PHP Tested
Validate emails and URLs in PHP
Use filter_var to validate email addresses and http(s) URLs, with an allow-list for schemes.
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Remove duplicates from an array
Deduplicate primitives with a Set, or objects by a key or computed value, keeping the first occurrence.
- TypeScript Tested
Typed Object.keys and Object.entries
Helpers that keep key types instead of widening to string, for objects you know the shape of.
- TypeScript Tested
Type-safe event emitter
An event emitter whose event names and payloads are checked by the compiler through a generic map type.
- JavaScript Tested
Truncate a string with an ellipsis
Shorten text to a maximum length without cutting in the middle of a word or a Unicode character.
- PHP Tested
Truncate multibyte strings safely in PHP
Shorten UTF-8 text with mb_ functions so accents and emoji are never cut in half.