PHP phpDay 2019 Verona, Italy May 11th, 2019 Derick Rethans derick@php.net derickr https://derickrethans.nl/talks/deepdive-phpday19 slides/xdebug/title.xml slides/mongodb/me.xml slides/internals/title-agenda.xml slides/internals/title-stages.xml slides/internals/stages.xml slides/internals/title-parsing.xml slides/internals/parse-state-machine.xml slides/internals/parse-tokenization.xml slides/internals/scanner.xml slides/internals/scanner-rules.xml slides/internals/exercise-short-open-tag.xml slides/internals/ast.xml slides/internals/ast1.xml slides/internals/scanner-ast.xml slides/internals/scanner-ast2.xml slides/internals/bytecode0.xml slides/internals/bytecode½.xml slides/internals/bytecode1.xml slides/internals/exercise-strict-by-default.xml slides/internals/jumps.xml slides/internals/jumps-if.xml slides/internals/jumps-if-else.xml slides/internals/rings.xml slides/internals/jumps-for.xml slides/internals/jumps-for-rewritten.xml slides/internals/jumps-while.xml slides/internals/jumps-do-while.xml slides/internals/jumps-foreach.xml slides/internals/jumps-complex.xml slides/internals/loops.xml slides/internals/jumps-complex-dot.xml slides/internals/catch.xml slides/internals/jumps-try-catch.xml slides/internals/deadcode.xml slides/internals/deadcode-vld.xml slides/internals/branches.xml slides/xdebug/vld-path-2-paths.xml slides/xdebug/vld-path-4-code.xml slides/xdebug/vld-path-4-output.xml slides/xdebug/vld-path-3-code.xml slides/xdebug/vld-path-3-output.xml slides/xdebug/vld-path-3-paths.xml slides/internals/recap.xml slides/internals/recap-content.xml slides/mongodb/questions.xml slides/xdebug/phpinternalsnews.xml slides/mongodb/resources.xml