phpinfo()
A PHP function displaying environment and configuration information. Useful for diagnosis, it can expose attacker-useful information if published publicly.
Definition and sourcesKNOWLEDGE / FROM A TO Z
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An extension adding or changing application features through the host system's mechanisms. Compatibility depends on versions and APIs. Installation requires assessing the source, permissions and future maintenance.
Definition and sourcesPolyfill
Code providing functionality missing natively from an environment. It needs trusted sourcing and dependency checks; not every platform feature can be reproduced.
Definition and sourcesPostgreSQL
An open-source object-relational database with transactions and extensive SQL support. Performance also depends on schema, indexes, queries and configuration.
Definition and sourcesPotentially unwanted program
Software classified as potentially unwanted, for example due to aggressive ads or bundled additions. This classification does not always mean a virus.
Definition and sourcesPython
A high-level programming language with dynamic typing, used in automation, data analysis and server applications. Readable syntax can aid learning, while correctness and performance still depend on the design.
Definition and sources