[php mode] Support 'nowdoc' strings
[php mode] Support 'nowdoc' strings

Closes #3340

hackmdio/CodeMirror,d0liver/CodeMirror,bfrohs/CodeMirror,loopspace/CodeMirror,karevn/CodeMirror,shiren/CodeMirror,supriyantomaftuh/CodeMirror,Navaneethsen/CodeMirror,sourcelair/CodeMirror,kerabromsmu/CodeMirror,anthonygego/CodeMirror,melpon/CodeMirror,karthikeyansam/CodeMirror,schanzer/CodeMirror,hccampos/CodeMirror,ThebingServices/CodeMirror,agendor/CodeMirror,TDaglis/CodeMirror,ThebingServices/CodeMirror,InternetGuru/CodeMirror,matthewbauer/CodeMirror,INTELOGIE/CodeMirror,ejgallego/CodeMirror,agendor/CodeMirror,ksanaforge/CodeMirror,michaelerobertsjr/CodeMirror,nawroth/CodeMirror,kangkot/CodeMirror,jessegrosjean/CodeMirror,r7kamura/CodeMirror,ficristo/CodeMirror,grzegorzmazur/CodeMirror,ejgallego/CodeMirror,NumbersInternational/CodeMirror,ficristo/CodeMirror,systay/CodeMirror,cintiamh/CodeMirror,jayaprabhakar/CodeMirror,karthikeyansam/CodeMirror,amshali/CodeMirror,Navaneethsen/CodeMirror,rrandom/CodeMirror,grzegorzmazur/CodeMirror,namin/CodeMirror,EasonYi/CodeMirror,pabloferz/CodeMirror,schanzer/CodeMirror,jayaprabhakar/CodeMirror,alur/CodeMirror,agendor/CodeMirror,nightwing/CodeMirror,hccampos/CodeMirror,vanloswang/CodeMirror,fmoliveira/CodeMirror,skylarkcob/CodeMirror,Aliccer/CodeMirror,NumbersInternational/CodeMirror,dudb/CodeMirror,rrandom/CodeMirror,thomasjm/CodeMirror,mizchi/CodeMirror,nightwing/CodeMirror,Aliccer/CodeMirror,isdampe/CodeMirror,increpare/CodeMirror,hackmdio/CodeMirror,namin/CodeMirror,increpare/CodeMirror,Jisuanke/CodeMirror,buchslava/CodeMirror,mtaran-google/CodeMirror,trumanliu/CodeMirror,increpare/CodeMirror,EasonYi/CodeMirror,mtaran-google/CodeMirror,jkaplon/CodeMirror,Dominator008/CodeMirror,thomasjm/CodeMirror,sekcheong/CodeMirror,vincentwoo/CodeMirror,DustinH/CodeMirror,d0liver/CodeMirror,TDaglis/CodeMirror,kuangyeheng/CodeMirror,fmoliveira/CodeMirror,xeronith/CodeMirror,axter/CodeMirror,bgrins/CodeMirror,kuangyeheng/CodeMirror,INTELOGIE/CodeMirror,EasonYi/CodeMirror,vanloswang/CodeMirror,cintiamh/CodeMirror,bfrohs/CodeMirror,jayaprabhakar/CodeMirror,mihailik/CodeMirror,buchslava/CodeMirror,karthikeyansam/CodeMirror,pabloferz/CodeMirror,Jisuanke/CodeMirror,symbla/CodeMirror,bocharsky-bw/CodeMirror,ZombieHippie/CodeMirror,systay/CodeMirror,anthonygego/CodeMirror,qiankun007/CodeMirror,Dominator008/CodeMirror,rustemferreira/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,ZombieHippie/CodeMirror,vincentwoo/CodeMirror,vanloswang/CodeMirror,notepadqq/CodeMirror,vincentwoo/CodeMirror,ksanaforge/CodeMirror,rasata/CodeMirror,philuchansky/CodeMirror,MarcelGerber/CodeMirror,trumanliu/CodeMirror,Allenice/CodeMirror,ssxxue/CodeMirror,axter/CodeMirror,apatawari/CodeMirror,qweasd1/CodeMirror,codio/CodeMirror,sanyaade-iot/CodeMirror,Jisuanke/CodeMirror,INTELOGIE/CodeMirror,codio/CodeMirror,namin/CodeMirror,qweasd1/CodeMirror,pinbe/CodeMirror,davidpham87/CodeMirror,codio/CodeMirror,matthewbauer/CodeMirror,SidPresse/CodeMirror,manderson23/CodeMirror,tpphu/CodeMirror,antimatter15/CodeMirror,hccampos/CodeMirror,ashmind/CodeMirror,symbla/CodeMirror,symbla