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• PEAR PHP Extension and Application Repository
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• Railway Oriented Programming: A Functional Approach to Error Handling
• exercism / PHP

• InfoWorld / PHP language still relevant, advocate insists Jan 16, 2026

• PHP Manual
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      • Type System
        • Система типов

• PHP 8 Quick Scripting Reference. A Pocket Guide to PHP Web Scripting by Mikael Olsson

• codedokode/pasta: Уроки и черновики для изучающих PHP

• Test-Driven Development with PHP 8. Build extensible, reliable, and maintainable enterprise-level applications using TDD and BDD with PHP by Rainier Sarabia - 336 pages

• Хабр / Использование файберов в PHP: разбор от команды СберЗдоровье

• “PHP is dead.” Again?