PHP's deg2rad in TypeScript

How to use

Install via yarn add locutus and import: import { deg2rad } from 'locutus/php/math/deg2rad'.

Or with CommonJS: const { deg2rad } = require('locutus/php/math/deg2rad')

Use a bundler that supports tree-shaking so you only ship the functions you actually use. Vite, webpack, Rollup, and Parcel all handle this. For server-side use this is less of a concern.

Examples

These examples are extracted from test cases that automatically verify our functions against their native counterparts.

#	code	expected result
1	deg2rad(45)	0.7853981633974483

Here's what our current TypeScript equivalent to PHP's deg2rad looks like.

TSTypeScript JSJavaScript TSStandalone TS JSStandalone JS

Copy code

export function deg2rad(angle: number): number {
  //      discuss at: https://locutus.io/php/deg2rad/
  // parity verified: PHP 8.3
  //     original by: Enrique Gonzalez
  //     improved by: Thomas Grainger (https://graingert.co.uk)
  //       example 1: deg2rad(45)
  //       returns 1: 0.7853981633974483

  return angle * 0.017453292519943295 // (angle / 180) * Math.PI;
}

export function deg2rad(angle) {
  //      discuss at: https://locutus.io/php/deg2rad/
  // parity verified: PHP 8.3
  //     original by: Enrique Gonzalez
  //     improved by: Thomas Grainger (https://graingert.co.uk)
  //       example 1: deg2rad(45)
  //       returns 1: 0.7853981633974483

  return angle * 0.017453292519943295 // (angle / 180) * Math.PI;
}

Improve this function

Locutus is a community effort following The McDonald's Theory: we ship first iterations, hoping others will improve them. If you see something that could be better, we'd love your contribution.

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