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PHP sizeof() Function

PHP Array Reference : Return the number of elements in an array

Definition and Usage

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

The sizeof() function is an alias of the count() function.

Syntax

sizeof(array, mode)

Parameter Values

Parameter	Description
array	Required. Specifies the array
mode	Optional. Specifies the mode. Possible values: 0 - Default. Does not count all elements of multidimensional arrays 1 - Counts the array recursively (counts all the elements of multidimensional arrays)

Technical Details

Return Value:	Returns the number of elements in the array
PHP Version:	4+

More Examples

Example

Count the array recursively:

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

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

❮ PHP Array Reference

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