PHP Count All Array Elements

The count() function is used to count all elements in an array.

Syntax

count(array, mode)

• array : Required. Specifies the array to count the number of elements in.

• mode : Optional. Specifies the mode of the function. It can take the values 0 or 1.

  • 0 (default) - The function returns the number of elements in the array.
  • 1 - The function counts recursively, i.e., if an element inside the array is an array, then the function counts its elements as well.

Example

$fruits = array("apple", "banana", "orange", array("blueberry", "raspberry"), "mango");
echo count($fruits);

Output

5

Explanation

The above example code counts all the elements in the $fruits array. It includes the nested array elements as well.

Use

The count() function can be used to count the number of elements in an array. It can be useful when dealing with arrays of dynamic size.

Important Points

• The count() function returns 0 if the array is empty.
• The mode parameter is optional and its default value is 0.

Summary

• count() function is used to count the number of elements in an array.
• It takes two parameters - the array to count and an optional mode.
• The default mode is 0, which returns the number of elements in the array.
• The function returns 0 if the array is empty.
• It can be useful when dealing with arrays of dynamic size.