/CodeMirror,davidpham87/CodeMirror,fmoliveira/CodeMirror,bfrohs/CodeMirror,skylarkcob/CodeMirror,nawroth/CodeMirror,morrisonwudi/CodeMirror,tpphu/CodeMirror,thomasjm/CodeMirror,NumbersInternational/CodeMirror,Dominator008/CodeMirror,schanzer/CodeMirror,crazy4chrissi/CodeMirror,supriyantomaftuh/CodeMirror,d0liver/CodeMirror,pjkui/CodeMirror,kangkot/CodeMirror,camellhf/CodeMirror,systay/CodeMirror,michaelerobertsjr/CodeMirror,manderson23/CodeMirror,Allenice/CodeMirror,TechnicalPursuit/CodeMirror,r7kamura/CodeMirror,sanyaade-iot/CodeMirror,dperetti/CodeMirror,michaelerobertsjr/CodeMirror,rustemferreira/CodeMirror,nightwing/CodeMirror,buchslava/CodeMirror,bgrins/CodeMirror,nawroth/CodeMirror,happibum/CodeMirror-main,ficristo/CodeMirror,apatawari/CodeMirror,philuchansky/CodeMirror,amshali/CodeMirror,DustinH/CodeMirror,antimatter15/CodeMirror,adobe/CodeMirror2,rasata/CodeMirror,isdampe/CodeMirror,loopspace/CodeMirror,notepadqq/CodeMirror,wingify/CodeMirror,isdampe/CodeMirror,kk9599/CodeMirror,happibum/CodeMirror-main,sekcheong/CodeMirror,jessegrosjean/CodeMirror,qiankun007/CodeMirror,jessegrosjean/CodeMirror,Aliccer/CodeMirror,SidPresse/CodeMirror,amshali/CodeMirror,ejgallego/CodeMirror,bgrins/CodeMirror,apatawari/CodeMirror,mizchi/CodeMirror,alur/CodeMirror,shiren/CodeMirror,ashmind/CodeMirror,kk9599/CodeMirror,rrandom/CodeMirror,Navaneethsen/CodeMirror,morrisonwudi/CodeMirror,SidPresse/CodeMirror,Allenice/CodeMirror,antimatter15/CodeMirror,rustemferreira/CodeMirror,mtaran-google/CodeMirror,pinbe/CodeMirror,InternetGuru/CodeMirror,TDaglis/CodeMirror,r7kamura/CodeMirror,alur/CodeMirror,qweasd1/CodeMirror,bocharsky-bw/CodeMirror,jkaplon/CodeMirror,camellhf/CodeMirror,ZombieHippie/CodeMirror,morrisonwudi/CodeMirror,pjkui/CodeMirror,kangkot/CodeMirror,melpon/CodeMirror,wingify/CodeMirror,loopspace/CodeMirror,anthonygego/CodeMirror,mizchi/CodeMirror,ksanaforge/CodeMirror,notepadqq/CodeMirror,InternetGuru/CodeMirror,dperetti/CodeMirror,sourcelair/CodeMirror,djadmin/CodeMirror,TechnicalPursuit/CodeMirror,kuangyeheng/CodeMirror,cintiamh/CodeMirror,mihailik/CodeMirror,sourcelair/CodeMirror,MarcelGerber/CodeMirror,melpon/CodeMirror,ashmind/CodeMirror,karevn/CodeMirror,mihailik/CodeMirror,matthewbauer/CodeMirror,adobe/CodeMirror2,rasata/CodeMirror,DustinH/CodeMirror,manderson23/CodeMirror,crazy4chrissi/CodeMirror,ssxxue/CodeMirror,philuchansky/CodeMirror,qiankun007/CodeMirror,djadmin/CodeMirror,xeronith/CodeMirror,camellhf/CodeMirror,happibum/CodeMirror-main,axter/CodeMirror,ssxxue/CodeMirror,bocharsky-bw/CodeMirror,sanyaade-iot/CodeMirror,trumanliu/CodeMirror,pinbe/CodeMirror,MarcelGerber/CodeMirror,shiren/CodeMirror,pjkui/CodeMirror,supriyantomaftuh/CodeMirror,davidpham87/CodeMirror,dperetti/CodeMirror,dudb/CodeMirror,skylarkcob/CodeMirror,kerabromsmu/CodeMirror,kk9599/CodeMirror,grzegorzmazur/CodeMirror,jkaplon/CodeMirror,kerabromsmu/CodeMirror,ThebingServices/CodeMirror,dudb/CodeMirror,adobe/CodeMirror2,sekcheong/CodeMirror,karevn/CodeMirror,hackmdio/CodeMirror,xeronith/CodeMirror,tpphu/CodeMirror,crazy4chrissi/CodeMirror,TechnicalPursuit/CodeMirror,djadmin/CodeMirror