Linked Questions

players will either be empty or a comma separated list (or a single value). What is the easiest way to check if it's empty? I'm assuming I can do so as soon as I fetch the $gameresult array into $...

I'd like to check if two arrays are equal. I mean: same size, same index, same values. How can I do that? Using !== as suggested by a user, I expect that the following would print enter if at least ...

Is it possible to get multiple inputs of the same name to post and then access them from PHP? The idea is this: I have a form that allows the entry of an indefinite number of physical addresses along ...

I'm looking to write a function that takes an array of pages/categories (from a flat database result) and generates an array of nested page/category items based on the parent ids. I would like to do ...

Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?

Do you know why <?= count(false) ?> returns 1?

This is mostly superficial but what's the best (faster performing, not personal preference or readability) way to check if an array is empty: count($arr) == 0 empty($arr) $arr === array() Other? My ...

How do I check that a PHP array is not empty? // If $columns array is not empty... foreach ($columns as $column) { echo $column; }

I want to check if array is empty or not, i wrote few lines of code for it if(array() == $myArray){ echo "Array"; } or if(array() === $myArray){ echo "Array"; } I'm confused which one to use, ...

I've var dumped my array: array(4) { [0]=> string(72) " 1 " [1]=> string(57) " 2 " [2]=> string(63) " › " [3]=> string(63) " » " } When I check: empty($myArray); It always says true. Why ...