This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?hh | |
// 1. GENERIKÁ PRÍKLAD: | |
// a) PHP7 aj Hack | |
function spracujArrayStringovPHP(array $arr) | |
{ | |
... | |
} | |
spracujArrayStringovPHP(['nejaky string', 'iny string']); //ok | |
spracujArrayStringovPHP(['nejaky string', 'iny string', null, 5, new stdClass]); //ok | |
function spracujArrayStringovHack(array<string> $arr) | |
{ | |
... | |
} | |
spracujArrayStringovHack(['nejaky string', 'iny string']); //ok | |
spracujArrayStringovHack(['nejaky string', 'iny string', null, 5, new stdClass]); // chyba | |
// 2. USE PRÍKLAD: | |
// a) PHP7 aj hack | |
$a = 5; | |
$foo = function() use($a) | |
{ | |
var_dump($a); | |
}; | |
$bar = function() | |
{ | |
var_dump($a); | |
}; | |
// b) iba Hack | |
$baz = () ==> | |
{ | |
var_dump($a); | |
}; | |
$foo(); // vypíše 5 | |
$bar(); // chyba | |
$baz(); // vypíše 5 - arrow funkcia z Hacku nepotrebuje žiadne use |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment