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PHP Internals: coding for the Core by Gabriel Caruso phpCE 2018

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Who am I? ● Backend Developer at Leroy Merlin BRAZIL ● PHP enthusiastic ● PHPSP member ● OSS contributor ● Refactor/Talker/Stickers/ELEPHANTS lover

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Agenda Background- Where is PHP source code? - Building the Core - Coding a new function for PHP - Writing tests for PHP’s Core - Conclusion -

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Where’s the PHP’s Core?

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https://git.php.net

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https://github.com/php/php-src

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How do we “use” the Core?

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Let’s code a function for PHP

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Couple of PHP’s Core stuff before we move on - .h files are the “””Interfaces””” of the .c files - C has macros, that we can understand as helper functions - C compiles the changed code every time we change it - Zend Parse Parameters (ZPP)

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https://github.com/php/php-src/blob/master/CONTRIBUTING.md#php-source-code-directory-structure

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Writing tests for PHP - .phpt files are test files of php-internals - They are written in PHP - They have they on unique structure

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Thank you