('m.content_item_id') . ' IN ( ' . implode(',', $ids) . ')'
			);

		$db->setQuery($query);

		// Add the tags to the content data.
		$tagsList = $db->loadColumn();
		$this->tags = implode(',', $tagsList);

		return $this->tags;
	}

	/**
	 * Method to get a query to retrieve a detailed list of items for a tag.
	 *
	 * @param   mixed    $tagId            Tag or array of tags to be matched
	 * @param   mixed    $typesr           Null, type or array of type aliases for content types to be included in the results
	 * @param   boolean  $includeChildren  True to include the results from child tags
	 * @param   string   $orderByOption    Column to order the results by
	 * @param   string   $orderDir         Direction to sort the results in
	 * @param   boolean  $anyOrAll         True to include items matching at least one tag, false to include
	 *                                     items all tags in the array.
	 * @param   string   $languageFilter   Optional filter on language. Options are 'all', 'current' or any string.
	 * @param   string   $stateFilter      Optional filtering on publication state, defaults to published or unpublished.
	 *
	 * @return  \JDatabaseQuery  Query to retrieve a list of tags
	 *
	 * @since   3.1
	 */
	public function getTagItemsQuery($tagId, $typesr = null, $includeChildren = false, $orderByOption = 'c.core_title', $orderDir = 'ASC',
		$anyOrAll = true, $languageFilter = 'all', $stateFilter = '0,1')
	{
		// Create a new query object.
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true);
		$user = \JFactory::getUser();
		$nullDate = $db->quote($db->getNullDate());
		$nowDate = $db->quote(\JFactory::getDate()->toSql());

		// Force ids to array and sanitize
		$tagIds = (array) $tagId;
		$tagIds = implode(',', $tagIds);
		$tagIds = explode(',', $tagIds);
		$tagIds = ArrayHelper::toInteger($tagIds);

		$ntagsr = count($tagIds);

		// If we want to include children we have to adjust the list of tags.
		// We do not search child tags when the match all option is selected.
		if ($includeChildren)
		{
			$tagTreeArray = array();

			foreach ($tagIds as $tag)
			{
				$this->getTagTreeArray($tag, $tagTreeArray);
			}

			$tagIds = array_unique(array_merge($tagIds, $tagTreeArray));
		}

		// Sanitize filter states
		$stateFilters = explode(',', $stateFilter);
		$stateFilters = ArrayHelper::toInteger($stateFilters);

		// M is the mapping table. C is the core_content table. Ct is the content_types table.
		$query
			->select(
				'm.type_alias'
				. ', ' . 'm.content_item_id'
				. ', ' . 'm.core_content_id'
				. ', ' . 'count(m.tag_id) AS match_count'
				. ', ' . 'MAX(m.tag_date) as tag_date'
				. ', ' . 'MAX(c.core_title) AS core_title'
				. ', ' . 'MAX(c.core_params) AS core_params'
			)
			->select('MAX(c.core_alias) AS core_alias, MAX(c.core_body) AS core_body, MAX(c.core_state) AS core_state, MAX(c.core_access) AS core_access')
			->select(
				'MAX(c.core_metadata) AS core_metadata'
				. ', ' . 'MAX(c.core_created_user_id) AS core_created_user_id'
				. ', ' . 'MAX(c.core_created_by_alias) AS core_created_by_alias'
			)
			->select('MAX(c.core_created_time) as core_created_time, MAX(c.core_images) as core_images')
			->select('CASE WHEN c.core_modified_time = ' . $nullDate . ' THEN c.core_created_time ELSE c.core_modified_time END as core_modified_time')
			->select('MAX(c.core_language) AS core_language, MAX(c.core_catid) AS core_catid')
			->select('MAX(c.core_publish_up) AS core_publish_up, MAX(c.core_publish_down) as core_publish_down')
			->select('MAX(ct.type_title) AS content_type_title, MAX(ct.router) AS router')

			->from('#__contentitem_tag_map AS m')
			->join(
				'INNER',
				'#__ucm_content AS c ON m.type_alias = c.core_type_alias AND m.core_content_id = c.core_content_id AND c.core_state IN ('
					. implode(',', $stateFilters) . ')'
					. (in_array('0', $stateFilters) ? '' : ' AND (c.core_publish_up = ' . $nullDate
					. ' OR c.core_publish_up <= ' . $nowDate . ') '
					. ' AND (c.core_publish_down = ' . $nullDate . ' OR  c.core_publish_down >= ' . $nowDate . ')')
			)
			->join('INNER', '#__content_types AS ct ON ct.type_alias = m.type_alias')

			// Join over categories for get only tags from published categories
			->join('LEFT', '#__categories AS tc ON tc.id = c.core_catid')

