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An Introduction to PHP Dependency Management With Composer
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An Introduction to PHP Dependency Management With Composer

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Bradley Jacob's talk from WordCamp Boston 2013

Bradley Jacob's talk from WordCamp Boston 2013


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  • 1. Composer Dependency Management in PHP Presentation by: Bradley Jacobs / @crazyjaco @crazyjaco
  • 2. Some assumptions WordPress directory structure JSON Working with multiple WordPress sites
  • 3. Talking Points Goals What is Dependency Management Introduction to Composer The composer.json file The composer.lock file Auto-loading Package Repositories Using Composer with WordPress Wrap up Demo
  • 4. TLDR; Getting to a better workflow through Composer Goal: Rapidly create a WordPress server setup that can be replicated quickly and consistently
  • 5. WordPress Skeleton https://github.com/markjaquith/WordPress-Skeleton . w/ /p .w/pamn /pw-di/ .w/pcnet /pw-otn/ .w/picue/ /pw-nlds . w-otn/ /pcnet .idxhm /ne.tl .w-ofgpp /pcni.h
  • 6. Dependency/Package Management What is a package? A package is just a bunch of files in a folder Dependencies are a type of package.
  • 7. Why Package/Dependency Management? Modern day web pages are rarely self-contained. Frameworks Libraries Scripts
  • 8. Dependency Management vs Package Management
  • 9. Introducing Composer http://getcomposer.org
  • 10. Demo 1 - PHPUnit { } " ae: " rz j c/ hu i- e t, nm" cayaoppntts" " ecito" " ts o uigcmoe wt ppnt, dsrpin: A et f sn opsr ih hui" " ies" "rpitr" lcne: poreay, " eur" { rqie: "hui/hui"".." ppntppnt: 37* }
  • 11. Installation Mac/Linux $cr -Shts/gtopsrogisalr |pp ul s tp:/ecmoe.r/ntle h $m cmoe.hr/s/oa/i/opsr v opsrpa urlclbncmoe Windows: Download and run the Composer-Setup.exe
  • 12. composer.json Schema Documentation File acts as both a consumer and provider
  • 13. { " ae: " rd e /y ol rj c " n m" ba ly mc o po et, " ec it o" " hs p oe td e co s uf, d s rp in : Ti r jc os ol t f" " ew rs: [w rc m" " ot n,"o l ] k y od" "o da p , b s o" c o" , " oe ae: " t p/ gt u. o /r zj c/ yo l rj c" h m pg" ht :/ i hb cm ca ya o mc op oe t, " ye: " ir r " t p" lb ay, " ie s" " I" l c ne : M T, " uh r" [ a t os : { " ae : "r de J cb " nm " Ba l y a o s, " mi " "j c b@ op ic cm , ea l: b ao so m hn .o " " oe a e: "t p/ o mh n. o" hm pg " h t: /o pi cc m } ] , " eo io is: r p st re"{ " ye : "o ps r , tp " cm o e" " r " " tp / cs o- eo og ul : ht :/ ut m rp .r " } , " eu r" { r q ie : "op /r m wr " ". " om hf ae ok : 32 , "ic ma y ai lb ay : "4 0 bg op n/ p- i rr " >. " } , " eu r- e" { r q ie dv : "ut mr p /n tt se " ". ." cs o- eo ui - et r: 2 3* , "og rl g e " " .. " lg e/ og r : 1 7* , "eu /o l " " 2 0 db gt os : ~. " } , " ug s" { s g et : "ol op n /x es o " " lo e tn in t te c r p or m co cm ay et n in : Al w x e so o h o e rg a" } }
  • 14. { " ae:"rde/yolrjc" nm" balymcopoet, " ecito" "hspoetde co suf, dsrpin: Ti rjc os ol tf" " ewrs:[wrcm" "otn,"ol] kyod" "odap, bso" co", " oeae:"tp/gtu.o/rzjc/yolrjc" hmpg" ht:/ihbcmcayaomcopoet, " ye:"irr" tp" lbay, " ies" "I" lcne: MT, " uhr" [ atos: { "ae:"rde Jcb" nm" Baly aos, "mi " "jcb@opiccm, eal: baosomhn.o" "oeae:"tp/omhn.o" hmpg " ht:/opiccm } ] , " eoiois: rpstre"{ "ye:"opsr, tp" cmoe" "r" "tp/cso-eoog ul : ht:/utmrp.r" } , " eur" { rqie:
