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70 articles
Architecture guidePHP
Size OPcache memory and file limits correctly, deploy safely with validate_timestamps=0, and decide with a benchmark whether the PHP 8.5 JIT is worth enabling.
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TutorialMagento
Set up Varnish in front of Magento 2.4.9: move nginx to 8080, switch the caching application, generate the VCL, configure purges and confirm cache hits.
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TutorialCodeIgniter
Write CodeIgniter 4 feature tests that hit real routes and a migrated, seeded test database, with working PHPUnit examples, assertions and common gotchas.
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Troubleshooting guideMySQL
Why MySQL rejects emoji with error 1366, how to find utf8mb3 columns, convert tables and connections to utf8mb4, and avoid key-length and collation errors.
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Interview preparationInterview questions
Thirty-three PHP OOP interview questions with answers and code run on PHP 8.5: classes, inheritance, interfaces, polymorphism, traits, visibility, magic methods, cloning and SOLID.
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Interview preparationInterview questions
Forty-two WordPress interview questions answered for WordPress 7.1: posts and taxonomies, roles, themes, hooks, the Loop, database tables, security, performance, REST API and blocks.
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Interview preparationInterview questions
Thirty-six CodeIgniter interview questions answered for CodeIgniter 4.7: routing, filters, events, services, helpers, CSRF, XSS, sessions, Spark and what changed from version 3.
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Interview preparationInterview questions
Forty CakePHP interview questions with answers checked against CakePHP 5.4: ORM, associations, middleware, authentication, sessions, caching, routing and what was removed.
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TutorialPHP
Group PHP arrays by a shared key with foreach, a reusable group_by() helper, array_reduce or Laravel collections, plus PHP 8.5 helpers and the key-type traps that merge groups.
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Interview preparationInterview questions
Fifty Magento interview questions answered for Magento Open Source and Adobe Commerce 2.4.9: EAV, ORM, DI, plugins, layout, caching, indexers, APIs, security and what Magento 1 answers changed.
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