phpunit.expert
phpunit.expert
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Learn PHPUnit directly from its creator. Sebastian Bergmann offers professional training, workshops, and consulting for your team.
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How PHP executes bytecode
Which compiler built your PHP binary is a performance decision: until PHP 8.5, a PHP built with Clang was up to 44 % slower than one built with GCC, depending on the benchmark. The difference is entirely in how the executor gets from one instruction to th
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So You Received a Security Report. Now What?
A guide for PHP project maintainers, from the PHP Foundation Ecosystem Security Team
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A language has non-functional requirements, too
Nobody decides whether a language is modern. What gets decided is whether you can bet a decade on it: who owns it, how upgrades arrive, how it scales, and whether you can still hire for it in year six. This article holds PHP to the criteria an architectur
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Four out of five
How does PHP in 2026 compare with the current ideas about designing modern languages? This article takes stock of the criteria of closures, objects, pattern matching, generics, and an unconventional answer to the question of extensibility.
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Your composer.lock knows what a carmaker only guesses
A car manufacturer lists an Android botnet in its open source attribution. The entry gives away how the list was made: by scanning instead of by declaring. Why a declared dependency list is worth more than a scanned one, and how the PHPUnit PHAR discloses
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