			// Join over the users for the author and email
			->select("CASE WHEN c.core_created_by_alias > ' ' THEN c.core_created_by_alias ELSE ua.name END AS author")
			->select('ua.email AS author_email')

			->join('LEFT', '#__users AS ua ON ua.id = c.core_created_user_id')

			->where('m.tag_id IN (' . implode(',', $tagIds) . ')')
			->where('(c.core_catid = 0 OR tc.published = 1)');

		// Optionally filter on language
		if (empty($language))
		{
			$language = $languageFilter;
		}

		if ($language !== 'all')
		{
			if ($language === 'current_language')
			{
				$language = $this->getCurrentLanguage();
			}

			$query->where($db->quoteName('c.core_language') . ' IN (' . $db->quote($language) . ', ' . $db->quote('*') . ')');
		}

		// Get the type data, limited to types in the request if there are any specified.
		$typesarray = self::getTypes('assocList', $typesr, false);

		$typeAliases = array();

		foreach ($typesarray as $type)
		{
			$typeAliases[] = $db->quote($type['type_alias']);
		}

		$query->where('m.type_alias IN (' . implode(',', $typeAliases) . ')');

		$groups = '0,' . implode(',', array_unique($user->getAuthorisedViewLevels()));
		$query->where('c.core_access IN (' . $groups . ')')
			->group('m.type_alias, m.content_item_id, m.core_content_id, core_modified_time, core_created_time, core_created_by_alias, author, author_email');

		// Use HAVING if matching all tags and we are matching more than one tag.
		if ($ntagsr > 1 && $anyOrAll != 1 && $includeChildren != 1)
		{
			// The number of results should equal the number of tags requested.
			$query->having("COUNT('m.tag_id') = " . (int) $ntagsr);
		}

		// Set up the order by using the option chosen
		if ($orderByOption === 'match_count')
		{
			$orderBy = 'COUNT(m.tag_id)';
		}
		else
		{
			$orderBy = 'MAX(' . $db->quoteName($orderByOption) . ')';
		}

		$query->order($orderBy . ' ' . $orderDir);

		return $query;
	}

	/**
	 * Function that converts tag ids to their tag names
	 *
	 * @param   array  $tagIds  Array of integer tag ids.
	 *
	 * @return  array  An array of tag names.
	 *
	 * @since   3.1
	 */
	public function getTagNames($tagIds)
	{
		$tagNames = array();

		if (is_array($tagIds) && count($tagIds) > 0)
		{
			$tagIds = ArrayHelper::toInteger($tagIds);

			$db = \JFactory::getDbo();
			$query = $db->getQuery(true)
				->select($db->quoteName('title'))
				->from($db->quoteName('#__tags'))
				->where($db->quoteName('id') . ' IN (' . implode(',', $tagIds) . ')');
			$query->order($db->quoteName('title'));

			$db->setQuery($query);
			$tagNames = $db->loadColumn();
		}

		return $tagNames;
	}

	/**
	 * Method to get an array of tag ids for the current tag and its children
	 *
	 * @param   integer  $id             An optional ID
	 * @param   array    &$tagTreeArray  Array containing the tag tree
	 *
	 * @return  mixed
	 *
	 * @since   3.1
	 */
	public function getTagTreeArray($id, &$tagTreeArray = array())
	{
		// Get a level row instance.
		Table::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_tags/tables');
		$table = Table::getInstance('Tag', 'TagsTable');

		if ($table->isLeaf($id))
		{
			$tagTreeArray[] = $id;

			return $tagTreeArray;
		}

		$tagTree = $table->getTree($id);

		// Attempt to load the tree
		if ($tagTree)
		{
			foreach ($tagTree as $tag)
			{
				$tagTreeArray[] = $tag->id;
			}

			return $tagTreeArray;
		}
	}

	/**
	 * Method to get the type id for a type alias.
	 *
	 * @param   string  $typeAlias  A type alias.
	 *
	 * @return  string  Name of the table for a type
	 *
	 * @since   3.1
	 * @deprecated  4.0  Use \JUcmType::getTypeId() instead
	 */
	public function getTypeId($typeAlias)
	{
		$contentType = new \JUcmType;

		return $contentType->getTypeId($typeAlias);
	}

	/**
	 * Method to get a list of types with associated data.
	 *
	 * @param   string   $arrayType    Optionally specify that the returned list consist of objects, associative arrays, or arrays.
	 *                                 Options are: rowList, assocList, and objectList
	 * @param   array    $selectTypes  Optional array of type ids to limit the results to. Often from a request.
	 * @param   boolean  $useAlias     If true, the alias is used to match, if false the type_id is used.
	 *
	 * @return  array   Array of of types
	 *
	 * @since   3.1
	 */
	public static function getTypes($arrayType = 'objectList', $selectTypes = null, $useAlias = true)
	{
		// Initialize some variables.
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true)
			->select('*');

		if (!empty($selectTypes))
		{
			$selectTypes = (array) $selectTypes;

			if ($useAlias)
			{
				$selectTypes = array_map(array($db, 'quote'), $selectTypes);

