php array length

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PHP sizeof() Function


Return the number of elements in an array:

echo sizeof($cars);

Definition and Usage

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

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




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 1

Count the array recursively:

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