PHP Performance: Under The Hood

Davey Shafik (24.Jan.2014 at 18:20, 1 hr )
Talk at PHPBenelux Conference 2014 (English - US)

Rating: 4 of 5

PHP Performance: Under The Hood

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Rating: 4 of 5

24.Jan.2014 at 21:35 by Koen Eelen (23 comments)

The talk was very interesting, with a lot of details that you normally would never look into.

I do not know if it has that much practial use, because, just like the speaker mentioned, normally performance problems are more on the DB/API level, and not on the PHP level.

If this talk would have come with one real life story of some optimization that made the difference with the help of those tools, the talk would have been perfect.

It still was very interesting on an intellectual level, just to know a little bit more what is going on "under the hood".
I really liked that insight and found it interesting.

Rating: 5 of 5

25.Jan.2014 at 01:32 by Ike Devolder (191 comments) via api

interesting material. very well explained what what does.

Rating: 5 of 5

25.Jan.2014 at 08:24 by Evan Coury (54 comments)

Great talk, which covered details about PHP that I feel every professional PHP developer should have at least a basic understanding of. The information was presented in a clear, easy to understand way. It was clear Davey put a lot of time, thought, and effort into this presentation, and it paid off.

The only criticism I could possibly provide is maybe to adjust the talk title to avoid any misinterpretation that this talk would be providing concrete optimization ideas that could be immediately applied. The disclaimer at the beginning was helpful to set the correct expectations.

Overall, fantastic talk.

Rating: 4 of 5

25.Jan.2014 at 09:26 by Lucas Aerbeydt (56 comments) via api

Nice basic explanation of the opcodes and other things we usually ignore. I do agree with Koen that in most cases there's no practical use (anymoresince 5.3)

Rating: 4 of 5

25.Jan.2014 at 10:09 by Jurian Sluiman (21 comments)

As said by others, I'd rename the talk to something like PHP Opcode: Under the hood. There was no real use case for realistic optimisations.

However, this concept is something every advanced php developer should know. The information was of a good level, it was well prepared and resulted in a good Q&A afterwards.

Rating: 4 of 5

25.Jan.2014 at 10:10 by Bram Van der Sype (28 comments)

Very interesting talk and great to know what goes on under the bonnet. Brought very lively by Davey.

Rating: 4 of 5

25.Jan.2014 at 11:50 by Petra Dreiskamper (90 comments)

Enjoyed the knowledgeable and entertaining presentation. It might not be practical but it's very nice to know how it all works under the hood.

Rating: 5 of 5

25.Jan.2014 at 16:14 by Gary Hockin (145 comments)

I agree with Evan who stole my verbal remarks and posted them as his own. I would suggest re-titling as realistically there was not so much performance ideas, as an understanding of what happens between writing your text file and the Zend Engine coming into play. Even so, it was interesting and entertaining.

Rating: 5 of 5

25.Jan.2014 at 21:22 by Johan van der Graaff (10 comments)

Awesome stuff. Personal top 3 ranking @ this years event.

Rating: 4 of 5

25.Jan.2014 at 21:31 by Tom Van Looy (71 comments)

I read the PHP internals book two weeks ago so this was a nice rehearsal, with some complementary material! It would be awesome if you found a way for that extra information to get into the internals book.

Rating: 4 of 5

26.Jan.2014 at 13:48 by Anonymous

You're a very competent speaker, even if you don't GROK the material a 100% (thanks Sarah for sidenotes!). The talk was awesome, and it's always a pleasure to see someone explaining php internals really well. Here be dragons!

Rating: 4 of 5

26.Jan.2014 at 14:36 by Bart McLeod (83 comments)

Interesting talk, well explained. I never think about the tokens and opcodes much, but it's good to see people can get excited about them.

Rating: 4 of 5

26.Jan.2014 at 14:50 by Richard van den Brand (60 comments)

Great speaker, interesting talk. Learned a lot from this internals stuff.

Rating: 4 of 5

26.Jan.2014 at 15:01 by Kristian Zondervan (34 comments)

Learned a lot of new stuff. Thank you

Rating: 4 of 5

26.Jan.2014 at 17:28 by Aaron Muylaert (15 comments)

Enjoyed this talk, learned a lot. Perhaps leave the word "Performance" out of the title?

Rating: 5 of 5

26.Jan.2014 at 21:07 by Mike Simonson (64 comments)

Very interesting talk.
I learned a lot on the way opcode and function call works under the hood.

Rating: 4 of 5

27.Jan.2014 at 10:12 by Freek Lijten (65 comments)

Nice talk which gave a good beginner insight into PHP's inner workings. The title was a bit deceptive, but micro-optimisations are barely interesting anyways.

Rating: 4 of 5

27.Jan.2014 at 10:30 by Carl Vuorinen (43 comments)

Very informative talk. Not sure if this stuff is all that useful for my day to day work with PHP, but it's always good to understand how the tools you are using work under the hood.

Rating: 4 of 5

28.Jan.2014 at 20:45 by Tom Bevers (54 comments)

It was an interesting talk.

Rating: 4 of 5

28.Jan.2014 at 21:49 by Tom Cannaerts (36 comments)

Very interesting talk. Nice to know, but in the end maybe not that usefull for the day-to-day programming.

Rating: 4 of 5

28.Jan.2014 at 22:10 by Toon Verwerft (31 comments)

It was nice to see what happens with PHP code internally.

Rating: 4 of 5

29.Jan.2014 at 16:44 by Tom Van Herreweghe (77 comments)

Excellent talk. The subject is not easy to understand, but Davey did a great job explaining everything in a clear and concise way.

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