				$query->where($db->quoteName('type_alias') . ' IN (' . implode(',', $selectTypes) . ')');
			}
			else
			{
				$selectTypes = ArrayHelper::toInteger($selectTypes);

				$query->where($db->quoteName('type_id') . ' IN (' . implode(',', $selectTypes) . ')');
			}
		}

		$query->from($db->quoteName('#__content_types'));

		$db->setQuery($query);

		switch ($arrayType)
		{
			case 'assocList':
				$types = $db->loadAssocList();
				break;

			case 'rowList':
				$types = $db->loadRowList();
				break;

			case 'objectList':
			default:
				$types = $db->loadObjectList();
				break;
		}

		return $types;
	}

	/**
	 * Function that handles saving tags used in a table class after a store()
	 *
	 * @param   TableInterface  $table    Table being processed
	 * @param   array           $newTags  Array of new tags
	 * @param   boolean         $replace  Flag indicating if all exising tags should be replaced
	 *
	 * @return  boolean
	 *
	 * @since   3.1
	 */
	public function postStoreProcess(TableInterface $table, $newTags = array(), $replace = true)
	{
		if (!empty($table->newTags) && empty($newTags))
		{
			$newTags = $table->newTags;
		}

		// If existing row, check to see if tags have changed.
		$newTable = clone $table;
		$newTable->reset();

		$result = true;

		// Process ucm_content and ucm_base if either tags have changed or we have some tags.
		if ($this->tagsChanged || (!empty($newTags) && $newTags[0] != ''))
		{
			if (!$newTags && $replace == true)
			{
				// Delete all tags data
				$key = $table->getKeyName();
				$result = $this->deleteTagData($table, $table->$key);
			}
			else
			{
				// Process the tags
				$data = $this->getRowData($table);
				$ucmContentTable = Table::getInstance('Corecontent');

				$ucm = new \JUcmContent($table, $this->typeAlias);
				$ucmData = $data ? $ucm->mapData($data) : $ucm->ucmData;

				$primaryId = $ucm->getPrimaryKey($ucmData['common']['core_type_id'], $ucmData['common']['core_content_item_id']);
				$result = $ucmContentTable->load($primaryId);
				$result = $result && $ucmContentTable->bind($ucmData['common']);
				$result = $result && $ucmContentTable->check();
				$result = $result && $ucmContentTable->store();
				$ucmId = $ucmContentTable->core_content_id;

				// Store the tag data if the article data was saved and run related methods.
				$result = $result && $this->tagItem($ucmId, $table, $newTags, $replace);
			}
		}

		return $result;
	}

	/**
	 * Function that preProcesses data from a table prior to a store() to ensure proper tag handling
	 *
	 * @param   TableInterface  $table    Table being processed
	 * @param   array           $newTags  Array of new tags
	 *
	 * @return  null
	 *
	 * @since   3.1
	 */
	public function preStoreProcess(TableInterface $table, $newTags = array())
	{
		if ($newTags != array())
		{
			$this->newTags = $newTags;
		}

		// If existing row, check to see if tags have changed.
		$oldTable = clone $table;
		$oldTable->reset();
		$key = $oldTable->getKeyName();
		$typeAlias = $this->typeAlias;

		if ($oldTable->$key && $oldTable->load())
		{
			$this->oldTags = $this->getTagIds($oldTable->$key, $typeAlias);
		}

		// New items with no tags bypass this step.
		if ((!empty($newTags) && is_string($newTags) || (isset($newTags[0]) && $newTags[0] != '')) || isset($this->oldTags))
		{
			if (is_array($newTags))
			{
				$newTags = implode(',', $newTags);
			}

			// We need to process tags if the tags have changed or if we have a new row
			$this->tagsChanged = (empty($this->oldTags) && !empty($newTags)) ||(!empty($this->oldTags) && $this->oldTags != $newTags) || !$table->$key;
		}
	}

	/**
	 * Function to search tags
	 *
	 * @param   array  $filters  Filter to apply to the search
	 *
	 * @return  array
	 *
	 * @since   3.1
	 */
	public static function searchTags($filters = array())
	{
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true)
			->select('a.id AS value')
			->select('a.path AS text')
			->select('a.path')
			->from('#__tags AS a')
			->join('LEFT', $db->quoteName('#__tags', 'b') . ' ON a.lft > b.lft AND a.rgt < b.rgt');

		// Filter language
		if (!empty($filters['flanguage']))
		{
			$query->where('a.language IN (' . $db->quote($filters['flanguage']) . ',' . $db->quote('*') . ') ');
		}

