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Rasmus Lerdorf

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titleconferencedate
25 years of PHPWeAreDevelopers World Congress 20192019-06-06
PHP moves from a templating hack to a high‑performance platform: WordPress memory drops from 140 MB to 15 MB since PHP 5 days, PHP 7 gives a huge speed jump…
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25 Years of PHPphpDay 20192019-05-10
A straight tour of concrete changes and payoff: shows PHP 7.3 optimizer killing unneeded opcodes via DCE/escape analysis optimizations, introduces a monotonic…
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Opening Keynote: PHP in 2018PHPConf.Asia 20182018-09-27
History of PHP leads to concrete 7.3 changes: flexible heredoc, trailing commas in function calls, monotonic timer hrtime, FPM get_status, is_countable…
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Panel Discussion: PHP - The journey so far (and what's ahead)PHPConf.Asia 20182018-09-27
Panel gives concrete takeaways: PHP keeps growing but not because of prettiness; JIT speeds hot CPU‑bound loops (not typical DB‑heavy WordPress requests), and…
Panel on
PHP in 2018.concat() 20182018-03-03
Claims concrete upgrades and numbers: PHP 7.2/7.3 drops memory and doubles or better performance in real sites, sometimes 3–4×; example arrays shrink from…
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Keynote: Coding and Dreaming with PHP for over 20 yearsCodemotion Milan 20152015-11-20
Starts as a tiny 1995 templating tool that auto-maps form fields into variables and grows by accident into the LAMP ecosystem: hacks add a limit clause to…
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Interview to Rasmus Lerdorf from Etsy, Creator of PHPCodemotion Milan 20152015-11-20
Creator of PHP describes 20 years of growth from a personal tool into the web’s dominant language, cites PHP 7 focuses on massive performance improvements and…
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Speeding up the Web with PHP 7Codemotion Milan 20152015-11-20
PHP 7 ships with large practical wins: 2x overall and 3x on WordPress performance and big memory cuts (example WordPress array test drops from ~43MB to ~6MB)…
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Speeding up the Web with PHP 7FrOSCon 20152015-08-22
Claims PHP 7 doubles real‑world throughput — 100%+ performance gains on real apps — while cutting memory and instruction counts; array append memory drops from…
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