Currencies, Computers & PHP

A short lightning talk about money and currencies, tales of supporting a truly global application and the pitfalls you should be aware when handling money in code.

Transcript

1. CURRENCIES,
 COMPUTERS & PHP* @YONBERGMAN
2. @YONBERGMAN YONATAN BERGMAN
4. 26 PRIMARY MARKETS 17+ LANGUAGE 25 CURRENCIES 140 COUNTRIES
5. CURRENCIES,
 COMPUTERS & PHP* @YONBERGMAN
6. 3.50 $
7. 3.50 $ CURRENCY AMOUNT MONEY VALUE
8. $ € £ ¥ ₪ Ũ ₩ ₱ ŧ ฿ $ € £ ¥ ₪ Ũ ₩ ₱ ŧ ฿ $ € £ ¥ ₪ Ũ ₩ ₱ ŧ ฿ CURRENCIES
9. CURRENCY ▸ Currency Code (3 Letter - ISO 4217) ▸ Name ▸ Subunit Name ▸ Exponent ▸ Symbol *
10. CURRENCY ▸ Currency Code (3 Letter - ISO 4217) ▸ Name ▸ Subunit Name ▸ Exponent ▸ Symbol * ▸ USD ▸ US Dollars ▸ Cents ▸ 2 [1/100] ▸ $ DOLLARS
11. CURRENCY ▸ Currency Code (3 Letter - ISO 4217) ▸ Name ▸ Subunit Name ▸ Exponent ▸ Symbol * ▸ ILS ▸ Israeli Shekel ▸ Agorot ▸ 2 [1/100] ▸ ₪ ISRAELI SHEKEL
12. CURRENCY ▸ Currency Code (3 Letter - ISO 4217) ▸ Name ▸ Subunit Name ▸ Exponent ▸ Symbol * ▸ JPY ▸ Japanese Yen ▸ SEN ▸ 0 [1/1] ▸ ¥ JAPANESE YEN
13. CURRENCY ▸ Currency Code (3 Letter - ISO 4217) ▸ Name ▸ Subunit Name ▸ Exponent ▸ Symbol * ▸ IQD ▸ Iraqi Dinar ▸ Fils ▸ 3 [1/1000] ▸ د.ع IRAQI DINAR
14. $ - Dollar € - Euro £ - British Pounds ¥ - Japanese yen ₪ - Israeli new shekel R$ - Brazilian real Ũ - Indian rupee ₩ - North Korean won ₱ - Philippine peso ŧ - Ukrainian hryvnia ฿ - Thai baht CHF - Swiss Franc
15. $ - Dollar € - Euro £ - British Pounds ¥ - Japanese yen ₪ - Israeli new shekel R$ - Brazilian real Ũ - Indian rupee ₩ - North Korean won ₱ - Philippine peso ŧ - Ukrainian hryvnia ฿ - Thai baht CHF - Swiss Franc
16. DEV TIPS ▸ Always save as Integer ▸ Always associate with Currency ▸ Never Compare values with different currencies ▸ Use the associated exponent to format the amount $3.50 = 350 USD $3.50 != £3.50
17. FORMATTING
18. FORMATTING SYMBOL ISOCODE INTERNATIONAL PLURAL $3.50 3.50 USD $3.50 USD 3.50 DOLLARS ACCOUNTING $3.50 ($3.50)
19. $3,500.50 en_US fr_FR 3 500,50 $ LOCALES
20. 360 451 996 007,42 € Bulgarian, Czech, Estonian, Finnish, French, Italian, Lithuanian, Polish, Portuguese, Slovak, Swedish 360.451.996.007,42 € Croatian, Danish, Dutch (Belgium), German (Germany), Greek, Romanian, Slovenian, Spanish € 360.451.996.007,42 Dutch (Netherlands), German (Austria) €360,451,996,007.42 English (UK), Irish, Maltese 360 451 996 007,42 EUR Hungarian €360 451 996 007,42 Latvian € EUROS
21. GITHUB.COM/RUBYMONEY/MONEY
22. “WHEN I WAS YOUNG I THOUGHT THAT MONEY WAS THE MOST IMPORTANT THING IN LIFE; NOW THAT I AM OLD I KNOW THAT IT IS.” Oscar Wilde
23. THANK YOU @YONBERGMAN
24. ₱ Philippine peso= PHP