		// Do not return root
		$query->where($db->quoteName('a.alias') . ' <> ' . $db->quote('root'));

		// Search in title or path
		if (!empty($filters['like']))
		{
			$query->where(
				'(' . $db->quoteName('a.title') . ' LIKE ' . $db->quote('%' . $filters['like'] . '%')
					. ' OR ' . $db->quoteName('a.path') . ' LIKE ' . $db->quote('%' . $filters['like'] . '%') . ')'
			);
		}

		// Filter title
		if (!empty($filters['title']))
		{
			$query->where($db->quoteName('a.title') . ' = ' . $db->quote($filters['title']));
		}

		// Filter on the published state
		if (isset($filters['published']) && is_numeric($filters['published']))
		{
			$query->where('a.published = ' . (int) $filters['published']);
		}

		// Filter by parent_id
		if (isset($filters['parent_id']) && is_numeric($filters['parent_id']))
		{
			Table::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_tags/tables');
			$tagTable = Table::getInstance('Tag', 'TagsTable');

			if ($children = $tagTable->getTree($filters['parent_id']))
			{
				foreach ($children as $child)
				{
					$childrenIds[] = $child->id;
				}

				$query->where('a.id IN (' . implode(',', $childrenIds) . ')');
			}
		}

		$query->group('a.id, a.title, a.level, a.lft, a.rgt, a.parent_id, a.published, a.path')
			->order('a.lft ASC');

		// Get the options.
		$db->setQuery($query);

		try
		{
			$results = $db->loadObjectList();
		}
		catch (\RuntimeException $e)
		{
			return array();
		}

		// We will replace path aliases with tag names
		return self::convertPathsToNames($results);
	}

	/**
	 * Method to delete all instances of a tag from the mapping table. Generally used when a tag is deleted.
	 *
	 * @param   integer  $tag_id  The tag_id (primary key) for the deleted tag.
	 *
	 * @return  void
	 *
	 * @since   3.1
	 */
	public function tagDeleteInstances($tag_id)
	{
		// Delete the old tag maps.
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true)
			->delete($db->quoteName('#__contentitem_tag_map'))
			->where($db->quoteName('tag_id') . ' = ' . (int) $tag_id);
		$db->setQuery($query);
		$db->execute();
	}

	/**
	 * Method to add or update tags associated with an item.
	 *
	 * @param   integer         $ucmId    Id of the #__ucm_content item being tagged
	 * @param   TableInterface  $table    Table object being tagged
	 * @param   array           $tags     Array of tags to be applied.
	 * @param   boolean         $replace  Flag indicating if all exising tags should be replaced
	 *
	 * @return  boolean  true on success, otherwise false.
	 *
	 * @since   3.1
	 */
	public function tagItem($ucmId, TableInterface $table, $tags = array(), $replace = true)
	{
		$key = $table->get('_tbl_key');
		$oldTags = $this->getTagIds((int) $table->$key, $this->typeAlias);
		$oldTags = explode(',', $oldTags);
		$result = $this->unTagItem($ucmId, $table);

		if ($replace)
		{
			$newTags = $tags;
		}
		else
		{
			if ($tags == array())
			{
				$newTags = $table->newTags;
			}
			else
			{
				$newTags = $tags;
			}

			if ($oldTags[0] != '')
			{
				$newTags = array_unique(array_merge($newTags, $oldTags));
			}
		}

		if (is_array($newTags) && count($newTags) > 0 && $newTags[0] != '')
		{
			$result = $result && $this->addTagMapping($ucmId, $table, $newTags);
		}

		return $result;
	}

	/**
	 * Method to untag an item
	 *
	 * @param   integer         $contentId  ID of the content item being untagged
	 * @param   TableInterface  $table      Table object being untagged
	 * @param   array           $tags       Array of tags to be untagged. Use an empty array to untag all existing tags.
	 *
	 * @return  boolean  true on success, otherwise false.
	 *
	 * @since   3.1
	 */
	public function unTagItem($contentId, TableInterface $table, $tags = array())
	{
		$key = $table->getKeyName();
		$id = $table->$key;
		$db = \JFactory::getDbo();
		$query = $db->getQuery(true)
			->delete('#__contentitem_tag_map')
			->where($db->quoteName('type_alias') . ' = ' . $db->quote($this->typeAlias))
			->where($db->quoteName('content_item_id') . ' = ' . (int) $id);

		if (is_array($tags) && count($tags) > 0)
		{
			$tags = ArrayHelper::toInteger($tags);

			$query->where($db->quoteName('tag_id') . ' IN (' . implode(',', $tags) . ')');
		}

		$db->setQuery($query);

		return (boolean) $db->execute();
	}
}