How check variable is empty in PHP?

How check variable is empty in PHP?

The empty() function checks whether a variable is empty or not. This function returns false if the variable exists and is not empty, otherwise it returns true. The following values evaluates to empty: 0.

How check array is empty or not in PHP laravel?

“laravel check if array is empty” Code Answer

1. //for get() array methods.
2. if($data_array->isEmpty())
3. {dd(‘EMPTY’);}
4. else.
5. {dd(‘NOT EMPTY’);}
6. //for other array.
7. if (count($data_array) > 0)

How do you empty an array in PHP?

Syntax to create an empty array: $emptyArray = []; $emptyArray = array(); $emptyArray = (array) null; While push an element to the array it can use $emptyArray[] = “first”. At this time, $emptyArray contains “first”, with this command and sending “first” to the array which is declared empty at starting.

How to check if you have an empty array?

Here, you’ll see two ways-Method 1: Using empty() function. You can use count() function to get to know if the array is empty or not. An empty array is considered as empty and the function count() returns true if the value is empty. If the array is an empty array, the function will return 0 otherwise it will return number of elements. See

How do I check if an array is empty?

To check whether a Byte array is empty, the simplest way is to use the VBA function StrPtr(). If the Byte array is empty, StrPtr() returns 0; otherwise, it returns a non-zero value (however, it’s not the address to the first element).

How to check if a variable is empty in PHP?

Basically, empty () function can be used to check a variable is empty or not in PHP. PHP empty () function is used to check whether if a variable is empty or not. It will return True if the given variable is empty and false. If it exists or a non-zero value or any value in it, it will return false.

Is my array empty?

To check if an array is empty or not, you can use the .length property. The length property sets or returns the number of elements in an array. By knowing the number of elements in the array, you can tell if it is empty or not. An empty array will have 0 elements inside of it.