psy/psysh

An interactive shell for modern PHP.

v0.12.20 2026-02-11 15:05 UTC

Requires

• php: ^8.0 || ^7.4
• ext-json: *
• ext-tokenizer: *
• nikic/php-parser: ^5.0 || ^4.0
• symfony/console: ^8.0 || ^7.0 || ^6.0 || ^5.0 || ^4.0 || ^3.4
• symfony/var-dumper: ^8.0 || ^7.0 || ^6.0 || ^5.0 || ^4.0 || ^3.4

Requires (Dev)

• bamarni/composer-bin-plugin: ^1.2
• composer/class-map-generator: ^1.6

Suggests

• ext-pcntl: Enabling the PCNTL extension makes PsySH a lot happier :)
• ext-posix: If you have PCNTL, you'll want the POSIX extension as well.
• composer/class-map-generator: Improved tab completion performance with better class discovery.

Conflicts

• symfony/console: 4.4.37 || 5.3.14 || 5.3.15 || 5.4.3 || 5.4.4 || 6.0.3 || 6.0.4

MIT

• Justin Hileman

• console
• shell
• interactive
• REPL

README

PsySH is a runtime developer console, interactive debugger and REPL for PHP. Learn more at psysh.org and in the manual.

PsySH manual

💾 Installation

• 📕 PHP manual
• 🤓 Windows

🖥 Usage

• ✨ Magic variables
• ⏳ Managing history
• 💲 System shell integration
• 🎥 Tutorials & guides
• 🐛 Troubleshooting

📢 Commands

🛠 Configuration

• 🎛 Config options
• 🎨 Themes
• 📄 Sample config file

🔌 Integrations