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Text lesson

count()

Example

Return the total count of elements in an array.

<?php
$cars=array(“Volvo”,“BMW”,“Toyota”);
echo count($cars);
?>

Definition and Usage

The count() function returns the total number of elements in an array.

Syntax

count(array, mode)

Parameter Values

Parameter

Description

array

Required. Specifies the array.

mode

Optional. Specifies the mode. Possible values are:

· 0 – Default. Does not count elements in multidimensional arrays.

· 1 – Counts the array recursively (includes all elements in multidimensional arrays).

Technical Details

Return Value:	Returns the number of elements in the array
PHP Version:	4+
PHP Changelog:	The mode parameter was added in PHP 4.2

More Examples

Example

Count all elements in the array, including those in nested arrays.

<?php
$cars=array
(
  “Volvo”=>array
(
  “XC60”,
  “XC90”
),
  “BMW”=>array
(
  “X3”,
  “X5”
),
  “Toyota”=>array
(
  “Highlander”
)
);

echo “Normal count: “ . count($cars).“<br>”;
echo “Recursive count: “ . count($cars,1);
?>