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is_countable. (PHP 7 >= 7.3.0, PHP 8). is_countable ... function is_countable($var) { return (is_array($var) ... Not all objects are countable directly with count().
Dec 7, 2021 · php7되면서 countable클래스를 구현해야 사용할수 있는걸로 바뀌었나보네요? 구글에서 검색 했을땐 countable클래스 구현해야 한다는 자료는 못봤네요;
(PHP 5 >= 5.1.0, PHP 7, PHP 8). Countable::count ... count() function on an object implementing Countable. ... Even though Countable::count method is called when ...
The interface has exactly one method, Countable::count(), which returns the return value for the count() function. Please see the Array section of the manual ...
Mar 20, 2017 · PHP 7.3. According to the documentation, You can use is_countable function: if (is_countable($a)) ...
Apr 21, 2020 · The is_countable() function is an inbuilt function in PHP which is used to check whether the content of the variable is countable or not.
if (is_array($variable) || $variable instanceof Countable) { // count($variable) can be used }. Thanks to the new is_countable() function, the code shown above ...
Specifies the mode. Possible values: 0 - Default. Does not count all elements of multidimensional arrays; 1 - Counts the array recursively (counts all the ...
Sep 12, 2018 · Looks like the template function is assuming that variable $footer is an array when it's not. Comment, File, Size, Author. #18 · php72-countable ...
Jul 19, 2017 · count() throws a warning since PHP 7.2 in case a scalar or non-countable object is passed. We rely on this behavior in many places so code ...