Libraries tagged by variable substitution

Laravel chatbot package for Q&A, FAQ and support. Database-driven intents with keyword AND/OR matching, conditional replies, buttons and variable substitution. Works with Laravel 8–12 and integrates with BotMan (web driver) for web/embedded chat widgets.

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Placeholder substitution for Neos CMS: replaces {{variable}} placeholders in rendered content with values configured via Fusion, including a Neos UI richtext editor plugin to insert placeholders.

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Response templates with variables

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Load configuration from JSON and PHP files with environment variable substitution

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Parses formulas, with the possibility of a deferred solution with substitution of user variables

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Inject and interpolate environment variables into strings. Supports substituting default values for an env var, and escapers/formatters using callbacks. Partially supports POSIX compliant shell syntax.

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