Example Use a static variable in a function: <?php function add1() { static $number = 0; $number++; return $number;}echo add1();echo "";echo add1();echo "";echo add1(); ?> Try it Yourself » ❮ PHP Keywords Track your...
Giving it no second argument acts as both componentDidMount and componentDidUpdate, as in it runs first on mount and then on every re-render. Giving it an array as second argument with any value inside, eg , [variable1] will only execute the code inside your useEffect hook ONCE on mount...
Note the <template> tag's attributes that are prefixed with a colon (:) character. These define variable values that can be used anywhere within the template's content and which are substituted at build time. Values prefixed with a caret (^) character denote that the build-time value ...
❮ C Keywords Example The static keyword allows a variable to keep its value after a function ends: int add(int myNumber) { static int total = 0; total += myNumber; return total;}int main() { printf("%d\n", add(5)); printf("%d\n", add(2)); printf("%d\n", add(4));...