  • 15. Composer.lock
  • 16. Autoloading *** All dependencies are loaded into the '/vendor' folder *** rqie'edratla.h' eur vno/uoodpp; This one line gives you access to all of the classes in your dependencies.
  • 17. Package Repositories Where do we find and get the packages for composer to install?
  • 18. Packagist.org Packagist.org
  • 19. Using Composer w/ WordPress custom installers, WPackagist.org
  • 20. WPackagist.org
  • 21. Custom Installers It will be necessary for additional actions on occasion, like installing something outside the /vendor folder. http://composer.github.io/installers/ - An installer for packages that need special installation based on package type
  • 22. Hosted Plugin { " ae: " op i cc op ui " n m" om hn /o l lg n, " ye: " od r s- lg n, t p" wr pe sp u i" " eu r" { r q ie : "op sr i sa lr " "" cm oe /n tl e s: * } } Your Project { " ae: " rz j c/ od rs - op sr ts " n m" ca ya ow r pe sc mo e- e t, " ec it o" " t s o u i gc mo e wt W rP es, d s rp in : A e t f sn o ps r ih o dr s " " ie s" " rp it r " l c ne : p o re ay , " eo io is: [ r p st re" { " ye : "o ps r , tp " cm o e" " r " " tp / wa kg s. r" ul : ht :/ pc a it og } ] , " eu r" { r q ie : "pc ai t yt ao hr r lt dp ss pu i "" " wa kg s/ e- n te -e ae -o t -l gn :* , "pc ai t w- ue -a h "" " wa kg s/ ps p rc ce :* , "pc ai t jt ak :* wa kg s/ ep c "" " } , " eu r- e" { r q ie dv : "pc ai t dv lp r :* wa kg s/ ee o e """ } }
  • 23. Demo 2 Using the Custom Installer for WordPress Plugins { " ae: " rz j c/ od rs - op sr ts " n m" ca ya ow r pe sc mo e- e t, " ec it o" " t s o u i gc mo e wt W rP es, d s rp in : A e t f sn o ps r ih o dr s " " ie s" " rp it r " l c ne : p o re ay , " eo io is: [ r p st re" { " ye : "o ps r , tp " cm o e" " r " " tp / wa kg s. r" ul : ht :/ pc a it og } ] , " eu r" { r q ie : "pc ai t yt ao hr r lt dp ss pu i "" " wa kg s/ e- n te -e ae -o t -l gn :* , "pc ai t w- ue -a h "" " wa kg s/ ps p rc ce :* , "pc ai t jt ak :* wa kg s/ ep c "" " } , " eu r- e" { r q ie dv : "pc ai t dv lp r :* wa kg s/ ee o e """ } }
  • 24. Final Demo - WordPress Endgame Goal: Generate the WordPress Skeleton . w/ /p .w/pamn /pw-di/ .w/pcnet /pw-otn/ .w/picue/ /pw-nlds . w-otn/ /pcnet .idxhm /ne.tl .w-ofgpp /pcni.h
  • 25. { " ae: " rz j c/ pf l- e o, nm" cayaow-uldm" " ecito" "ulWrPesIsalDm" dsrpin: Fl odrs ntl eo, " ewrs:[WrPes,"hm" "lgn,"op" , kyod" "odrs" tee, pui" Omh] " oeae:"tp/omhn.o/, hmpg" ht:/opiccm" " ye:"rjc" tp" poet, " ies" "rpitr" lcne: poreay, " uhr" [ atos: { "ae:"rde Jcb -Omh, nm" Baly aos op" "mi " "jcb@opiccm, eal: baosomhn.o" "oeae:"tp/omhn.o" hmpg " ht:/opiccm } ] , " eoiois:[ rpstre" { "ye:"opsr, tp" cmoe" "r" "tp/wakgs.r" ul : ht:/pcaitog } , {
  • 26. Where do we go from here Integration of Source Control (SVN, Git, Hg) Pre/Post install hooks WP-CLI commands
  • 27. Wrapping Up Goals What is Dependency Management Introduction to Composer The composer.json file The composer.lock file Auto-loading Package Repositories Using Composer with WordPress Wrap up Demo
  • 28. Resources: Composer Documentation http://composer.rarst.net/ Trac ticket #23912 - Add composer support to WordPress
  • 29. Thank You! @crazyjaco | github.com/crazyjaco

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