PHP development
PHP development on Exponential: the kernel, classes, autoloads, the command line, Composer, tests and coding standards.
55 pages
- PHP Developers: start here Where PHP developers start - what Exponential is as a PHP code base, your first hour, the rules every PHP change follows, and a map of every page for PHP developers, from the request life cycle and PHP 8.0 compatibility…
- The PHP developer's reading path Every page of the PHP developers section in a recommended reading order, in six stages from orientation to contributing, with the time each stage takes and what you can do after it.
- Exponential for PHP developers What a PHP developer meets in Exponential - a large, mature PHP code base with its own conventions, generated class maps, layered INI settings, persistent objects and a template engine - and how it differs from a…
- A tour of the source tree Every top-level directory and entry point of an Exponential checkout from a PHP developer's point of view - where the kernel, the libraries, the commands, the settings, the tests and the generated files live, and which…
- How a request runs in PHP The path of one web request through Exponential's PHP code - index.php, autoload.php, ezpKernel and ezpKernelWeb, request initialization, URL translation, access checks, the module view, the pagelayout and shutdown…
- Setting up a PHP development checkout A working checkout for PHP work on Exponential - clone, Composer, a SQLite installation, the dev environment name, the development tools in .devtools/, the git hooks, debug settings and the commands you run every day.
- Supported PHP versions: 7.4 to 8.5 Which PHP versions Exponential 6 supports and how each is tested - PHP 7.4 as the oldest (8.0 for Velocity), 8.5 as the newest, the composer.json constraint, the CI jobs per version, the differences on 8.0, and what to…
- Writing code that runs on PHP 8.0 The rules for PHP code that must run on PHP 8.0, the stock PHP of RHEL 9 (and, without support, on 7.4 for the kernel) - the syntax you may not use, how lib/phpcompat.php and function_exists() guards work, arguments…
- PHP 8 migration notes for your code What to change in older PHP code so it runs cleanly on PHP 8.0 to 8.5 (PHP 7.4 usable without support) under Exponential 6 - dynamic properties, count() on non-arrays, null passed to string functions, SPL return types…
- The coding standard (phpcs.xml.dist) How PHP code in Exponential is written and checked - every rule of phpcs.xml.dist with an example, the forbidden functions, the PHP 8.0 compatibility check, how only new violations fail, and the commands that run the…
- Why the code has no type declarations An explanation of one rule that surprises PHP developers - Exponential code is written without scalar, return and property types and without strict_types - what is allowed instead, how types are documented and checked…
- Static analysis with PHPStan How Exponential uses PHPStan - level 1 over kernel/ and lib/ with a baseline of existing findings, what is excluded and why, running it locally and in CI, reading a finding, fixing it instead of baselining it, and…
- Git hooks and make targets The local checks of the Exponential repository - the pre-commit, commit-msg and pre-push hooks in .githooks/, every make target from make check to make lint80-all, the file manifest share/filelist.md5, and the commit…
- CI and reproducing a red check The continuous integration of the Exponential repository from a PHP developer's side - the Quality, PHPUnit, Performance and CI health workflows, what blocks, how a pull request is tested, and the local command for each…
- PHPUnit without a database How Exponential's PHPUnit setup works for PHP developers - phpunit.xml, tests/bootstrap.php, the test suites and excluded groups, PHPUnit 10 to 13 across PHP 8.1 to 8.5, writing a DB-less test for kernel or extension…
- Database and live tests Tests that need a real database or server - the database group and tests/runtests.php with a DSN and a database per test, the MongoDB and live HTTP tests and their environment variables, how to pass passwords safely…
- Class naming and the exp prefix How to name PHP classes, files, functions, settings and tables in Exponential - your own prefix, exp for code contributed to the project, sevenx for 7x, why kernel eZ identifiers are never renamed, file names…
- Autoloads and class maps How Exponential finds PHP classes - the generated class maps for the kernel, the extensions, kernel overrides and tests, every option of bin/php/ezpgenerateautoloads.php, .autoloadignore, Composer's autoloader beside…
- Reading settings with eZINI The eZINI API for PHP developers - instance(), variable(), hasVariable(), variableArray(), group() and hasGroup(), the order of the settings layers, environment variants, arrays and empty resets, defaults for missing…
- SQL with eZDB, safely Writing SQL in Exponential with eZDB - instance(), query() and arrayQuery() with limit and offset, escapeString() for strings and (int) casts for numbers, generateSQLINStatement(), transactions with begin(), commit()…
Documentation license
This documentation is free documentation, licensed under the GNU Free Documentation License 1.3 or later.
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