Add elasticsearcher for PHP (#21143)
Add elasticsearcher for PHP (#21143)

Disclaimer: it is a library written by one of the engineers in my company.
vroyer/elasticassandra,gingerwizard/elasticsearch,Shepard1212/elasticsearch,scottsom/elasticsearch,pozhidaevak/elasticsearch,gfyoung/elasticsearch,obourgain/elasticsearch,fernandozhu/elasticsearch,jprante/elasticsearch,winstonewert/elasticsearch,StefanGor/elasticsearch,yanjunh/elasticsearch,obourgain/elasticsearch,fred84/elasticsearch,coding0011/elasticsearch,nknize/elasticsearch,wuranbo/elasticsearch,C-Bish/elasticsearch,rlugojr/elasticsearch,a2lin/elasticsearch,mortonsykes/elasticsearch,mortonsykes/elasticsearch,spiegela/elasticsearch,nezirus/elasticsearch,JervyShi/elasticsearch,jprante/elasticsearch,winstonewert/elasticsearch,i-am-Nathan/elasticsearch,bawse/elasticsearch,glefloch/elasticsearch,rajanm/elasticsearch,robin13/elasticsearch,fforbeck/elasticsearch,wangtuo/elasticsearch,Stacey-Gammon/elasticsearch,uschindler/elasticsearch,spiegela/elasticsearch,kalimatas/elasticsearch,StefanGor/elasticsearch,a2lin/elasticsearch,MaineC/elasticsearch,s1monw/elasticsearch,robin13/elasticsearch,JackyMai/elasticsearch,ZTE-PaaS/elasticsearch,fred84/elasticsearch,s1monw/elasticsearch,gingerwizard/elasticsearch,yanjunh/elasticsearch,brandonkearby/elasticsearch,maddin2016/elasticsearch,coding0011/elasticsearch,nazarewk/elasticsearch,a2lin/elasticsearch,mjason3/elasticsearch,JervyShi/elasticsearch,pozhidaevak/elasticsearch,elasticdog/elasticsearch,jprante/elasticsearch,wuranbo/elasticsearch,MaineC/elasticsearch,C-Bish/elasticsearch,pozhidaevak/elasticsearch,henakamaMSFT/elasticsearch,fernandozhu/elasticsearch,shreejay/elasticsearch,uschindler/elasticsearch,mjason3/elasticsearch,JackyMai/elasticsearch,qwerty4030/elasticsearch,lks21c/elasticsearch,s1monw/elasticsearch,robin13/elasticsearch,fernandozhu/elasticsearch,bawse/elasticsearch,mikemccand/elasticsearch,ThiagoGarciaAlves/elasticsearch,naveenhooda2000/elasticsearch,strapdata/elassandra,JSCooke/elasticsearch,rajanm/elasticsearch,njlawton/elasticsearch,rlugojr/elasticsearch,HonzaKral/elasticsearch,mortonsykes/elasticsearch,glefloch/elasticsearch,qwerty4030/elasticsearch,pozhidaevak/elasticsearch,glefloch/elasticsearch,rajanm/elasticsearch,nilabhsagar/elasticsearch,markwalkom/elasticsearch,LeoYao/elasticsearch,nknize/elasticsearch,JackyMai/elasticsearch,uschindler/elasticsearch,spiegela/elasticsearch,vroyer/elassandra,LewayneNaidoo/elasticsearch,bawse/elasticsearch,scottsom/elasticsearch,i-am-Nathan/elasticsearch,kalimatas/elasticsearch,Shepard1212/elasticsearch,ThiagoGarciaAlves/elasticsearch,robin13/elasticsearch,mikemccand/elasticsearch,C-Bish/elasticsearch,s1monw/elasticsearch,mohit/elasticsearch,LewayneNaidoo/elasticsearch,ThiagoGarciaAlves/elasticsearch,nazarewk/elasticsearch,coding0011/elasticsearch,fernandozhu/elasticsearch,mortonsykes/elasticsearch,LeoYao/elasticsearch,masaruh/elasticsearch,jimczi/elasticsearch,vroyer/elassandra,JervyShi/elasticsearch,Helen-Zhao/elasticsearch,nknize/elasticsearch,mortonsykes/elasticsearch,LeoYao/elasticsearch,JackyMai/elasticsearch,gfyoung/elasticsearch,fred84/elasticsearch,vroyer/elassandra,ThiagoGarciaAlves/elasticsearch,naveenhooda2000/elasticsearch,masaruh/elasticsearch,shreejay/elasticsearch,mjason3/elasticsearch,gingerwizard/elasticsearch,HonzaKral/elasticsearch,wenpos/elasticsearch,C-Bish/elasticsearch,nezirus/elasticsearch,rajanm/elasticsearch,mohit/elasticsearch,strapdata/elassandra,JervyShi/elasticsearch,henakamaMSFT/elasticsearch,njlawton/elasticsearch,JSCooke/elasticsearch,maddin2016/elasticsearch,obourgain/elasticsearch,shreejay/elasticsearch,naveenhooda2000/elasticsearch,fred84/elasticsearch,jprante/elasticsearch,GlenRSmith/elasticsearch,scottsom/elasticsearch,nazarewk/elasticsearch,fred84/elasticsearch,gingerwizard/elasticsearch,markwalkom/elasticsearch,alexshadow007/elasticsearch,mohit/elasticsearch,naveenhooda2000/elasticsearch,qwerty4030/elasticsearch,ZTE-PaaS/elasticsearch,scorpionvicky/elasticsearch,JackyMai/elasticsearch,jprante/elasticsearch,njlawton/elasticsearch,elasticdog/elasticsearch,umeshdangat/elasticsearch,i-am-Nathan/elasticsearch,mjason3/elasticsearch,nilabhsagar/elasticsearch,StefanGor/elasticsearch,lks21c/elasticsearch,geidies/elasticsearch,nezirus/elasticsearch,bawse/elasticsearch,sneivandt/elasticsearch,nezirus/elasticsearch,wenpos/elasticsearch,LewayneNaidoo/elasticsearch,MisterAndersen/elasticsearch,brandonkearby/elasticsearch,jimczi/elasticsearch,JSCooke/elasticsearch,a2lin/elasticsearch,scorpionvicky/elasticsearch,shreejay/elasticsearch,umeshdangat/elasticsearch,GlenRSmith/elasticsearch,njlawton/elasticsearch,geidies/elasticsearch,alexshadow007/elasticsearch,qwerty4030/elasticsearch,jimczi/elasticsearch,s1monw/elasticsearch,a2lin/elasticsearch,artnowo/elasticsearch,uschindler/elasticsearch,kalimatas/elasticsearch,lks21c/elasticsearch,IanvsPoplicola/elasticsearch,GlenRSmith/elasticsearch,shreejay/elasticsearch,artnowo/elasticsearch,wangtuo/elasticsearch,Helen-Zhao/elasticsearch,wuranbo/elasticsearch,Helen-Zhao/elasticsearch,strapdata/elassandra,wuranbo/elasticsearch,alexshadow007/elasticsearch,MaineC/elasticsearch,scorpionvicky/elasticsearch,gfyoung/elasticsearch,jimczi/elasticsearch,JSCooke/elasticsearch,scottsom/elasticsearch,ZTE-PaaS/elasticsearch,strapdata/elassandra,wangtuo/elasticsearch,elasticdog/elasticsearch,artnowo/elasticsearch,uschindler/elasticsearch,yanjunh/elasticsearch,C-Bish/elasticsearch,wuranbo/elasticsearch,markwalkom/elasticsearch,Stacey-Gammon/elasticsearch,rajanm/elasticsearch,fforbeck/elasticsearch,pozhidaevak/elasticsearch,kalimatas/elasticsearch,Stacey-Gammon/elasticsearch,maddin2016/elasticsearch,nazarewk/elasticsearch,nilabhsagar/elasticsearch,henakamaMSFT/elasticsearch,fforbeck/elasticsearch,mikemccand/elasticsearch,LewayneNaidoo/elasticsearch,markwalkom/elasticsearch,IanvsPoplicola/elasticsearch,MisterAndersen/elasticsearch,lks21c/elasticsearch,naveenhooda2000/elasticsearch,mikemccand/elasticsearch,LeoYao/elasticsearch,IanvsPoplicola/elasticsearch,JervyShi/elasticsearch,rajanm/elasticsearch,nknize/elasticsearch,winstonewert/elasticsearch,sneivandt/elasticsearch,glefloch/elasticsearch,nazarewk/elasticsearch,i-am-Nathan/elasticsearch,MisterAndersen/elasticsearch,Stacey-Gammon/elasticsearch,MaineC/elasticsearch,HonzaKral/elasticsearch,Stacey-Gammon/elasticsearch,StefanGor/elasticsearch,IanvsPoplicola/elasticsearch,sneivandt/elasticsearch,fernandozhu/elasticsearch,ThiagoGarciaAlves/elasticsearch,LeoYao/elasticsearch,vroyer/elasticassandra,geidies/elasticsearch,maddin2016/elasticsearch,GlenRSmith/elasticsearch,brandonkearby/elasticsearch,obourgain/elasticsearch,scottsom/elasticsearch,vroyer/elasticassandra,GlenRSmith/elasticsearch,wangtuo/elasticsearch,lks21c/elasticsearch,artnowo/elasticsearch,JSCooke/elasticsearch,geidies/elasticsearch,obourgain/elasticsearch,qwerty4030/elasticsearch,yanjunh/elasticsearch,mikemccand/elasticsearch,fforbeck/elasticsearch,mohit/elasticsearch,gfyoung/elasticsearch,umeshdangat/elasticsearch,wenpos/elasticsearch,MisterAndersen/elasticsearch,HonzaKral/elasticsearch,ZTE-PaaS/elasticsearch,Shepard1212/elasticsearch,artnowo/elasticsearch,nilabhsagar/elasticsearch,yanjunh/elasticsearch,Helen-Zhao/elasticsearch,geidies/elasticsearch,coding0011/elasticsearch,wangtuo/elasticsearch,masaruh/elasticsearch,jimczi/elasticsearch,elasticdog/elasticsearch,MaineC/elasticsearch,winstonewert/elasticsearch,JervyShi/elasticsearch,wenpos/elasticsearch,wenpos/elasticsearch,i-am-Nathan/elasticsearch,alexshadow007/elasticsearch,spiegela/elasticsearch,LeoYao/elasticsearch,Helen-Zhao/elasticsearch,nilabhsagar/elasticsearch,markwalkom/elasticsearch,fforbeck/elasticsearch,Shepard1212/elasticsearch,markwalkom/elasticsearch,njlawton/elasticsearch,spiegela/elasticsearch,gingerwizard/elasticsearch,brandonkearby/elasticsearch,geidies/elasticsearch,masaruh/elasticsearch,mohit/elasticsearch,gingerwizard/elasticsearch,mjason3/elasticsearch,IanvsPoplicola/elasticsearch,robin13/elasticsearch,rlugojr/elasticsearch,bawse/elasticsearch,brandonkearby/elasticsearch,winstonewert/elasticsearch,gingerwizard/elasticsearch,coding0011/elasticsearch,sneivandt/elasticsearch,elasticdog/elasticsearch,maddin2016/elasticsearch,Shepard1212/elasticsearch,nezirus/elasticsearch,nknize/elasticsearch,henakamaMSFT/elasticsearch,masaruh/elasticsearch,StefanGor/elasticsearch,glefloch/elasticsearch,kalimatas/elasticsearch,scorpionvicky/elasticsearch,strapdata/elassandra,henakamaMSFT/elasticsearch,sneivandt/elasticsearch,umeshdangat/elasticsearch,alexshadow007/elasticsearch,rlugojr/elasticsearch,MisterAndersen/elasticsearch,scorpionvicky/elasticsearch,gfyoung/elasticsearch,umeshdangat/elasticsearch,ZTE-PaaS/elasticsearch,rlugojr/elasticsearch,ThiagoGarciaAlves/elasticsearch,LeoYao/elasticsearch,LewayneNaidoo/elasticsearch